CATALYST FOR USE IN HYDROTREATMENT, COMPRISING METALS FROM GROUPS VIII AND VIB, AND PREPARATION WITH CITRIC ACID AND C1-C4 DIALKYL SUCCINATE

A catalyst which comprises an amorphous support based on alumina, a C1-C4 dialkyl succinate, citric acid and optionally acetic acid, phosphorus and a hydrodehydrogenating function comprising at least one element from group VIII and at least one element from group VIB; the most intense bands comprised in the Raman spectrum of the catalyst are characteristic of Keggin heteropolyanions (974 and/or 990 cm), C1-C4 dialkyl succinate and citric acid (in particular 785 and 956 cm). Also a process for preparing said catalyst in which a catalytic precursor in the dried, calcined or regenerated state containing the elements of the hydrodehydrogenating function, and optionally phosphorus, is impregnated with an impregnation solution comprising at least one C1-C4 dialkyl succinate, citric acid and optionally at least one compound of phosphorus and optionally acetic acid, and is then dried. Further, the use of said catalyst in any hydrotreatment process. 1. A catalyst comprising an amorphous support based on alumina , at least one C1-C4 dialkyl succinate , citric acid , phosphorus and a hydrodehydrogenating function comprising at least one element from group VIB and at least one element from group VIII , with the Raman spectrum of the catalyst comprising bands at 990 and/or 974 cm , characteristic of at least one Keggin heteropolyanion , the characteristic bands of said succinate and the principal characteristic bands of citric acid.2. A catalyst according to claim 1 , in which the dialkyl succinate is dimethyl succinate and in which the Raman spectrum of the catalyst has principal bands at 990 and/or 974 cmcharacteristic of Keggin heteropolyanions claim 1 , and at 853 cm claim 1 , characteristic of dimethyl succinate and at 785 and 956 cm claim 1 , characteristic of citric acid.3. A catalyst according to claim 1 , also comprising acetic acid the Raman spectrum of which includes a line at 896 cm claim 1 , characteristic of acetic acid.4. A catalyst according to claim 1 , in which ...

Fluid loss reducer for high temperature and high pressure water-based mud application

The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as fluid loss reducer. The subject invention further reveals a process for preparing an oil soluble polymer fluid loss control agent comprising the steps of dissolving at least one polymer in a hydrocarbon oil to form a clear solution or a gel, adding an emulsifier to the solution or the gel, and keeping the mixture under conditions of agitation until a clear creamy mixture is obtained.

Process for hydrotreating a hydrocarbon cut with a boiling point of more than 250° C. in the presence of a sulphide catalyst prepared using a cyclic oligosaccharide

Preparation of a catalyst having at least one metal from group VIII, at least one metal from group VIB and at least one support; in succession: i) one of i1) contacting a pre-catalyst with metal from group VIII, metal from group VIB and support with a cyclic oligosaccharide naming at least 6 α-(1,4)-bonded glucopyranose subunits; i2) contacting support with a solution containing a precursor of metal from group VIII, a precursor of said metal from group VIB and a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; or i3) contacting support with a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits followed by contacting solid derived therefrom with a precursor of metal from group VIII and a precursor of metal from group VIB.

Method for the hydrotreatment of diesel cuts using a catalyst made from an amorphous mesoporous alumina having high connectivity

There is described a hydroprocessing process of at least one gas oil cut having a weighted mean temperature (TMP) between 240° C. and 350° C. using a catalyst comprising at least one metal of the group VIB and/or at least one metal of the group VIII of the periodic classification and a support comprising an amorphous mesoporous alumina having a connectivity (Z) greater than 2.7, the hydroprocessing process operating at a temperature between 250° C. and 400° C., at a total pressure between 2 MPa and 10 MPa with a ratio of hydrogen volume to volume of hydrocarbon-containing feedstock between 100 and 800 litres per litre and at an Hourly Volume Rate (HVR) which is defined by the ratio of the volume flow rate of liquid hydrocarbon-containing feedstock to volume of catalyst fed into the reactor between 1 and 10 h−1.

Rheological agent, preparation methods and uses thereof

The present invention relates to a method to prepare a rheological agent comprising the polymerization of the following monomers: (a) at least one styrene-based monomer, (b) at least one (meth)acrylate-based monomer or butadiene, and (c) optionally a copolymerisable surfactant containing an optionally substituted vinyl function and moieties derived from propylene oxide and/or ethylene oxide, optionally in the presence of a non polymerisable surfactant containing moieties derived from propylene oxide and/or ethylene oxide, and optionally in the presence of another surfactant, wherein at least the copolymerisable surfactant or the non polymerisable surfactant is present during the said polymerization, as well as a rheological agent obtainable by said method, an oil-based drilling fluid containing such a rheological agent, the use of such a rheological agent as a thixotropic agent in an oil-based drilling fluid and a method of drilling using an oil-based drilling fluid containing such a rheological ...

Drilling fluid containing chlorosulfonated alpha-olefin copolymers

This invention is based upon the finding that certain chlorosulfonated -olefin copolymers can be beneficially utilized in drilling fluids that are utilized in drilling subterreanean wells. For instance, it has been unexpectedly found that certain chlorosulfonated -olefin copolymers can be beneficially used as total or partial replacements for organoclays in oil based drilling fluids. The chlorosulfonated a-olefin copolymers that are useful in the practice of this invention are typically chlorosulfonated ethylene/octene copolymers or chlorosulfonated ethylene/butene copolymers. The utilization of chlorosulfonated -olefin copolymers in oil-based drilling fluids offers (1) long service life at high operating temperatures, (2) minimal formation damage, (3) improved filtration behavior, and (4) highly effective performance at low viscosifier levels. Additionally, the chlorosulfonated -olefin copolymers utilized in the practice of this invention are soluble in conventional drilling fluid formulations ...

Fluid loss reducer for high temperature high pressure water based-mud application

The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further reveals a process for preparing an oil soluble polymer fluid loss control agent comprising the steps of dissolving at least one polymer in a hydrocarbon oil to form a clear solution or a gel, adding an emulsifier to the solution or the gel, and keeping the mixture under conditions of agitation until a clear creamy mixture is obtained; wherein said oil soluble polymer fluid loss control agent contains up to 50 percent water based on the weight of the control agent; wherein the emulsifier is present at a level which is within the range of 3 percent to 30 percent based upon the weight of the control agent; and wherein the polymer is prepared from monomers selected from the group consisting of styrene, substituted styrene, alkyl acrylate ...

Hydrodemetallization and hydrodesulphurization catalysts, and use in a single formulation in a concatenated process

The invention describes a catalyst comprising at least one metal from group VIB, at least two metals from group VIII termed the major promoter VIII-1 and co-promoters VIII-i, where i is in the range 2 to 5, and at least one support constituted by a porous refractory oxide, in which the elements from group VIII are present in proportions defined by the atomic ratio [VIII-1/(VIII-1+ . . . +VIII-i)], said ratio being in the range 0.5 to 0.85, as well as a process for the hydrotreatment of heavy hydrocarbon feeds, comprising at least one hydrodemetallization step and at least one hydrodesulphurization step, and employing a catalyst in accordance with the invention with an identical atomic ratio in each of the hydrodemetallization and hydrodesulphurization steps.

CEMENTING MATERIAL COMPRISING POLYMER PARTICLES, PARTICLES TREATING METHOD AND CEMENT SLURRY

The invention relates to a cementing material, to a production method and to a cement slurry comprising polymer particles coated with at least one powdered mineral additive.

PROCESS FOR HYDROTREATING A HYDROCARBON CUT WITH A BOILING POINT OF MORE THAN 250°C IN THE PRESENCE OF A SULPHIDE CATALYST PREPARED USING A CYCLIC OLIGOSACCHARIDE

Preparation of a catalyst having at least one metal from group VIII, at least one metal from group VIB and at least one support; in succession: i) one of i1) contacting a pre-catalyst with metal from group VIII, metal from group VIB and support with a cyclic oligosaccharide naming at least 6 α-(1,4)-bonded glucopyranose subunits; i2) contacting support with a solution containing a precursor of metal from group VIII, a precursor of said metal from group VIB and a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; or i3) contacting support with a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits followed by contacting solid derived therefrom with a precursor of metal from group VIII and a precursor of metal from group VIB.

Rheological Agent, Preparation Methods And Uses Thereof

The present invention relates to a method to prepare a rheological agent comprising the polymerization of the following monomers: (a) at least one styrene-based monomer, (b) at least one (meth)acrylate-based monomer or butadiene, and (c) optionally a copolymerisable surfactant containing an optionally substituted vinyl function and moieties derived from propylene oxide and/or ethylene oxide, optionally in the presence of a non polymerisable surfactant containing moieties derived from propylene oxide and/or ethylene oxide, and optionally in the presence of another surfactant, wherein at least the copolymerisable surfactant or the non polymerisable surfactant is present during the said polymerization, as well as a rheological agent obtainable by said method, an oil-based drilling fluid containing such a rheological agent, the use of such a rheological agent as a thixotropic agent in an oil-based drilling fluid and a method of drilling using an oil-based drilling fluid containing such a rheological agent.

DRILLING FLUID

This invention is based upon the finding that certain chlorosulfonated α-olefin copolymers can be beneficially utilized in drilling fluids that are utilized in drilling subterreanean wells. For instance, it has been unexpectedly found that certain chlorosulfonated α-olefin copolymers can be beneficially used as total or partial replacements for organoclays in oil based drilling fluids. The chlorosulfonated α-olefin copolymers that are useful in the practice of this invention are typically chlorosulfonated ethylene/octene copolymers or chlorosulfonated ethylene/butene copolymers. The chlorosulfonated α-olefin copolymers will contain from 0.2 to 5 weight percent sulfur. The utilization of chlorosulfonated α-olefin copolymers in oil-based drilling fluids offers (1) long service life at high operating temperatures, (2) minimal formation damage, (3) improved filtration behavior, and (4) highly effective performance at low viscosifier levels. Additionally, the chlorosulfonated α-olefin copolymers ...

Method for adding an organic compound to a porous solid in the gaseous phase

The invention relates to a process for adding an organic compound to a porous solid wherein the porous solid and the organic compound in the liquid state are brought together simultaneously, without physical contact between the solid and the organic compound in the liquid state, at a temperature below the boiling point of the organic compound and under pressure and time conditions such that a fraction of said organic compound is transferred gaseously to the porous solid.

Fischer-Tropsch synthesis process comprising a catalyst prepared by addition of an organic compound in gas phase

A Fischer-Tropsch process for synthesizing hydrocarbons, by bringing a catalyst comprising a support and an active phase comprising a Group VIII metal into contact with a feedstock comprising synthesis gas, said catalyst being prepared according to the following steps: a) a porous support is provided; b) an organic compound containing oxygen and/or nitrogen is added to the porous support; c) a step of bringing said porous support into contact with a solution containing a salt of a precursor of the phase comprising a Group VIII metal is carried out; d) the porous support obtained at the end of step c) is dried; characterized in that step b) is carried out by bringing together said porous support and said organic compound under conditions of temperature, pressure and duration such that a fraction of said organic compound is transferred in the gaseous state to the porous support.

Mesoporous catalyst for hydroconversion of residues and method for preparing the latter

The invention relates to the preparation of a catalyst containing: a mainly aluminum oxide calcined support; a hydro-dehydrogenating active phase containing at least one metal of group VIB, the process including: a) a first precipitation step of at least one basic precursor and at least one acidic precursor, b) a heating step, c) a second precipitation step by addition to the suspension of at least one basic precursor and at least one acidic precursor, d) a filtration step; e) a drying step, f) a moulding step, g) a heat treatment step; h) an impregnation step of the hydro-dehydrogenating active phase on the support obtained in the step g).

Catalyst that can be used in hydrotreatment, comprising metals of groups VIII and VIB, and preparation with acetic acid and dialkyl succinate C1-C4

A catalyst usable in hydrotreatment processes: an alumina-based amorphous support, phosphorus, a C1-C4 dialkyl succinate, acetic acid and a hydro-dehydrogenizing function of at least one group VIII element and at least one group VIB element, preferably made up of cobalt and molybdenum, a catalyst whose Raman spectrum comprises the most intense bands characteristic of the Keggin heteropolyanions (974 and/or 990 cm1), C1-C4 dialkyl succinate and acetic acid (896 cm1). Preferably, the dialkyl succinate concerned is dimethyl succinate and its main band is at 853 cm1.

HYDRODEMETALLIZATION AND HYDRODESULPHURIZATION CATALYSTS, AND USE IN A SINGLE FORMULATION IN A CONCATENATED PROCESS

The invention describes a catalyst comprising at least one metal from group VIB, at least two metals from group VIII termed the major promoter VIII-1 and co-promoters VIII-i, where i is in the range 2 to 5, and at least one support constituted by a porous refractory oxide, in which the elements from group VIII are present in proportions defined by the atomic ratio [VIII-1/(VIII-1+ . . . +VIII-i)], said ratio being in the range 0.5 to 0.85, as well as a process for the hydrotreatment of heavy hydrocarbon feeds, comprising at least one hydrodemetallization step and at least one hydrodesulphurization step, and employing a catalyst in accordance with the invention with an identical atomic ratio in each of the hydrodemetallization and hydrodesulphurization steps.

Fluid loss reducer for high temperature high pressure water based-mud application

The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further reveals a method of lubricating a drilling bit during the drilling of a well which comprises circulating a water-based drilling mud in the vicinity of the drilling bit wherein the water-based drilling mud is comprised of an aqueous phase, and wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer.

