METHOD OF PRODUCING CARBONYL COMPOUND ACETAL

Plasmonic nanoparticle catalysts and methods for producing long-chain hydrocarbon molecules

A plasmonic nanoparticle catalyst for producing hydrocarbon molecules by light irradiation, which comprises at least one plasmonic provider and at least one catalytic property provider, wherein the plasmonic provider and the catalytic property provider are in contact with each other or have distance less than 200 nm, and molecular composition of the hydrocarbon molecules produced by light irradiation is temperature-dependent. And a method for producing hydrocarbon molecules by light irradiation utilizing the plasmonic nanoparticle catalyst.

CERIUM- AND ZIRCONIUM-BASED MIXED OXIDES

Disclosed is a composition comprising at least a cerium and zirconium based mixed oxide comprising zirconium, cerium, lanthanum and optionally at least one rare earth other than cerium and lanthanum; said mixed oxide exhibiting a high thermal resistance and are in particular capable of maintaining a large specific surface area even in a high temperature environment. Also disclosed is a process for the synthesis of such compositions.

METHODS FOR PREPARING CATALYST SYSTEMS

本发明提供用于制备催化剂体系的方法，包含：提供催化衬底，催化衬底包括具有与多个金属催化纳米颗粒结合的表面的催化剂载体；以及将催化衬底与多个氧化物涂层纳米颗粒物理混合和/或静电组合，以将