DRILLING FLUID

This invention is based upon the finding that certain chlorosulfonated α-olefin copolymers can be beneficially utilized in drilling fluids that are utilized in drilling subterreanean wells. For instance, it has been unexpectedly found that certain chlorosulfonated α-olefin copolymers can be beneficially used as total or partial replacements for organoclays in oil based drilling fluids. The subject invention more specifically reveals a process for drilling a well into a subterranean formation which comprises boring a hole into the earth by rotary drilling, wherein a drilling fluid is circulated down a drilling pipe and returned to the surface of the earth through a pipe hole annulus, wherein the oil-based drilling fluid is comprised of (a) an organic liquid; (b) water; (c) an emulsifier; (d) a weighing material; (e) a fluid loss reducing agent; and (f) a chlorosulfonated α-olefin copolymer which is comprised of repeat units that are derived from ethylene and an α-olefin that contains from 4 to about 20 carbon atoms.

Fluid loss reducer for high temperature high pressure water based-mud application

The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as fluid loss reducer. The subject invention further reveals a process for preparing an oil soluble polymer fluid loss control agent comprising the steps of dissolving at least one polymer in a hydrocarbon oil to form a clear solution or a gel, adding an emulsifier to the solution or the gel, and keeping the mixture under conditions of agitation until a clear creamy mixture is obtained.

CATALYST THAT CAN BE USED IN HYDROTREATMENT, COMPRISING METALS OF GROUPS VIII AND VIB, AND PREPARATION WITH ACETIC ACID AND DIALKYL SUCCINATE C1-C4

The invention relates to a catalyst usable in hydrotreatment processes, which comprises an alumina-based amorphous support, phosphorus, a C1-C4 dialkyl succinate, acetic acid and a hydro-dehydrogenizing function comprising at least one group VIII element and at least one group VIB element, preferably made up of cobalt and molybdenum, a catalyst whose Raman spectrum comprises the most intense bands characteristic of the Keggin heteropolyanions (974 and/or 990 cm), C1-C4 dialkyl succinate and acetic acid (896 cm). Preferably, the dialkyl succinate concerned is dimethyl succinate and its main band is at 853 cm. 1. A catalyst comprising an alumina-based amorphous support , phosphorus , at least one C1-C4 dialkyl succinate , acetic acid and a hydro-dehydrogenizing function comprising at least one group VIII element and at least one group VIB element , a catalyst whose Raman spectrum comprises the bands at 990 and/or 974 cmcharacteristic of at least one Keggin heteropolyanion , the bands characteristic of said succinate and the main band at 896 cmcharacteristic of acetic acid.2. A catalyst as claimed in claim 1 , wherein the dialkyl succinate is dimethyl succinate claim 1 , and the catalyst has in its spectrum the main Raman bands at 990 and/or 974 cmcharacteristic of Keggin heteropolyanions claim 1 , 853 cmcharacteristic of dimethyl succinate and 896 cmcharacteristic of acetic acid.3. A catalyst as claimed in claim 1 , wherein the dialkyl succinate is diethyl succinate claim 1 , dibutyl succinate or diisopropyl succinate.4. A catalyst as claimed in claim 1 , comprising a support consisting of alumina.5. A catalyst as claimed in claim 1 , comprising a support consisting of silica-alumina.6. A catalyst as claimed in claim 1 , also comprising boron and/or fluorine.7. A catalyst as claimed in claim 1 , wherein the hydro-dehydrogenizing function consists of cobalt and molybdenum claim 1 , and the support consists of alumina.8. A catalyst as claimed in claim 1 , wherein the ...

Liquid detergent and foam compositions comprising a diester or diamide quaternary ammonium compound

The present invention relates to a liquid detergent composition comprising enzymes and a boron derived enzyme stabilising agent which can be used as a cleaning and softening composition in domestic laundry processes and which further comprises diester or diamide quaternary ammonium compound, preferably a diester quaternary ammonium compound. Preferably the composition has a pH which is between 7 and 10, more preferably between 7.5 and 8.5 when diluted to a 1% solution in distilled water. Whilst the composition may be used directly in the form of a liquid, or may be predissolved in water, in a preferred execution of the present invention the composition is used in the form of a foam or a gel or paste.

Process for the preparation of a catalyst which can be used in hydrotreatment and hydroconversion

A process for the preparation of a catalyst from a catalytic precursor comprising a support based on alumina and/or silica-alumina and/or zeolite and comprising at least one element of group VIB and optionally at least one element of group VIII, by impregnation of said precursor with a solution of a C1-C4 dialkyl succinate. An impregnation step for impregnation of said precursor which is dried, calcined or regenerated, with at least one solution containing at least one carboxylic acid other than acetic acid, then maturing and drying at a temperature less than or equal to 200° C., optionally a heat treatment at a temperature lower than 350° C., followed by an impregnation step with a solution containing at least one C1-C4 dialkyl succinate followed by maturing and drying at a temperature less than 200° C. without subsequent calcination step. The catalyst is used in hydrotreatment and/or hydroconversion.

Catalyst for use in hydroconversion, comprising at least one zeolite and metals from groups VIII and VIB, and preparation of the catalyst

The invention concerns a catalyst containing a support comprising at least one binder and at least one zeolite having at least one series of channels the opening of which is defined by a ring containing 12 oxygen atoms, said catalyst comprising phosphorus, at least one C1-C4 dialkyl succinate, acetic acid and a hydrodehydrogenating function comprising at least one element from group VI B and at least one element from group VIII, the Raman spectrum of the catalyst comprising bands at 990 and/or 974 cm-1, characteristic of at least one Keggin heteropolyanion, the characteristic bands of said succinate and the characteristic principal band of acetic acid at 896 cm-1. The invention also concerns the process for preparing the catalyst and its use in hydroconversion.

Fluid loss reducer for high temperature high pressure water based-mud application

The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further reveals a method of lubricating a drilling bit during the drilling of a well which comprises circulating a water-based drilling mud in the vicinity of the drilling bit wherein the water-based drilling mud is comprised of an aqueous phase, and wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer.

Drilling fluid

This invention is based upon the finding that certain chlorosulfonated alpha-olefin copolymers can be beneficially utilized in drilling fluids that are utilized in drilling subterreanean wells. For instance, it has been unexpectedly found that certain chlorosulfonated alpha-olefin copolymers can be beneficially used as total or partial replacements for organoclays in oil based drilling fluids. The subject invention more specifically reveals a process for drilling a well into a subterranean formation which comprises boring a hole into the earth by rotary drilling, wherein a drilling fluid is circulated down a drilling pipe and returned to the surface of the earth through a pipe hole annulus, wherein the oil-based drilling fluid is comprised of (a) an organic liquid; (b) water; (c) an emulsifier; (d) a weighing material; (e) a fluid loss reducing agent; and (f) a chlorosulfonated alpha-olefin copolymer which is comprised of repeat units that are derived from ethylene and an alpha-olefin that ...

Catalyst for use in hydrotreatment, comprising metals from groups VIII and VIB, and preparation with citric acid and C1-C4 dialkyl succinate

A catalyst which comprises an amorphous support based on alumina, a C1-C4 dialkyl succinate, citric acid and optionally acetic acid, phosphorus and a hydrodehydrogenating function comprising at least one element from group VIII and at least one element from group VIB; the most intense bands comprised in the Raman spectrum of the catalyst are characteristic of Keggin heteropolyanions (974 and/or 990 cm−1), C1-C4 dialkyl succinate and citric acid (in particular 785 and 956 cm−1). Also a process for preparing said catalyst in which a catalytic precursor in the dried, calcined or regenerated state containing the elements of the hydrodehydrogenating function, and optionally phosphorus, is impregnated with an impregnation solution comprising at least one C1-C4 dialkyl succinate, citric acid and optionally at least one compound of phosphorus and optionally acetic acid, and is then dried. Further, the use of said catalyst in any hydrotreatment process.

SPHERICAL MATERIAL BASED ON HETEROPOLYANIONS TRAPPED IN A MESOSTRUCTURED OXIDE MATRIX AND USE THEREOF AS CATALYST IN HYDROCARBON REFINING PROCESSES

Inorganic material having at least two elementary spherical particles, each of said spherical metallic particles: a polyoxometallate with formula (XMOH), where H is hydrogen, O is oxygen, X is phosphorus, silicon, boron, nickel or cobalt and M is one or more vanadium, niobium, tantalum, molybdenum, tungsten, iron, copper, zinc, cobalt and nickel, x is 0, 1, 2 or 4, m is 5, 6, 7, 8, 9, 10, 11, 12 or 18, y is 17 to 72, h is 0 to 12 and q is 1 to 20. 1. An inorganic material constituted by at least two elementary spherical particles , each of said spherical particles comprising metallic particles in the form of a polyoxometallate with formula (XMOH) , where H is a hydrogen atom , O is an oxygen atom , X is an element selected from phosphorus , silicon , boron , nickel and cobalt and M is one or more elements selected from vanadium , niobium , tantalum , molybdenum , tungsten , iron , copper , zinc , cobalt and nickel , x being equal to 0 , 1 , 2 , or 4 , m being equal to 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 or 18 , y being in the range 17 to 72 , h being in the range 0 to 12 and q being in the range 1 to 20 (y , h and q being whole numbers) , said metallic particles being present within a mesostructured matrix based on an oxide of at least one element Y selected from the group constituted by silicon , aluminium , titanium , tungsten , zirconium , gallium , germanium , tin , antimony , lead , vanadium , iron , manganese , hafnium , niobium , tantalum , yttrium , cerium , gadolinium , europium and neodymium and a mixture of at least two of these elements , said matrix having pores with a diameter in the range 1.5 to 50 nm and having amorphous walls with a thickness in the range 1 to 30 nm , said elementary spherical particles having a maximum diameter of 200 microns.2. A material according to claim 1 , in which said mesostructured matrix is constituted by aluminium oxide claim 1 , silicon oxide or a mixture of silicon oxide and aluminium oxide.3. A material according to ...

Mesoporous and macroporous catalyst for hydroconversion of residues and preparation method

Process of preparing hydroconversion catalyst comprising: a calcined, predominantly alumina, oxide support; a hydrogenating-dehydrogenating active phase comprising group VIB metal, the catalyst having: specific surface area ≥100 m2/g, total pore volume ≥0.75 ml/g, median mesopore diameter by volume ≥18 nm, mesopore volume ≥0.65 ml/g, macropore volume 15-40% of total pore volume; comprising: a) dissolving acidic aluminum precursor; b) adjusting pH with basic precursor; c) co-precipitating acidic and basic precursors, at least one containing aluminum, to form suspension of alumina gel with a targeted alumina concentration; d) filtration; e) drying to a powder; f) forming; g) thermal treatment to an alumina oxide support; h) impregnating of the hydrogenating-dehydrogenating active phase on the alumina oxide support. Catalyst prepared by this process and use thereof for hydrotreating or hydroconverting heavy hydrocarbon feedstocks.

Fluid loss reducer for high temperature high pressure water based-mud application

The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further reveals a process for preparing an oil soluble polymer fluid loss control agent comprising the steps of dissolving at least one polymer in a hydrocarbon oil to form a clear solution or a gel, adding an emulsifier to the solution or the gel, and keeping the mixture under conditions of agitation until a clear creamy mixture is obtained; wherein said oil soluble polymer fluid loss control agent contains up to 50 percent water based on the weight of the control agent; wherein the emulsifier is present at a level which is within the range of 3 percent to 30 percent based upon the weight of the control agent; and wherein the polymer is prepared from monomers selected from the group consisting of styrene, substituted styrene, alkyl acrylate, substituted alkyl acrylate, alkyl methacrylate, substituted alkyl methacrylate, acrylonitrile, methacrylonitrile, acrylamide, methacrylamide, N-alkylacrylamide, N-alkylmethacrylamide, isoprene, butadiene, ethylene, vinyl acetate, and vinyl esters of versatic acids containing from 9 to 19 carbon atoms.

PROCESS FOR THE PREPARATION OF A CATALYST WHICH CAN BE USED IN HYDROTREATMENT AND HYDROCONVERSION

A process for the preparation of a catalyst from a catalytic precursor comprising a support based on alumina and/or silica-alumina and/or zeolite and comprising at least one element of group VIB and optionally at least one element of group VIII, by impregnation of said precursor with a solution of a C1-C4 dialkyl succinate. An impregnation step for impregnation of said precursor which is dried, calcined or regenerated, with at least one solution containing at least one carboxylic acid other than acetic acid, then maturing and drying at a temperature less than or equal to 200° C., optionally a heat treatment at a temperature lower than 350° C., followed by an impregnation step with a solution containing at least one C1-C4 dialkyl succinate followed by maturing and drying at a temperature less than 200° C. without subsequent calcination step. The catalyst is used in hydrotreatment and/or hydroconversion. 2. A process according to characterised in that the catalytic precursor is a catalyst which has been regenerated.3. A process according to characterised in that that the catalytic precursor contains all of the elements of groups GVIB and if they are present all of the elements of group V111.4. A process according to characterised in that the dialkyl succinate is dimethyl succinate.5. A process according to characterised in that the carboxylic acid is citric acid.6. A process according to characterised in that steps 1) and/or 2) are performed in the presence of water and/or ethanol.7. A process according to characterised in that the maturing steps are performed at a temperature between 17 and 60° C.8. A process according to characterised in that the drying operation in step 1) is performed at a temperature between 100 and 180° C.9. A process according to characterised in that the drying operation in step 2) is performed at a temperature between 50 and 160° C.10. A process according to characterised in that the solution of step 1) and/or step 2) contains at least one ...

CATALYST FOR USE IN HYDROCONVERSION, COMPRISING AT LEAST ONE ZEOLITE AND METALS FROM GROUPS VIII AND VIB, AND PREPARATION OF THE CATALYST

The invention concerns a catalyst containing a support comprising at least one binder and at least one zeolite having at least one series of channels the opening of which is defined by a ring containing 12 oxygen atoms, said catalyst comprising phosphorus, at least one C1-C4 dialkyl succinate, acetic acid and a hydrodehydrogenating function comprising at least one element from group VIB and at least one element from group VIII, the Raman spectrum of the catalyst comprising bands at 990 and/or 974 cm, characteristic of at least one Keggin heteropolyanion, the characteristic bands of said succinate and the characteristic principal band of acetic acid at 896 cm. 1. A catalyst containing a support comprising at least one binder and at least one zeolite having at least one series of channels the opening of which is defined by a ring containing 12 oxygen atoms , said catalyst comprising phosphorus , at least one C1-C4 dialkyl succinate , acetic acid and a hydrodehydrogenating function comprising at least one element from group VIB and at least one element from group VIII , the Raman spectrum of the catalyst comprising bands at 990 and/or 974 cm , characteristic of at least one Keggin heteropolyanion , the characteristic bands of said succinate and the characteristic principal band of acetic acid at 896 cm.2. A catalyst according to claim 1 , in which the dialkyl succinate is dimethyl succinate and in which the Raman spectrum of the catalyst has principal bands at 990 and/or 974 cmwhich are characteristic of Keggin heteropolyanions claim 1 , and at 853 cm claim 1 , which is characteristic of dimethyl succinate and at 896 cm claim 1 , which is characteristic of acetic acid.3. A catalyst according to claim 1 , in which the dialkyl succinate is diethyl succinate claim 1 , dibutyl succinate or diisopropyl succinate.4. A catalyst according to claim 1 , comprising a support constituted by alumina and zeolite.5. A catalyst according to claim 1 , comprising a support constituted ...

METHOD FOR ADDING AN ORGANIC COMPOUND TO A POROUS SOLID IN THE GASEOUS PHASE

The invention relates to a process for adding an organic compound to a porous solid wherein the porous solid and the organic compound in the liquid state are brought together simultaneously, without physical contact between the solid and the organic compound in the liquid state, at a temperature below the boiling point of the organic compound and under pressure and time conditions such that a fraction of said organic compound is transferred gaseously to the porous solid. 1) A process for adding an organic compound to a porous solid comprising a step a) wherein the porous solid and the organic compound in the liquid state are brought together simultaneously and without physical contact between the solid and the organic compound in the liquid state , at a temperature below the boiling point of the organic compound and under pressure and time conditions such that a fraction of said organic compound is transferred gaseously to the porous solid.2) The process as claimed in claim 1 , wherein step a) is carried out by means of a unit for adding said organic compound comprising a first compartment and a second compartment that are in communication so as to allow the passage of a gaseous fluid between the compartments claim 1 , the first compartment containing the porous solid and the second compartment containing the organic compound in the liquid state.3) The process as claimed in claim 2 , wherein the unit comprises a chamber that includes the first and second compartments claim 2 , the two compartments being in gaseous communication.4) The process as claimed in claim 2 , wherein the unit comprises two chambers that respectively form the first and second compartments claim 2 , the two chambers being in gaseous communication.5) The process as claimed in claim 1 , wherein step a) of bringing the porous solid together with the organic compound in the liquid state is carried out in the presence of a stream of a carrier gas flowing from the second compartment into the first ...

RESIDUE HYDROTREATMENT CATALYST COMPRISING VANADIUM, AND ITS USE IN A RESIDUE HYDROCONVERSION PROCESS

A catalyst containing a group VIB element; a group VIII element; phosphorus in a quantity of 0.1% to 9% by weight of phosphorus pentoxide with respect to the total catalyst mass; vanadium in a quantity of 0.25% to 7% by weight of vanadium pentoxide with respect to the total catalyst mass; a porous refractory oxide support; 2. A catalyst according to claim 1 , in which the vanadium content is in the range 0.5% to 5% by weight of vanadium pentoxide with respect to the total catalyst mass.3. A catalyst according to claim 2 , in which the vanadium content is in the range 0.6% to 4% by weight of vanadium pentoxide with respect to the total catalyst mass.4. A catalyst according to claim 1 , in which the quantity of metal from group VIB is in the range 2% to 20% by weight and the quantity of metal from group VIII is advantageously in the range 0.1% to 5% by weight claim 1 , the contents being expressed as the % of metallic oxide with respect to the total catalyst mass.5. A catalyst according to claim 1 , in which the oxide support comprises alumina in the major proportion.6. A catalyst according to claim 1 , in which the element from group VIB is molybdenum.7. A catalyst according to claim 1 , in which the element from group VIII is nickel or cobalt.8. A catalyst according to claim 1 , in which atomic ratio of vanadium to metals from group VIB is in the range 0.1:1 to 0.5:1.9. A catalyst according to claim 1 , in the partially or completely sulphurized form.10. A catalyst according to claim 1 , in which the median diameter of the mesopores is in the range 5 to 20 nm claim 1 , the total pore volume is 0.3 mL/g or more and the macropore volume is less than 10% of the total pore volume.11. A catalyst according to claim 1 , in which the median diameter of the mesopores is in the range 10 to 36 nm claim 1 , the total pore volume is 0.5 mL/g or more and the macropore volume is more than 5% of the total pore volume.12. A hydrotreatment process using at least one catalyst ...

MESOPOROUS CATALYST FOR HYDROCONVERSION OF RESIDUES AND METHOD FOR PREPARING THE LATTER

The invention relates to the preparation of a catalyst containing: 2. Process according to claim 1 , in which the rate of progress of the first precipitation step a) is between 6 and 12%.3. Process according to claim 1 , in which the rate of progress of the first precipitation step a) is between 7 and 11%.4. Process according to claim 1 , in which the basic precursor is sodium aluminate.5. Process according to claim 1 , in which the acidic precursor is aluminium sulphate.6. Process according to claim 1 , in which in the first precipitation step the aqueous reaction medium is water and the said step is carried out while stirring claim 1 , in the absence of organic additive.7. Mesoporous hydroconversion catalyst capable of being prepared by the process according to .8. Mesoporous hydroconversion catalyst according to claim 7 , having:{'sub': 'BET', 'sup': '2', 'a Sspecific surface greater than 100 m/g,'}a median mesopore volume diameter greater than or equal to 18 nm,a mesopore volume as measured by mercury intrusion porosimetry of between 0.55 ml/g and 0.85 ml/ga total pore volume measured by mercury porosimetry greater than or equal to 0.60 ml/g,a macropore volume less than 10% of the total pore volumean absence of micropores.9. Mesoporous hydrocoversion catalyst according to having a macropore volume less than 5% of the total pore volume.10. Hydroconversion catalyst according to having a median mesopore volume diameter determined by mercury intrusion porosimetry of between 20 and 25 nm.11. Hydroconversion catalyst according to in which the content of metal of group VI B is between 6 and 14 wt. % of trioxide of metal of group VI B with respect to the total mass of the catalyst claim 7 , the content of metal of group VIII is between 0.0 and 5.0 wt. % of the oxide of metal of group VIII with respect to the total mass of the catalyst claim 7 , the content of the element phosphorus is between 0 to 7 wt. % of phosphorus pentoxide with respect to the total mass of the ...

ACTIVE PHASE BIMODAL COMMIXED CATALYST, PROCESS FOR ITS PREPARATION AND USE IN HYDROTREATING RESIDUE

A hydroconversion catalyst with a bimodal pore structure: 1. Procedure for preparing an active phase commixing catalyst , comprising at least one metal from the periodic table group VI B , possibly at least one metal from group VIII of the periodic table , possibly phosphorus and a predominantly aluminium calcined matrix oxide , comprising the following steps:a) a step dissolving in water an acid aluminium precursor chosen from among aluminium sulphate, aluminium chloride and aluminium nitrate at a temperature between 20 and 90° C., a pH between 0.5 and 5, for a period between 2 and 60 minutes;b) a step for adjusting the pH by adding into the suspension obtained in step a) at least one base precursor chosen from among sodium aluminate, potassium aluminate, ammonia, sodium hydroxide, or potassium hydroxide, at a temperature between 20 and 90° C., with a pH between 7 and 10, between 5 and 30 minutes.(c) a step for co-precipitation of the suspension obtained after step b) by adding into the suspension at least one base precursor chosen between sodium aluminate, potassium aluminate, ammonia, sodium hydroxide or potassium hydroxide and at least one acid precursor selected from aluminium sulphate, aluminium chloride, aluminium nitrate, sulphuric acid, hydrochloric acid or nitric acid, at least one base or acid precursor comprising aluminium; the relative flow rate of the acidic and base precursors is chosen so as to obtain a pH of the reaction medium between 7 and 10 and the flow rate of the acidic and base precursors comprising aluminium is set so as to obtain a final alumina concentration in the suspension of between 10 and 38 g/l;d) a step for filtering the suspension obtained after step c) co-precipitation to obtain alumina gel;e) a step for drying the alumina gel obtained in step d) to obtain a powder;f) a step for heat treating the powder resulting from step e) at a temperature between 500 and 1000° C., for between 2 and 10 hrs in the presence or not of an air flow ...

MESOPOROUS AND MACROPOROUS CATALYST FOR HYDROCONVERSION OF RESIDUES AND PREPARATION METHOD

Process of preparing hydroconversion catalyst comprising: 2. Process according to claim 1 , wherein the alumina concentration of the suspension of alumina gel obtained in stage c) is comprised between 13 and 35 g/l.3. Process according to claim 2 , wherein the alumina concentration of the suspension of alumina gel obtained in stage c) is comprised between 15 and 33 g/l.4. Process according to claim 1 , wherein the acidic precursor is aluminium sulphate.5. Process according to claim 1 , wherein the basic precursor is sodium aluminate.6. Process according to in which claim 1 , in stages a) claim 1 , b) claim 1 , c) claim 1 , the aqueous reaction medium is water and said stages are carried out with stirring claim 1 , in the absence of organic additive.7. Process according to claim 1 , wherein the acidic precursor of stage a) is introduced in a quantity corresponding to 0.5 to 4% by weight of the total alumina formed at the end of stage c).8. Mesoporous and macroporous hydroconversion catalyst prepared by the process according to .9. Mesoporous and macroporous hydroconversion catalyst according to having:{'sup': '2', 'a specific surface area Sbet greater than 110 m/g,'}a median mesopore diameter by volume comprised between 18 nm and 26 nm,a median macropore diameter by volume comprised between 100 and 1200 nm inclusive,a mesopore volume as measured with a mercury intrusion porosimeter greater than or equal to 0.70 ml/ga total pore volume measured by mercury porosimetry greater than or equal to 0.85 ml/g,a macropore volume comprised between 17 and 35% of the total pore volume,absence of micropores.10. Mesoporous and macroporous hydroconversion catalyst according to claim 9 , having a macropore volume comprised between 20 and 30% of the total pore volume.11. Mesoporous and macroporous hydroconversion catalyst according to claim 8 , having a median mesopore diameter by volume determined with a mercury intrusion porosimeter comprised between 19 and 25 nm and a median ...

METHOD FOR THE HYDROTREATMENT OF DIESEL CUTS USING A CATALYST MADE FROM AN AMORPHOUS MESOPOROUS ALUMINA HAVING HIGH CONNECTIVITY

There is described a hydroprocessing process of at least one gas oil cut having a weighted mean temperature (TMP) between 240° C. and 350° C. using a catalyst comprising at least one metal of the group VIB and/or at least one metal of the group VIII of the periodic classification and a support comprising an amorphous mesoporous alumina having a connectivity (Z) greater than 2.7, the hydroprocessing process operating at a temperature between 250° C. and 400° C., at a total pressure between 2 MPa and 10 MPa with a ratio of hydrogen volume to volume of hydrocarbon-containing feedstock between 100 and 800 litres per litre and at an Hourly Volume Rate (HVR) which is defined by the ratio of the volume flow rate of liquid hydrocarbon-containing feedstock to volume of catalyst fed into the reactor between 1 and 10 h. 1. Hydroprocessing process of at least one gas oil cut having a weighted mean temperature (TMP) between 240° C. and 350° C. , using a catalyst comprising at least one metal of the group VIB and/or at least one metal of the group VIII of the periodic classification and a support comprising an amorphous mesoporous alumina having a connectivity (Z) greater than 2.7 , the connectivity being established from the nitrogen adsorption/desorption isotherms , the hydroprocessing process operating at a temperature between 250° C. and 400° C. , at a total pressure between 2 MPa and 10 MPa with a ratio of hydrogen volume to volume of hydrocarbon-containing feedstock between 100 and 800 litres per litre and at an Hourly Volume Rate (HVR) which is defined by the ratio of the volume flow rate of liquid hydrocarbon-containing feedstock to volume of catalyst fed into the reactor between 1 and 10 h.2. Process according to claim 1 , wherein the gas oil cut used is selected from the gas oil cuts from direct distillation alone or in admixture with at least one cut from a coking unit claim 1 , or at least one cut from the catalytic cracking or at least one gas oil cut from other ...

MESOPOROUS AND MACROPOROUS CATALYST WITH A CO-MIXED ACTIVE PHASE, THE PREPARATION PROCESS THEREOF AND THE USE THEREOF IN HYDROTREATING OF RESIDUES

Mesoporous and macroporous hydroconversion catalyst: 1. Process for the preparation of a catalyst with a co-mixed active phase , comprising at least one metal of group VIB of the periodic table , optionally at least one metal of group VIII of the periodic table , optionally phosphorus and a predominantly calcined alumina oxide matrix , comprising the following steps:{'sub': 2', '3, 'a) a first step of precipitation, in an aqueous reaction medium, of at least one basic precursor selected from sodium aluminate, potassium aluminate, ammonia, sodium hydroxide and potassium hydroxide and of at least one acidic precursor selected from aluminium sulphate, aluminium chloride, aluminium nitrate, sulphuric acid, hydrochloric acid and nitric acid, in which at least one of the basic or acidic precursors comprises aluminium, the relative flow rate of the acidic and basic precursors is selected so as to obtain a pH of the reaction medium comprised between 8.5 and 10.5 and the flow rate of the acidic and basic precursor or precursors containing aluminium is adjusted so as to obtain a degree of conversion of the first step comprised between 5 and 13%, the degree of conversion being defined as the proportion of alumina formed in AlOequivalent during said first precipitation step relative to the total quantity of alumina formed at the end of step c) of the preparation process, said step taking place at a temperature comprised between 20 and 90° C. and for a duration comprised between 2 minutes and 30 minutes;'}b) a step of heating the suspension at a temperature comprised between 40 and 90° C. for a duration comprised between 7 minutes and 45 minutes,{'sub': 2', '3, 'c) a second step of precipitation of the suspension obtained at the end of the heating step b) by adding, to the suspension, at least one basic precursor selected from sodium aluminate, potassium aluminate, ammonia, sodium hydroxide and potassium hydroxide and at least one acidic precursor selected from aluminium ...

Fischer-tropsch synthesis process comprising a catalyst prepared by addition of an organic compound in gas phase

A Fischer-Tropsch process for synthesizing hydrocarbons, by bringing a catalyst comprising a support and an active phase comprising a Group VIII metal into contact with a feedstock comprising synthesis gas, said catalyst being prepared according to the following steps: a) a porous support is provided; b) an organic compound containing oxygen and/or nitrogen is added to the porous support; c) a step of bringing said porous support into contact with a solution containing a salt of a precursor of the phase comprising a Group VIII metal is carried out; d) the porous support obtained at the end of step c) is dried; characterized in that step b) is carried out by bringing together said porous support and said organic compound under conditions of temperature, pressure and duration such that a fraction of said organic compound is transferred in the gaseous state to the porous support.

RHEOLOGICAL AGENT, PREPARATION METHODS AND USES THEREOF

The present invention relates to a method to prepare a rheological agent comprising the polymerization of the following monomers: (a) at least one styrene-based monomer, (b) at least one (meth)acrylate-based monomer or butadiene, and (c) optionally a copolymerisable surfactant containing an optionally substituted vinyl function and moieties derived from propylene oxide and/or ethylene oxide, optionally in the presence of a non polymerisable surfactant containing moieties derived from propylene oxide and/or ethylene oxide, and optionally in the presence of another surfactant, wherein at least the copolymerisable surfactant or the non polymerisable surfactant is present during the said polymerization, as well as a rheological agent obtainable by said method, an oil-based drilling fluid containing such a rheological agent, the use of such a rheological agent as a thixotropic agent in an oil-based drilling fluid and a method of drilling using an oil-based drilling fluid containing such a rheological agent. 115-. (canceled)17. The method according to claim 16 , wherein the copolymerisable surfactant is chosen among anionic and non-ionic surfactants.18. The method according to claim 16 , wherein the non polymerisable surfactant is chosen among anionic and non-ionic surfactants.19. The method according to claim 16 , wherein the styrene-based monomer is styrene substituted on the phenyl moiety with one or more substituents chosen among (C-C)alkyl claim 16 , (C-C)alkenyl claim 16 , (C-C)cycloalkyl claim 16 , aryl and aryl-(C-C)alkyl.20. The method according to claim 19 , wherein the styrene-based monomer is a (C-C)alkyl-styrene.21. The method according to claim 19 , wherein the styrene-based monomer is chosen among para-tert-butyl-styrene (PTBS) claim 19 , para-methyl-styrene (PMS) and mixtures thereof.23. The method according to claim 22 , wherein monomer (b) is at least one (meth)acrylate-based monomer chosen among isobornyl methacrylate (IBOMA) claim 22 , isobornyl ...

Cementing material comprising polymer particles, method for treating said particles, and cement slurry

The invention relates to a cementing material, a production method, and cement slurry comprising polymer particles coated by at least one powder mineral additive.

Method for adding an organic compound to a porous solid in the gaseous phase

The invention relates to a method for adding an organic compound to a porous solid, in which: the porous solid is brought together simultaneously with the organic compound in the liquid state, without physical contact between the solid and the organic compound in the liquid state, at a temperature lower than the boiling point of the organic compound and under pressure and time conditions such that a fraction of said organic compound is transferred by gaseous process to the porous solid.

HYDROCARBON SWELLING PARTICLES FOR WELLBORE CEMENTING

Hydrocarbon swelling particles for wellbore cementing include a crosslinked polymer comprising vinyl aromatic monomer and/or (meth)acrylic monomer.

Method for preparing a catalyst usable in hydroprocessing and hydroconversion

The invention relates to a method for preparing a catalyst from a catalytic precursor including an alumina and/or silica-alumina and/or zeolite support, and including at least one Group VIB element and optionally at least one Group VIII element, said method involving impregnating said precursor with a solution of a C1-C4 dialkyl succinate. The method comprises a step (step 1) of impregnating said dried, calcined or regenerated precursor with at least one solution containing at least one carboxylic acid other than acetic acid, followed by aging and drying at a temperature of less than or equal to 200°C, optionally followed by a heat treatment at a temperature of less than 350°C, step 1 being followed by impregnation (step 2) with a solution containing at least one C1-C4 dialkyl succinate followed by aging, and drying at a temperature of less than 200°C, without a subsequent calcining step. The catalyst is used in hydroprocessing and/or hydroconversion.

CEMENT MATERIAL COMPRISING PARTICLES OF POLYMERS, METHOD FOR TREATING PARTICLES, AND CEMENT LAYER

CATALYST AND MACROPOROUS CATALYST WITH COMALATED ACTIVE PHASE, PROCESS FOR THE PREPARATION THEREOF AND USE THEREOF IN HYDROTREATMENT OF RESIDUES

L'invention concerne un catalyseur d'hydroconversion mésoporeux et macroporeux comprenant : - une matrice oxyde majoritairement aluminique calcinée ; - une phase active hydro-déshydrogénante comprenant au moins un métal du Groupe VI B de la classification périodique des éléments, éventuellement au moins un métal du groupe VIII de la classification périodique des éléments, éventuellement du phosphore, ladite phase active étant au moins en partie comalaxée au sein de ladite matrice oxyde majoritairement aluminique calcinée, ledit catalyseur présentant une surface spécifique Sbet supérieure à 100 m2/g, un diamètre médian mésoporeux en volume compris entre 12 nm et 25 nm, bornes incluses, un diamètre médian macroporeux en volume compris entre 50 et 250 nm, bornes incluses, un volume mésoporeux tel que mesuré par intrusion au porosimètre à mercure, supérieur ou égal à 0,65 ml/g et un volume poreux total mesuré par porosimétrie au mercure supérieur ou égal à 0,75 ml/g. L'invention concerne également un procédé de préparation de catalyseur adapté à l'hydroconversion/hydrotraitement de résidus par comalaxage de la phase active avec une alumine particulière. L'invention concerne enfin l'utilisation du catalyseur dans des procédés d'hydrotraitement, notamment l'hydrotraitement de charges lourdes. The invention relates to a mesoporous and macroporous hydroconversion catalyst comprising: a predominantly calcined aluminum oxide matrix; - a hydro-dehydrogenating active phase comprising at least one metal from Group VI B of the Periodic Table of the Elements, optionally at least one metal from Group VIII of the Periodic Table of the Elements, optionally phosphorus, said active phase being at least in part comalaxed within said predominantly calcined aluminum oxide matrix, said catalyst having a Sbet specific surface area greater than 100 m2 / g, a mesoporous median diameter in volume between 12 nm and 25 nm, limits included, a macroporous median ...

BIMODAL CATALYST WITH COMALATED ACTIVE PHASE, PROCESS FOR PREPARING THE SAME, AND USE THEREOF IN HYDROTREATMENT OF RESIDUES

MESOPOROUS AND MACROPOROUS CATALYST OF RESIDUAL HYDROCONVERSION AND METHOD OF PREPARATION

Fluid loss reducer for high temperature high pressure water-based mud application

The present invention concerns a water-based drilling mud comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as fluid loss reducer.

Hydrocarbon swelling particles for wellbore cementing

Hydrocarbon swelling particles for wellbore cementing include a crosslinked polymer comprising vinyl aromatic monomer and/or (meth)acrylic monomer.

Cementing material comprising polymer particles, method for treating said particles, and cement slurry

- L'invention concerne un matériau de cimentation, une méthode de fabrication, et un laitier de cimentation comportant des particules de polymère enrobées par au moins un additif minéral en poudre.

CEMENT MATERIAL COMPRISING PARTICLES OF POLYMERS, METHOD FOR TREATING PARTICLES, AND CEMENT LAYER

- L'invention concerne un matériau de cimentation, une méthode de fabrication, et un. laitier de cimentation comportant des particules de polymère enrobées par au moins un additif minéral en poudre. The invention relates to a cementing material, a method of manufacture, and a cementing slag comprising polymer particles coated with at least one mineral powder additive.

Hydrocarbon swelling particles for wellbore cementing

Hydrocarbon swelling particles for wellbore cementing include a crosslinked polymer comprising vinyl aromatic monomer and/or (meth)acrylic monomer.

PROCESS FOR PREPARING A CATALYST FOR USE IN HYDROTREATMENT AND HYDROCONVERSION

A process for the preparation of a catalyst from a catalytic precursor comprising a support based on alumina and/or silica-alumina and/or zeolite and comprising at least one element of group VIB and optionally at least one element of group VIII, by impregnation of said precursor with a solution of a C1-C4 dialkyl succinate. An impregnation step for impregnation of said precursor which is dried, calcined or regenerated, with at least one solution containing at least one carboxylic acid other than acetic acid, then maturing and drying at a temperature less than or equal to 200° C., optionally a heat treatment at a temperature lower than 350° C., followed by an impregnation step with a solution containing at least one C1-C4 dialkyl succinate followed by maturing and drying at a temperature less than 200° C. without subsequent calcination step. The catalyst is used in hydrotreatment and/or hydroconversion.

CATALYST BASED ON AN ESTER OF PENTANEDIOIC ACID OR HEXANEDIOIC ACID AND ITS USE IN A HYDROPROCESSING AND / OR HYDROCRACKING PROCESS

L'invention concerne un catalyseur comprenant un support à base d'alumine ou de silice ou de silice-alumine, au moins un élément du groupe VIII, au moins un élément du groupe VIB et au moins composé de formule (I) ou (II) respectivement : dans laquelle R1, est un radical hydrocarboné comprenant de 1 à 20 atomes de carbone, saturé ou non, linéaire, branché ou cyclique pouvant contenir en outre de l'oxygène, R2, R3 et R4 sont choisis parmi un atome d'hydrogène, un groupement hydroxyle, un groupement carbonyle, et un radical hydrocarboné comprenant de 1 à 20 atomes de carbone, saturé ou non, linéaire, branché ou cyclique pouvant contenir en outre de l'oxygène et R3 et R4 pouvant être reliés par une liaison covalente de manière à former un cycle aromatique ou naphténique. The invention relates to a catalyst comprising a support based on alumina or silica or silica-alumina, at least one element of group VIII, at least one element of group VIB and at least compound of formula (I) or (II ) respectively: in which R1 is a hydrocarbon radical comprising from 1 to 20 carbon atoms, saturated or unsaturated, linear, branched or cyclic which may also contain oxygen, R2, R3 and R4 are chosen from an atom of hydrogen, a hydroxyl group, a carbonyl group, and a hydrocarbon radical comprising from 1 to 20 carbon atoms, saturated or not, linear, branched or cyclic which may also contain oxygen and R3 and R4 may be linked by a bond covalent so as to form an aromatic or naphthenic cycle.

CATALYST BASED ON A BUTENEDIOIC ACID ESTER AND ITS USE IN A HYDROPROCESSING AND / OR HYDROCRACKING PROCESS

L'invention concerne un catalyseur comprenant un support à base d'alumine ou de silice ou de silice-alumine, au moins un élément du groupe VIII, au moins un élément du groupe VIB et au moins un ester d'acide butènedioïque de formule (I) ou (II) respectivement : dans laquelle R1 et R2 sont choisis parmi un radical hydrocarboné comprenant de 1 à 20 atomes de carbone, R3 et R4 sont choisis parmi un atome d'hydrogène et un radical hydrocarboné comprenant de 1 à 20 atomes de carbone et R3 et R4 ne pouvant être reliés par une liaison covalente de manière à former un cycle aromatique. L'invention concerne également le procédé de préparation dudit catalyseur et son utilisation dans un procédé d'hydrotraitement et/ou d'hydrocraquage. The invention relates to a catalyst comprising a support based on alumina or silica or silica-alumina, at least one element from group VIII, at least one element from group VIB and at least one ester of butenedioic acid of formula ( I) or (II) respectively: in which R1 and R2 are chosen from a hydrocarbon radical comprising from 1 to 20 carbon atoms, R3 and R4 are chosen from a hydrogen atom and a hydrocarbon radical comprising from 1 to 20 atoms carbon and R3 and R4 cannot be linked by a covalent bond so as to form an aromatic ring. The invention also relates to the process for the preparation of said catalyst and its use in a hydrotreatment and / or hydrocracking process.

MESOPOROUS CATALYST OF RESIDUAL HYDROCONVERSION AND METHOD OF PREPARATION

New catalyst comprising amorphous support made of alumina, phosphorus, dialkyl succinate, acetic acid and hydro-dehydrogenating function consists of cobalt and molybdenum, useful for the hydrotreatment of hydrocarbon feedstocks

Catalyst (I) comprising amorphous support made of alumina, phosphorus, at least one 1-4C dialkyl succinate, acetic acid and hydro-dehydrogenating function consists of cobalt and molybdenum, where Raman spectrum of the catalyst comprises bands of 990 and/or 974 cm -> 1>with Keggin heteropolyanion characteristics, characteristic bands of succinate and main bands of 896 cm -> 1>of acetic acid characteristics, is new. An independent claim is included for the preparation of (I).

BIMODAL CATALYST WITH COMALATED ACTIVE PHASE, PROCESS FOR PREPARING THE SAME, AND USE THEREOF IN HYDROTREATMENT OF RESIDUES

L'invention concerne un catalyseur d'hydroconversion de structure poreuse bimodale comprenant : - une matrice oxyde majoritairement aluminique calcinée ; - une phase active hydro-déshydrogénante comprenant au moins un métal du Groupe VIII de la classification périodique des éléments, éventuellement au moins un métal du groupe VIB de la classification périodique des éléments, éventuellement du phosphore, ladite phase active étant au moins en partie comalaxée au sein de ladite matrice oxyde majoritairement aluminique calcinée, ledit catalyseur présentant une surface spécifique SBET supérieure à 100 m2/g, un diamètre médian mésoporeux en volume compris entre 12 et 25 nm, bornes incluses, un diamètre médian macroporeux en volume compris entre 250 et 1500 nm, bornes incluses, un volume mésoporeux tel que mesuré par intrusion au porosimètre à mercure, supérieur ou égal à 0,55 ml/g et un volume poreux total mesuré par porosimétrie au mercure supérieur ou égal à 0,70 ml/g. L'invention concerne également un procédé de préparation de catalyseur adapté à l'hydroconversion/hydrotraitement de résidus par comalaxage de la phase active avec une alumine particulière. L'invention concerne enfin l'utilisation du catalyseur dans des procédés d'hydrotraitement, notamment l'hydrotraitement de charges lourdes. The invention relates to a hydroconversion catalyst of bimodal porous structure comprising: a calcined aluminum oxide matrix; a hydro-dehydrogenating active phase comprising at least one Group VIII metal of the periodic table of elements, optionally at least one group VIB metal of the periodic table of the elements, optionally phosphorus, said active phase being at least partially comalaxed; within said calcined predominantly aluminum oxide matrix, said catalyst having an SBET surface area of greater than 100 m 2 / g, a mesoporous median diameter by volume of between 12 and 25 nm, limits included, a median macroporous volume diameter of between 250 ...

MESOPOROUS AND MACROPOROUS CATALYST OF RESIDUAL HYDROCONVERSION AND METHOD OF PREPARATION

La présente invention concerne un procédé de préparation d'un catalyseur d'hydroconversion comprenant : - un support oxyde majoritairement aluminique calciné ; - une phase active hydro-déshydrogénante comprenant au moins un métal du Groupe VIB de la classification périodique des éléments, éventuellement au moins un métal du groupe VIII, éventuellement du phosphore, ledit catalyseur présentant : - une surface spécifique Sbet supérieure ou égale à 100 m2/g, - un volume poreux total supérieur ou égal à 0,75 ml/g, - un diamètre médian mésoporeux en volume supérieur ou égal à 18 nm, - un volume mésoporeux supérieur ou égal à 0,65 ml/g, - un volume macroporeux compris entre 15 et 40 % du volume poreux total ; ledit procédé comprenant au moins les étapes suivantes : a) Mise en solution d'un précurseur acide d'aluminium; b) Ajustement du pH au moyen d'un précurseur basique ; c) Co-précipitation d'un précurseur acide et d'un précurseur basique, au moins un des deux contenant de l'aluminium pour former une suspension de gel d'alumine avec une concentration en alumine ciblée ; d) Filtration ; e) Séchage pour obtenir une poudre; f) Mise en forme ; g) Traitement thermique pour obtenir un support oxyde aluminique ; h) Imprégnation de la phase active hydro-déshydrogénante sur ledit support oxyde aluminique. L'invention concerne également le catalyseur susceptible d'être préparé par le procédé de préparation décrit et l'utilisation de ce catalyseur dans les procédés d'hydrotraitement ou d'hydroconversion de charges hydrocarbonées lourdes. The present invention relates to a process for preparing a hydroconversion catalyst comprising: a calcined aluminum predominantly oxide support; a hydro-dehydrogenating active phase comprising at least one Group VIB metal of the periodic table of elements, optionally at least one Group VIII metal, optionally phosphorus, said catalyst having: a specific surface area Sbet greater than or equal ...

PROCESS FOR HYDROPROCESSING A HYDROCARBON POINT OF BOILING POINT EXCEEDING 250 ° C IN THE PRESENCE OF A SULFIDE CATALYST PREPARED USING A CYCLIC OLIGOSACCHARIDE

METHOD OF ADDING AN ORGANIC COMPOUND TO A POROUS SOLID IN THE GASEOUS PHASE

L'invention concerne un procédé d'addition d'un composé organique à un solide poreux dans lequel on met en présence simultanée le solide poreux avec le composé organique à l'état liquide, sans contact physique entre le solide et le composé organique à l'état liquide, à une température inférieure à la température d'ébullition du composé organique et dans des conditions de pression et de durée telles qu'une fraction dudit composé organique est transférée par voie gazeuse au solide poreux. The invention relates to a process for adding an organic compound to a porous solid in which the porous solid is placed simultaneously with the organic compound in the liquid state, without physical contact between the solid and the organic compound at the liquid state, at a temperature below the boiling temperature of the organic compound and under conditions of pressure and duration such that a fraction of said organic compound is transferred by gas to the porous solid.

HYDROCONVERSION USING CATALYST COMPRISING AT LEAST ONE ZEOLITHE AND METALS OF GROUP VIII AND VIB AND PREPARATION OF CATALYST

L'invention concerne un catalyseur contenant un support comprenant au moins un liant et au moins une zéolite ayant au moins une série de canaux dont l'ouverture est définie par un anneau contenant 12 atomes d'oxygène, ledit catalyseur comprenant du phosphore, au moins un succinate de dialkyle C1-C4, de l'acide acétique et une fonction hydrodéshydrogénante comprenant au moins un élément du groupe VIB et au moins un élément du groupe VIII , catalyseur dont le spectre Raman comprend les bandes à 990 et/ou 974 cm caractéristiques d'au moins un hétéropolyanion de Keggin, les bandes caractéristiques dudit succinate et la bande principale à 896 cm-1 caractéristique de l'acide acétique. L'invention concerne également le procédé de préparation du catalyseur et son utilisation en hydroconversion. The invention relates to a support-containing catalyst comprising at least one binder and at least one zeolite having at least one series of channels whose opening is defined by a ring containing 12 oxygen atoms, said catalyst comprising phosphorus, at least a C1-C4 dialkyl succinate, acetic acid and a hydrodehydrogenating function comprising at least one group VIB element and at least one group VIII element, whose Raman spectrum comprises the characteristic 990 and / or 974 cm bands; at least one Keggin heteropolyanion, the characteristic bands of said succinate and the 896 cm-1 main band characteristic of acetic acid. The invention also relates to the catalyst preparation process and its use in hydroconversion.

CATALYST BASED ON 2-HYDROXY-BUTANEDIOIC ACID OR 2-HYDROXY-BUTANEDIOIC ACID ESTERS AND ITS USE IN A HYDROTREATMENT AND / OR HYDROCRACKING PROCESS

L'invention a pour objet un catalyseur comprenant un support à base d'alumine ou de silice ou de silice-alumine, au moins un élément du groupe VIII, au moins un élément du groupe VIB, et un composé organique de formule (I) dans laquelle : - R1 est un radical hydrocarboné comprenant de 1 à 12 atomes de carbone, saturé ou non, linéaire, branché ou cyclique, - X est choisi parmi un radical hydrocarboné comprenant de 1 à 12 atomes de carbone, saturé ou non, linéaire, branché ou cyclique, un atome d’hydrogène et une fonction alcool. The subject of the invention is a catalyst comprising a support based on alumina or on silica or on silica-alumina, at least one element from group VIII, at least one element from group VIB, and an organic compound of formula (I). in which: - R1 is a hydrocarbon radical comprising from 1 to 12 carbon atoms, saturated or not, linear, branched or cyclic, - X is chosen from a hydrocarbon radical comprising from 1 to 12 carbon atoms, saturated or not, linear , branched or cyclic, a hydrogen atom and an alcohol function.

HYDRODEMETALLATION AND HYDRODESULFURIZATION CATALYSTS AND IMPLEMENTATION IN A SINGLE FORMULATION CHAINING PROCESS

L'invention décrit un catalyseur comprenant au moins un métal du groupe VIB, au moins deux métaux du groupe VIII, appelés promoteur majoritaire VIII-1 et co-promoteurs VIII-i avec i compris entre 2 et 5 et au moins un support constitué d'un oxyde réfractaire poreux, dans lequel les éléments du groupes VIII sont présents dans les proportions définies par le rapport atomique [VIII-1/(VIII-1+,...+VIII-i)], ledit rapport étant compris entre 0,5 et 0,85 ainsi qu'un procédé d'hydrotraitement de charges hydrocarbonées lourdes comprenant au moins une étape d'hydrodémetallation et au moins une étape d'hydrodésulfuration, et mettant en oeuvre un catalyseur selon l'invention de rapport atomique identique dans chacune des étapes d'hydrodémetallation et d'hydrodésulfuration. The invention describes a catalyst comprising at least one Group VIB metal, at least two Group VIII metals, designated majority promoter VIII-1 and co-promoters VIII-i with i ranging from 2 to 5 and at least one carrier consisting of a porous refractory oxide, in which the elements of group VIII are present in proportions defined by the atomic ratio [VIII-1 / (VIII-1 +, ... + VIII-i)], said ratio being between 0 , 5 and 0.85 and a process for hydrotreatment of heavy hydrocarbon feedstocks comprising at least one hydrodemetallization step and at least one hydrodesulfurization step, and using a catalyst according to the invention of identical atomic ratio in each of the hydrodemetallation and hydrodesulfurization steps.

METHOD FOR ADDING AN ORGANIC COMPOUND TO A POROUS SOLID IN A GAS PHASE

L'invention concerne un procédé d'addition d'un composé organique à un solide poreux dans lequel on met en présence simultanée le solide poreux avec le composé organique à l'état liquide, sans contact physique entre le solide et le composé organique à l'état liquide, à une température inférieure à la température d'ébullition du composé organique et dans des conditions de pression et de durée telles qu'une fraction dudit composé organique est transférée par voie gazeuse au solide poreux. The invention relates to a process for adding an organic compound to a porous solid in which the porous solid is simultaneously brought into contact with the organic compound in the liquid state, without physical contact between the solid and the organic compound. liquid state, at a temperature below the boiling point of the organic compound and under pressure and time conditions such that a fraction of said organic compound is transferred gaseously to the porous solid.

New catalyst comprising at least one element of group VIB, optionally at least one element of group VIII, phosphorous and at least one aluminosilicate oxide support, useful for hydrotreating heavy hydrocarbon feedstocks

Catalyst comprising at least one element of group VIB, optionally at least one element of group VIII, phosphorous and at least one aluminosilicate oxide support (prepared by incorporation of a compound of silicon oxide on an alumina matrix) with a silica content of at least 1-10 wt.%, is new. The catalyst has a total pore volume of >= 0.3 ml/g, a macropore volume of, defined as the volume of pores of diameter of greater than 50 nm, = 40 vol.%, mesopores median diameter (pores of diameter of 3.6-50 nm) of 8-36 nm and Brunauer-Emmett-Teller surface area of at least 160 m 2>/g. Independent claims are included for: (1) hydrotreating heavy hydrocarbon feedstocks including atmospheric residues, vacuum residues from direct distillation, deasphalted oils, and/or residues from conversions process such as coking and hydroconversion in fixed-, ebullated- or moving-bed, using catalyst; and (2) a process for hydrotreating residue in a fixed bed comprising at least (a) a hydrodesulfurization step and (b) a hydrodemetallization step, where the steps (a) and (b) are performed using catalyst.

METHOD OF HYDROPROCESSING GAS CUTTINGS USING A CATALYST BASED ON AMORPHOUS AMORPHOUS ALUMINA HAVING HIGH CONNECTIVITY

On décrit un procédé d'hydrotraitement d'au moins une coupe gazole ayant une température moyenne pondérée (TMP) comprise entre 240°C et 350°C utilisant un catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant une alumine mésoporeuse amorphe présentant une connectivité (Z) supérieure à 2,7, ledit procédé d'hydrotraitement opérant à une température comprise entre 250°C et 400°C, à une pression totale comprise entre 2 MPa et 10 MPa avec un ratio volume d'hydrogène par volume de charge hydrocarbonée compris entre 100 et 800 litres par litre et à une Vitesse Volumique Horaire (VVH) définie par le rapport du débit volumique de charge hydrocarbonée liquide par le volume de catalyseur chargé dans le réacteur comprise entre 1 et 10 h-1. A process for the hydrotreatment of at least one gas oil fraction having a weighted average temperature (TMP) of between 240 ° C and 350 ° C using a catalyst comprising at least one Group VIB metal and / or at least one metal of the same is described. group VIII of the Periodic Table and a support comprising an amorphous mesoporous alumina having a connectivity (Z) greater than 2.7, said hydrotreatment process operating at a temperature between 250 ° C and 400 ° C, at a total pressure of between 2 MPa and 10 MPa with a ratio of volume of hydrogen per volume of hydrocarbon feedstock of between 100 and 800 liters per liter and at a Time Volumetric Speed (VVH) defined by the ratio of the volume flow rate of the liquid hydrocarbon feedstock by the volume of catalyst loaded into the reactor between 1 and 10 h -1.

MESOPOROUS CATALYST OF RESIDUAL HYDROCONVERSION AND METHOD OF PREPARATION

L'invention concerne la préparation d'un catalyseur comprenant : - un support oxyde majoritairement aluminique calciné ; - une phase active hydro-déshydrogénante comprenant au moins un métal du Groupe VIB, éventuellement au moins un métal du groupe VIII, éventuellement du phosphore, ledit catalyseur présentant : - une surface spécifique Sbet supérieure à 75 m2/g, - un volume poreux total supérieur ou égal à 0,55 ml/g, - un diamètre médian mésoporeux supérieur ou égal à 16 nm, - un volume mésoporeux supérieur ou égal à 0,50 ml/g, - un volume macroporeux inférieur à 15 % du volume poreux total, ledit procédé comprenant au moins : a) une première étape de précipitation d'au moins un précurseur basique et d'au moins un précurseur acide, au moins un des deux comprenant de l'aluminium, à un pH compris entre 8,5 et 10,5, avec un taux d'avancement de la première étape compris entre 5 et 13 %, à une température comprise entre 20 et 90°C et pendant 2 à 30 minutes ; b) une étape de chauffage, c) une deuxième étape de précipitation par ajout dans la suspension d'au moins un précurseur basique et d'au moins un précurseur acide dans lequel au moins un des précurseurs basique ou acide comprend de l'aluminium, avec un pH compris entre 8,5 et 10,5 et un taux d'avancement de la deuxième étape compris entre 87 et 95 %,, d) une étape de filtration; e) une étape de séchage, f) une étape de mise en forme, g) une étape de traitement thermique; h) une étape d'imprégnation de la phase active hydro-déshydrogénante sur le support obtenu à l'étape g). L'invention concerne enfin le catalyseur mésoporeux obtenu et son utilisation dans les procédés d'hydrotraitement ou d'hydroconversion de charges hydrocarbonées lourdes. The invention relates to the preparation of a catalyst comprising: a calcined aluminum predominantly oxide support; a hydro-dehydrogenating active phase comprising at least one Group VIB metal, optionally at least one ...

CATALYST AND MACROPOROUS CATALYST WITH COMALATED ACTIVE PHASE, PROCESS FOR THE PREPARATION THEREOF AND USE THEREOF IN HYDROTREATMENT OF RESIDUES

L'invention concerne un catalyseur d'hydroconversion mésoporeux et macroporeux comprenant : - une matrice oxyde majoritairement aluminique calcinée ; - une phase active hydro-déshydrogénante comprenant au moins un métal du Groupe VI B de la classification périodique des éléments, éventuellement au moins un métal du groupe VIII de la classification périodique des éléments, éventuellement du phosphore, ladite phase active étant au moins en partie comalaxée au sein de ladite matrice oxyde majoritairement aluminique calcinée, ledit catalyseur présentant une surface spécifique Sbet supérieure à 100 m2/g, un diamètre médian mésoporeux en volume compris entre 12 nm et 25 nm, bornes incluses, un diamètre médian macroporeux en volume compris entre 50 et 250 nm, bornes incluses, un volume mésoporeux tel que mesuré par intrusion au porosimètre à mercure, supérieur ou égal à 0,65 ml/g et un volume poreux total mesuré par porosimétrie au mercure supérieur ou égal à 0,75 ml/g. L'invention concerne également un procédé de préparation de catalyseur adapté à l'hydroconversion/hydrotraitement de résidus par comalaxage de la phase active avec une alumine particulière. L'invention concerne enfin l'utilisation du catalyseur dans des procédés d'hydrotraitement, notamment l'hydrotraitement de charges lourdes. The invention relates to a mesoporous and macroporous hydroconversion catalyst comprising: a predominantly aluminized calcined oxide matrix; a hydro-dehydrogenating active phase comprising at least one Group VI B metal of the periodic table of elements, optionally at least one metal of group VIII of the periodic table of the elements, optionally phosphorus, said active phase being at least partly comalaxée within said calcined predominantly aluminum oxide matrix, said catalyst having a surface area Sbet greater than 100 m 2 / g, a mesoporous median diameter by volume between 12 nm and 25 nm, limits included, a median macroporous volume diameter between ...

PROCESS FOR THE INDIRECT ADDITION OF AN ORGANIC COMPOUND TO A POROUS SOLID.

La présente invention concerne un procédé d'addition d'un composé organique à un solide poreux dans lequel on met en présence, dans une enceinte ouverte ou fermée, un premier lot de solide poreux riche en un composé organique avec un second lot de solide poreux pauvre en ledit composé organique. L'étape de mise en présence des solides poreux est réalisée dans des conditions de température, de pression et de durée telles qu'une fraction dudit composé organique est transférée par voie gazeuse du premier lot de solide poreux au second lot de solide poreux. The present invention relates to a process for adding an organic compound to a porous solid in which an open or closed enclosure is brought into contact with a first batch of porous solid rich in an organic compound with a second batch of porous solid poor in said organic compound. The step of bringing porous solids together is carried out under conditions of temperature, pressure and duration such that a fraction of said organic compound is transferred by gas from the first batch of porous solid to the second batch of porous solid.

PROCESS FOR SULFURING A CATALYST FROM A SECTION OF PREVIOUSLY HYDROTREATED HYDROCARBONS AND A SULFUR COMPOUND.

La présente invention concerne un procédé de sulfuration d'un précurseur catalytique comprenant un support sur lequel sont déposés au moins un métal du groupe VIB et au moins un métal du groupe VIII, dans lequel on met en contact en présence d'hydrogène ledit précurseur avec une coupe hydrocarbonée hydrotraitée comprenant au moins 90% poids de composés hydrocarbures dont la température d'ébullition est comprise entre 30°C et 520 °C à pression atmosphérique et un composé soufré ajouté à ladite coupe hydrocarbonée hydrotraitée, la teneur en soufre ajouté étant comprise entre 0,2 et 6% poids par rapport au poids de la coupe hydrocarbonée hydrotraitée, ledit procédé de sulfuration étant mis en œuvre à une température comprise entre 150 et 400°C, avec une vitesse volumique horaire (VVH) comprise entre 0,1 h-1 et 5 h-1, à une pression totale comprise entre 1 et 15 MPa et avec un rapport volumique entre le débit total d'hydrogène et le débit de la coupe hydrocarbonée hydrotraitée compris entre 30 et 1400 NI/I. The present invention relates to a process for the sulfurization of a catalytic precursor comprising a support on which are deposited at least one metal from group VIB and at least one metal from group VIII, in which said precursor is brought into contact in the presence of hydrogen with a hydrotreated hydrocarbon cut comprising at least 90% by weight of hydrocarbon compounds whose boiling point is between 30 ° C and 520 ° C at atmospheric pressure and a sulfur compound added to said hydrotreated hydrocarbon cut, the added sulfur content being included between 0.2 and 6% by weight relative to the weight of the hydrotreated hydrocarbon cut, said sulphurization process being carried out at a temperature between 150 and 400 ° C, with an hourly volume speed (VVH) of between 0.1 h-1 and 5 h-1, at a total pressure between 1 and 15 MPa and with a volume ratio between the total hydrogen flow rate and the flow rate of the hydrotreated hydrocarbon cut comprised ...

PROCESS FOR HYDROPROCESSING A HYDROCARBON POINT OF BOILING POINT EXCEEDING 250 ° C IN THE PRESENCE OF A SULFIDE CATALYST PREPARED USING A CYCLIC OLIGOSACCHARIDE

On décrit un procédé de préparation d'un catalyseur comprenant au moins un métal du groupe VIII, au moins un métal du groupe VIB et au moins un support, comprenant successivement : i) l'une des étapes choisies parmi : i1) une étape de mise en contact d'un précatalyseur comprenant ledit métal du groupe VIII, ledit métal du groupe VIB et ledit support avec un oligosaccharide cyclique composé d'au moins 6 sous-unités glucopyranose liées en α-(1,4), i2) une étape de mise en contact du support avec une solution contenant un précurseur dudit métal du groupe VIII, un précurseur dudit métal du groupe VIB et un oligosaccharide cyclique composé d'au moins 6 sous-unités glucopyranose liées en α-(1,4), et i3) une première étape de mise en contact dudit support avec un oligosaccharide cyclique composé d'au moins 6 sous-unités glucopyranose liées en α-(1,4) suivie d'une deuxième étape de mise en contact du solide issu de ladite première étape avec un précurseur dudit métal du groupe VIII et un précurseur dudit métal du groupe VIB ; ii) une étape de séchage iii) une étape de traitement thermique.

CATALYST BASED ON A C5 OR C6 ACID ESTER AND ITS USE IN A HYDROPROCESSING AND / OR HYDROCRACKING PROCESS

L'invention a pour objet un catalyseur comprenant un support à base d'alumine ou de silice ou de silice-alumine, au moins un élément du groupe VIII, au moins un élément du groupe VIB et au moins un composé de type ester d'un acide en C5 ou C6 et contenant en outre une fonction chimique de type cétone, les deux fonctions étant distantes de 1 ou 3 atomes de carbone l'une de l'autre. L'invention concerne également le procédé de préparation dudit catalyseur et son utilisation dans un procédé d'hydrotraitement et/ou d'hydrocraquage. The subject of the invention is a catalyst comprising a support based on alumina or silica or silica-alumina, at least one element of group VIII, at least one element of group VIB and at least one compound of ester type. a C5 or C6 acid and also containing a ketone-type chemical function, the two functions being 1 or 3 carbon atoms apart from each other. The invention also relates to the process for the preparation of said catalyst and its use in a hydrotreatment and / or hydrocracking process.

HYDROTERAITE PROCESS FOR TWO STEP HEAVY CUTTINGS USING A CATALYST BASED ON HETEROPOLYANIONS TRAPPED IN AN OXIDE MESOSTRUCTURE CARRIER

PROCESS FOR PREPARING A CATALYST FOR USE IN HYDROTREATMENT AND HYDROCONVERSION

L'invention concerne un procédé de préparation d'un catalyseur à partir d'un précurseur catalytique comprenant un support à base d'alumine et/ou de silice-alumine et/ou de zéolite, et comprenant au moins un élément du groupe VIB et éventuellement au moins un élément du groupe VIII , ledit procédé comprenant l'imprégnation dudit précurseur par une solution d'un succinate de dialkyle C1-C4. Le procédé comporte une étape d'imprégnation (étape 1) dudit précurseur séché, calciné ou régénéré, avec au moins une solution contenant au moins un acide carboxylique autre que l'acide acétique, puis maturation et séchage à une température inférieure ou égale à 200°C, suivi éventuellement d'un traitement thermique à une température inférieure à 350°C, l'étape 1 étant suivie d'une imprégnation (étape 2) avec une solution contenant au moins un succinate de dialkyle C1-C4 suivie d'une maturation, et d'un séchage à une température inférieure à 200°C, sans étape de calcination ultérieure. Le catalyseur est utilisé en hydrotraitement et/ou hydroconversion. The invention relates to a process for preparing a catalyst from a catalytic precursor comprising a support based on alumina and / or silica-alumina and / or zeolite, and comprising at least one element of group VIB and optionally at least one group VIII element, said process comprising impregnating said precursor with a solution of a C1-C4 dialkyl succinate. The method comprises a step of impregnating (step 1) said dried, calcined or regenerated precursor, with at least one solution containing at least one carboxylic acid other than acetic acid, and then maturing and drying at a temperature less than or equal to 200 C., optionally followed by a heat treatment at a temperature below 350 ° C., step 1 being followed by impregnation (step 2) with a solution containing at least one C1-C4 dialkyl succinate followed by ripening, and drying at a temperature below 200 ° C, without subsequent ...

Mesoporous residuum hydroconversion catalyst and method for preparing same

The invention concerns the preparation of a catalyst comprising: - a predominantly calcined aluminium oxide support; - a hydro-dehydrogenating active phase comprising at least one metal from group VIB, optionally at least one metal from group VIII, optionally phosphorus, said catalyst having: - a specific surface area Sbet greater than 75 m2/g, - a total porous volume greater than or equal to 0.55 ml/g, - a mesoporous median diameter greater than or equal to 16 nm, - a mesoporous volume greater than or equal to 0.50 ml/g, - a macroporous volume less than 15% of the total porous volume; said method comprising at least: a) a first step of precipitating at least one basic precursor and at least one acid precursor, at least one of the two comprising aluminium, at a pH of between 8.5 and 10.5, with a rate of progress of the first step of between 5 and 13%, at a temperature of between 20 and 90°C and for 2 to 30 minutes; b) a step of heating, c) a second step of precipitation by adding, into the suspension, at least one basic precursor and at least one acid precursor in which at least one of the basic or acid precursors comprises aluminium, with a pH of between 8.5 and 10.5 and a rate of progress of the second step of between 87 and 95%, d) a filtering step; e) a drying step, f) a shaping step, g) a heat treatment step; h) a step of impregnating the hydro-dehydrogenating active phase on the support obtained in step g). The invention finally concerns the mesoporous catalyst obtained and the use of same in methods for the hydrotreatment or hydroconversion of heavy hydrocarbon feedstocks.

RESIDUAL HYDROTREATMENT CATALYST COMPRISING VANADIUM AND USE THEREOF IN A RESIDUAL HYDROCONVERSION PROCESS

Method for the hydrotreatment of diesel cuts using a catalyst made from an amorphous mesoporous alumina having high connectivity

On décrit un procédé d'hydrotraitement d'au moins une coupe gazole ayant une température moyenne pondérée (TMP) comprise entre 240°C et 350°C utilisant un catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant une alumine mésoporeuse amorphe présentant une connectivité (Z) supérieure à 2,7, ledit procédé d'hydrotraitement opérant à une température comprise entre 250°C et 400°C, à une pression totale comprise entre 2 MPa et 10 MPa avec un ratio volume d'hydrogène par volume de charge hydrocarbonée compris entre 100 et 800 litres par litre et à une Vitesse Volumique Horaire (VVH) définie par le rapport du débit volumique de charge hydrocarbonée liquide par le volume de catalyseur chargé dans le réacteur comprise entre 1 et 10 h-1.

CATALYST BASED ON A C5 OR C6 ACID ESTER AND ITS USE IN A HYDROPROCESSING AND / OR HYDROCRACKING PROCESS

L'invention a pour objet un catalyseur comprenant un support à base d'alumine ou de silice ou de silice-alumine, au moins un élément du groupe VIII, au moins un élément du groupe VIB et au moins un composé de type ester d'un acide en C5 ou C6 et contenant en outre une fonction chimique de type cétone, les deux fonctions étant distantes de 1 ou 3 atomes de carbone l'une de l'autre. L'invention concerne également le procédé de préparation dudit catalyseur et son utilisation dans un procédé d'hydrotraitement et/ou d'hydrocraquage. The subject of the invention is a catalyst comprising a support based on alumina or silica or silica-alumina, at least one element from group VIII, at least one element from group VIB and at least one compound of ester type. a C5 or C6 acid and additionally containing a chemical function of ketone type, the two functions being distant from 1 or 3 carbon atoms from one another. The invention also relates to the process for the preparation of said catalyst and its use in a hydrotreatment and / or hydrocracking process.

New catalyst comprising amorphous support made of alumina, phosphorus, at dialkyl succinate, acetic acid and hydro-dehydrogenating function containing e.g. element of group VIB, useful for the hydrotreatment of hydrocarbon feedstocks

Catalyst (I) comprising amorphous support made of alumina, phosphorus, at least one 1-4C dialkyl succinate, acetic acid and hydro-dehydrogenating function consists of element of group VIB and at least one element of group VIII with the exception of the hydro-dehydrogenating function consists of cobalt and molybdenum, where Raman spectrum of the catalyst comprises bands of 990 and/or 974 cm -1>with Keggin heteropolyanion characteristics, characteristic bands of succinate and main bands of 896 cm -1>of acetic acid characteristics, is new. An independent claim is included for the preparation of (I).

Hydroprocessing catalyst for residues including vanadium and its use in a residue hydroconversion process

L'invention concerne un catalyseur pour l'hydrotraitement de charges hydrocarbonées lourdes comprenant au moins un élément du groupe VIB ; au moins un élément du groupe VIII ; du phosphore, à une teneur comprise entre 0,1 et 9% poids de pentoxyde de phosphore par rapport à la masse totale de catalyseur ; du vanadium, à une teneur comprise entre 0,25 à 7 % poids de pentoxyde de vanadium par rapport à la masse totale de catalyseur ; au moins un support oxyde réfractaire poreux ; ledit catalyseur ayant les caractéristiques suivantes : .circle. un volume poreux total supérieur ou égal à 0,3 ml/g ; .circle. un volume macroporeux, défini comme le volume des pores de diamètre supérieur à 50 nm, inférieur ou égal à 40% du volume poreux total ; .circle. un diamètre médian des mésopores, définis comme les pores de diamètre compris entre 3,6 et 50 nm, compris entre 5 nm et 36 nm ; .circle. une surface BET au moins égale à 120 m2/g. L'invention concerne également un procédé d'hydrotraitement de charges hydrocarbonées lourdes de type résidus, en lit fixe et/ou en lit bouillonnant, utilisant ledit catalyseur. The invention relates to a catalyst for the hydrotreatment of heavy hydrocarbon feeds comprising at least one element from group VIB; at least one element from group VIII; phosphorus, at a content of between 0.1 and 9% by weight of phosphorus pentoxide relative to the total mass of catalyst; vanadium, at a content of between 0.25 and 7% by weight of vanadium pentoxide relative to the total mass of catalyst; at least one porous refractory oxide support; said catalyst having the following characteristics: .circle. a total pore volume greater than or equal to 0.3 ml / g; .circle. a macroporous volume, defined as the volume of the pores with a diameter greater than 50 nm, less than or equal to 40% of the total pore volume; .circle. a median diameter of the mesopores, defined as the pores with a diameter between 3.6 and 50 nm, between 5 nm and 36 nm; .circle. a ...

FISCHER-TROPSCH SYNTHESIS PROCESS COMPRISING A CATALYST PREPARED BY ADDITION OF AN ORGANIC COMPOUND IN THE GASEOUS PHASE

RESIDUAL HYDROTREATMENT CATALYST COMPRISING VANADIUM AND USE THEREOF IN A RESIDUAL HYDROCONVERSION PROCESS

L'invention concerne un catalyseur pour l'hydrotraitement de charges hydrocarbonées lourdes comprenant au moins un élément du groupe VIB ; au moins un élément du groupe VIII ; du phosphore, à une teneur comprise entre 0,1 et 9% poids de pentoxyde de phosphore par rapport à la masse totale de catalyseur ; du vanadium, à une teneur comprise entre 0,25 à 7 % poids de pentoxyde de vanadium par rapport à la masse totale de catalyseur ; au moins un support oxyde réfractaire poreux ; ledit catalyseur ayant les caractéristiques suivantes : ○ un volume poreux total supérieur ou égal à 0,3 ml/g ; ○ un volume macroporeux, défini comme le volume des pores de diamètre supérieur à 50 nm, inférieur ou égal à 40% du volume poreux total ; ○ un diamètre médian des mésopores, définis comme les pores de diamètre compris entre 3,6 et 50 nm, compris entre 5 nm et 36 nm ; ○ une surface BET au moins égale à 120 m2/g. L'invention concerne également un procédé d'hydrotraitement de charges hydrocarbonées lourdes de type résidus, en lit fixe et/ou en lit bouillonnant, utilisant ledit catalyseur. The invention relates to a catalyst for hydrotreatment of heavy hydrocarbon feedstocks comprising at least one group VIB element; at least one element of group VIII; phosphorus, at a content of between 0.1 and 9% by weight of phosphorus pentoxide relative to the total mass of catalyst; vanadium, at a content of between 0.25 to 7% by weight of vanadium pentoxide relative to the total mass of catalyst; at least one porous refractory oxide support; said catalyst having the following characteristics: a total pore volume greater than or equal to 0.3 ml / g; A macroporous volume, defined as the volume of pores with a diameter greater than 50 nm, less than or equal to 40% of the total pore volume; ○ a median diameter of the mesopores, defined as pores with a diameter of between 3.6 and 50 nm, of between 5 nm and 36 nm; ○ a BET surface area of at least 120 m2 / g. The invention also relates to ...

catalyst preparation process usable in hydrotreating and hydroconversion

resumo patente de invenção: "processo de preparo de catalisador utilizável em hidrotratamento e hidroconversão". a presente invenção refere-se a um processo de preparo de um catalisador, a partir de um precursor catalítico, compreendendo um suporte à base de alumina e/ou de sílica-alumina e/ou de zeólita, e compreendendo pelo menos um elemento do grupo vib e eventualmente pelo menos um elemento do grupo viii, esse processo compreendendo a impregnação desse precursor por uma solução de um succinato de dialquila c1-c4. o processo comporta uma etapa de impregnação (etapa 1) desse precursor secado, calcinado ou regenerado, com pelo menos uma solução contendo pelo menos um ácido carboxílico diferente do ácido acético, depois maturação e secagem a uma temperatura inferior ou igual a 200°c, seguido eventualmente de um tratamento térmico a uma temperatura inferior a 350°c, a etapa 1 sendo seguida de uma impregnação (etapa 2) com uma solução contendo pelo menos um succinato de dialquila c1-c4 seguida de uma maturação, e de uma secagem a uma temperatura inferior a 200°c, sem etapa de calcinação posterior. o catalisador é utilizado em hidrotratamento e/ou hidroconversão. patent abstract: "catalyst preparation process usable in hydrotreating and hydroconversion". The present invention relates to a process for preparing a catalyst from a catalytic precursor comprising an alumina and / or silica-alumina and / or zeolite support and comprising at least one member of the group. vib and optionally at least one member of group viii, said process comprising impregnating said precursor with a solution of a C1-C4 dialkyl succinate. the process comprises an impregnation step (step 1) of such dried, calcined or regenerated precursor, with at least one solution containing at least one carboxylic acid other than acetic acid, then maturation and drying at a temperature of 200 ° C or less, optionally followed by a heat treatment at a temperature below 350 ° C, step 1 followed ...

Hydrotreating heavy hydrocarbon cut, useful to produce fuel, comprises hydrodemetallizing the cut followed by hydrodesulfurization of the effluent in presence of hydrodesulfurization catalyst comprising e.g. metal from group VIB

Process for hydrotreating at least one heavy hydrocarbon cut of which at least 1 wt.% of compounds has a boiling point of greater than 500[deg] C, comprises hydrodemetallization of the cut followed by hydrodesulfurization of obtained effluent, where the hydrodesulfurization step is carried out in the presence of hydrodesulfurization catalyst comprises, in the form of oxide, at least one metal from group VIB, at least one metal from group VIII and/or at least one metal from group VB of the periodic table present in the form of at least one polyoxometalate. Process for hydrotreating at least one heavy hydrocarbon cut whose at least 1 wt.% of compounds has a boiling point of greater than 500[deg] C, comprises hydrodemetallization of the cut followed by hydrodesulfurization of obtained effluent, where the hydrodesulfurization step is carried out in the presence of hydrodesulfurization catalyst comprises, in the form of oxide, at least one metal from group VIB, at least one metal from group VIII and/or at least one metal from group VB of the periodic table present in the form of at least one polyoxometalate of formula (H hX xM mO y)(q-), the polyoxometalate is present within an oxide based mesostructured matrix of at least one element Y1 comprising silicon, aluminum, titanium, zirconium, gallium and/or cerium, the matrix has a pore size of 1.5-50 nm and amorphous wall thickness of 1-30 nm, and the hydrodesulfurization catalyst is sulfurized prior to use in the process. X : P, Si, B, Ni or Co; M : one or more element comprising V, Nb, Ta, Mo, W, Ni or Co; h : 0-12; x : 0-4; m : 5-12 or 18; y : 17-72; and q : 1-20.

CATALYST FOR HYDROTREATING RESIDUES WITH A CONTROLLED SILICON CONTENT AND USE THEREOF IN A PROCESS FOR HYDROCONVERSION OF RESIDUES

hydrodemetallation catalysts and hydrodesulfurization catalysts and a process using said catalysts

Method for the hydrotreatment of diesel cuts using a catalyst made from an amorphous mesoporous alumina having high connectivity

The invention concerns a method for the hydrotreatment of at least one diesel cut having a weighted average temperature (TMP) of between 240°C and 350°C using a catalyst comprising at least one metal from group VIB and/or at least one metal from group VIII of the periodic table and a support comprising an amorphous mesoporous alumina having a connectivity (Z) greater than 2.7, said method of hydrotreatment operating at a temperature of between 250°C and 400°C, at a total pressure of between 2 MPa and 10 MPa with a volume ratio of hydrogen to hydrocarbon feedstock of between 100 and 800 litres per litre and at an hourly space velocity (VVH) defined by the ratio of the volume flow rate of liquid hydrocarbon feedstock to the volume of catalyst loaded into the reactor of between 1 and 10 h-1.

Procédé de régénération comprenant une étape de régénération, une étape de réjuvénation et une étape de calcination d'un catalyseur d'hydrocraquage à base de zéolithe et son utilisation dans un procédé d'hydrocraquage

La présente invention concerne un procédé de régénération d'un catalyseur au moins partiellement usé issu d'un procédé d'hydrocraquage, ledit catalyseur au moins partiellement usé étant issu d'un catalyseur frais comprenant au moins un métal du groupe VIIl, au moins un métal du groupe VIB, et un support comprenant au moins une zéolithe, ledit procédé comprend au moins les étapes suivantes : a) une étape de régénération dans laquelle le catalyseur au moins partiellement usé est soumis à un traitement thermique et/ou hydrothermal en présence d'un gaz contenant de l'oxygène à une température comprise entre 350°C et 460°C de manière à obtenir un catalyseur régénéré, b) une étape de réjuvénation du catalyseur régénéré issu de l'étape a) par mise en contact de celui-ci avec un composé organique ou inorganique, acide ou basique, c) une étape de calcination du catalyseur issu de l'étape b) à une température supérieure à 300°C, éventuellement en présence d'eau, pour obtenir un catalyseur réjuvéné calciné.

Procédé de régénération comprenant au moins deux étapes d'un catalyseur d'hydrocraquage à base de zéolithe et son utilisation dans un procédé d'hydrocraquage

La présente invention concerne un procédé de régénération d'un catalyseur au moins partiellement usé issu d'un procédé d'hydrocraquage, ledit catalyseur au moins partiellement usé étant issu d'un catalyseur frais comprenant au moins un métal du groupe VIIl, au moins un métal du groupe VIB, et un support comprenant au moins une zéolithe, ledit procédé comprend au moins les deux étapes suivantes : a) une étape de régénération dans laquelle le catalyseur au moins partiellement usé est soumis à un traitement thermique et/ou hydrothermal en présence d'un gaz contenant de l'oxygène à une température comprise entre 350°C et 460°C de manière à obtenir un catalyseur régénéré, b) une étape de réjuvénation du catalyseur régénéré issu de l'étape a) par mise en contact de celui-ci avec un composé organique ou inorganique, acide ou basique, ledit composé organique ou inorganique, acide ou basique, ne comprenant pas l'élément phosphore, pour obtenir un catalyseur réjuvéné.

Procédé de régénération d'un catalyseur d'hydrocraquage à base de zéolithe et son utilisation dans un procédé d'hydrocraquage

La présente invention concerne un procédé de régénération d'un catalyseur au moins partiellement usé issu d'un procédé d'hydrocraquage, ledit catalyseur au moins partiellement usé étant issu d'un catalyseur frais comprenant au moins un métal du groupe VIIl, au moins un métal du groupe VIB, et un support comprenant au moins une zéolithe, ledit procédé comprend au moins une étape de régénération dans laquelle le catalyseur au moins partiellement usé est soumis à un traitement thermique et/ou hydrothermal en présence d'un gaz contenant de l'oxygène à une température comprise entre 350°C et 460°C de manière à obtenir un catalyseur régénéré, ledit procédé ne comprenant pas d'étape de réjuvénation ultérieure de mise en contact dudit catalyseur régénéré avec au moins un composé organique ou inorganique, acide ou basique.

Procédé de régénération d’un catalyseur d’hydrocraquage à base de zéolithe et son utilisation dans un procédé d’hydrocraquage.

La présente invention concerne un procédé de régénération d’un catalyseur au moins partiellement usé issu d’un procédé d’hydrocraquage, ledit catalyseur au moins partiellement usé étant issu d’un catalyseur frais comprenant au moins un métal du groupe VIIl, au moins un métal du groupe VIB, et un support comprenant au moins une zéolithe, ledit procédé comprend au moins une étape de régénération dans laquelle le catalyseur au moins partiellement usé est soumis à un traitement thermique et/ou hydrothermal en présence d’un gaz contenant de l'oxygène à une température comprise entre 350°C et 460°C de manière à obtenir un catalyseur régénéré, ledit procédé ne comprenant pas d’étape de réjuvénation ultérieure de mise en contact dudit catalyseur régénéré avec au moins un composé organique ou inorganique, acide ou basique. Figure à publier : Figure 1

Procédé de régénération comprenant une étape de régénération, une étape de réjuvénation et une étape de calcination d’un catalyseur d’hydrocraquage à base de zéolithe et son utilisation dans un procédé d’hydrocraquage.

La présente invention concerne un procédé de régénération d’un catalyseur au moins partiellement usé issu d’un procédé d’hydrocraquage, ledit catalyseur au moins partiellement usé étant issu d’un catalyseur frais comprenant au moins un métal du groupe VIIl, au moins un métal du groupe VIB, et un support comprenant au moins une zéolithe, ledit procédé comprend au moins les étapes suivantes : a) une étape de régénération dans laquelle le catalyseur au moins partiellement usé est soumis à un traitement thermique et/ou hydrothermal en présence d’un gaz contenant de l'oxygène à une température comprise entre 350°C et 460°C de manière à obtenir un catalyseur régénéré, b) une étape de réjuvénation du catalyseur régénéré issu de l’étape a) par mise en contact de celui-ci avec un composé organique ou inorganique, acide ou basique, c) une étape de calcination du catalyseur issu de l’étape b) à une température supérieure à 300°C, éventuellement en présence d’eau, pour obtenir un catalyseur réjuvéné calciné.

Procédé de régénération comprenant au moins deux étapes d’un catalyseur d’hydrocraquage à base de zéolithe et son utilisation dans un procédé d’hydrocraquage.

La présente invention concerne un procédé de régénération d’un catalyseur au moins partiellement usé issu d’un procédé d’hydrocraquage, ledit catalyseur au moins partiellement usé étant issu d’un catalyseur frais comprenant au moins un métal du groupe VIIl, au moins un métal du groupe VIB, et un support comprenant au moins une zéolithe, ledit procédé comprend au moins les deux étapes suivantes : a) une étape de régénération dans laquelle le catalyseur au moins partiellement usé est soumis à un traitement thermique et/ou hydrothermal en présence d’un gaz contenant de l'oxygène à une température comprise entre 350°C et 460°C de manière à obtenir un catalyseur régénéré, b) une étape de réjuvénation du catalyseur régénéré issu de l’étape a) par mise en contact de celui-ci avec un composé organique ou inorganique, acide ou basique, ledit composé organique ou inorganique, acide ou basique, ne comprenant pas l’élément phosphore, pour obtenir un catalyseur réjuvéné.

Procede de production de distillats moyens par co-processing de charge minerale avec une charge renouvelable comprenant un enchainement de catalyseur dont un catalyseur a base de zeolithe beta

La présente invention concerne un procédé de production de distillats moyens à partir d'au moins une charge hydrocarbonée fossile en mélange avec au moins une charge renouvelable comprenant une étape d'hydrotraitement desdites charges en présence d'hydrogène et d'au moins un catalyseur d'hydrotraitement et une étape d'hydrocraquage de la charge hydrotraitée, l'étape d'hydrocraquage comprenant au moins Une étape de mise en contact de ladite charge hydrotraitée dans une première zone catalytique avec au moins un premier catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe ayant au moins une série de canaux dont l'ouverture est définie par un anneau à 12 atomes d'oxygène (12MR), et au moins un liant, suivie de la mise en contact dans une deuxième zone catalytique de la totalité de l'effluent issu de l'étape a), sans étape de séparation intermédiaire entre ladite première zone catalytique et ladite deuxième zone catalytique, avec un deuxième catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe de code structural BEA et au moins un liant.

Procede de production de distillats moyens comprenant un enchainement de catalyseur dont un catalyseur a base de zeolithe beta ayant un rapport silice/alumine inferieur a 25

La présente invention concerne un procédé de production de distillats moyens à partir d'au moins une charge hydrocarbonée comprenant une étape d'hydrotraitement desdites charges en présence d'hydrogène et d'au moins un catalyseur d'hydrotraitement et une étape d'hydrocraquage de la charge hydrotraitée, l'étape d'hydrocraquage comprenant au moins une étape de mise en contact de ladite charge hydrotraitée dans une première zone catalytique avec au moins un premier catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe ayant au moins une série de canaux dont l'ouverture est définie par un anneau à 12 atomes d'oxygène (12MR), et au moins un liant, suivie de la mise en contact dans une deuxième zone catalytique de la totalité de l'effluent issu de l'étape a), sans étape de séparation intermédiaire entre ladite première zone catalytique et ladite deuxième zone catalytique, avec un deuxième catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe de code structural BEA ayant un rapport molaire SiO2/Al2O3 inférieur à 25, et au moins un liant.

Procede de production de distillats moyens par co-processing de charge minerale avec une charge renouvelable comprenant un enchainement de catalyseur dont un catalyseur a base de zeolithe beta

La présente invention concerne un procédé de production de distillats moyens à partir d’au moins une charge hydrocarbonée fossile en mélange avec au moins une charge renouvelable comprenant une étape d’hydrotraitement desdites charges en présence d'hydrogène et d’au moins un catalyseur d’hydrotraitement et une étape d’hydrocraquage de la charge hydrotraitée, l’étape d’hydrocraquage comprenant au moins Une étape de mise en contact de ladite charge hydrotraitée dans une première zone catalytique avec au moins un premier catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe ayant au moins une série de canaux dont l'ouverture est définie par un anneau à 12 atomes d'oxygène (12MR), et au moins un liant, suivie de la mise en contact dans une deuxième zone catalytique de la totalité de l’effluent issu de l’étape a), sans étape de séparation intermédiaire entre ladite première zone catalytique et ladite deuxième zone catalytique, avec un deuxième catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe de code structural BEA et au moins un liant.

Procede de production de distillats moyens comprenant un enchainement de catalyseur dont un catalyseur a base de zeolithe beta ayant un rapport silice/alumine inferieur a 25

La présente invention concerne un procédé de production de distillats moyens à partir d’au moins une charge hydrocarbonée comprenant une étape d’hydrotraitement desdites charges en présence d'hydrogène et d’au moins un catalyseur d’hydrotraitement et une étape d’hydrocraquage de la charge hydrotraitée, l’étape d’hydrocraquage comprenant au moins une étape de mise en contact de ladite charge hydrotraitée dans une première zone catalytique avec au moins un premier catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe ayant au moins une série de canaux dont l'ouverture est définie par un anneau à 12 atomes d'oxygène (12MR), et au moins un liant, suivie de la mise en contact dans une deuxième zone catalytique de la totalité de l’effluent issu de l’étape a), sans étape de séparation intermédiaire entre ladite première zone catalytique et ladite deuxième zone catalytique, avec un deuxième catalyseur comprenant au moins un métal du groupe VIB et/ou au moins un métal du groupe VIII de la classification périodique et un support comprenant au moins une zéolithe de code structural BEA ayant un rapport molaire SiO2/Al2O3 inférieur à 25, et au moins un liant.

Catalyseur utilisable en hydrotraitement comprenant des metaux des groupes viii et vib et preparation avec de l'acide citrique et du succinate de dialkyle c1-c4

L'invention concerne un catalyseur qui comprend un support amorphe à base d'alumine, un succinate de dialkyle C1-C4, de l'acide citrique et éventuellement l'acide acétique, du phosphore et une fonction hydro-deshydrogénante comprenant au moins un élément du groupe VIII et au moins un élément du groupe VTB, catalyseur dont le spectre Raman comprend les bandes les plus intenses caractéristiques des hétéropolyanions de Keggin (974 et/ou 990 cm-1), du succinate de dialkyle C1-C4 et de l'acide citrique (notamment 785 et 956 cm-1). L'invention concerne également le procédé de préparation dudit catalyseur dans lequel un précurseur catalytique à l'état séché, calciné ou régénéré contenant les éléments de la fonction hydro-déshydrogénante, éventuellement du phosphore, est imprégné par une solution d'imprégnation comprenant au moins un succinate de dialkyle C1-C4, l'acide citrique, et éventuellement au moins un composé de phosphore et éventuellement l'acide acétique, puis est séché. L'invention concerne également l'utilisation de ce catalyseur dans tout procédé d'hydrotraitement.

Catalyst which can be used in hydrotreatment and which inludes group vii metals and group vib metals,and preparation thereof using citric acid c1-c4 dialkyl succinate

Catalisador, processos de preparo do mesmo e de hidrotratamento de cargas hidrocarbonadas

resumo patente de invenção: "catalisador, utilizável em hidrotratamento, compreendendo metais dos grupos viii e vib e preparo com o ácido cítrico e succinato de dialquila c1-c4". a presente invenção refere-se a um catalisador que compreende um suporte amorfo à base de alumina, um succinato de dialquila c1-c4, o ácido cítrico e eventualmente o ácido acético, o fósforo e uma função hidrodesidrogenante, compreendendo pelo menos um elemento do grupo viii e pelo menos um elemento do grupo vtb, catalisador, cujo espectro raman compreende as faixas as mais intensas características dos heterpopoliânions de keggin (974 e/ou 990 cm-1), o succinato de dialquila c1-c4 e o ácido cítrico (notadamente 785 e 956 cm-1). a invenção se refere também ao processo de preparo desse catalisador no qual um precursor catalítico no estado seco, calcinado ou regenerado contendo os elementos da função hidrodesidrogenante, eventualmente o fósforo, é impregnado por uma solução de impregnação, compreendendo pelo menos um succinato de dialquila c1-c4, o ácido cítrico, e, eventualmente pelo menos um composto de fósforo e eventualmente o ácido acético, depois é secado. a invenção se refere também à utilização desse catalisador em qualquer processo de hidrotratamento.

Procédé de sulfuration d'un catalyseur à partir d'une coupe d'hydrocarbures préalablement hydrotraitée et d'un composé soufré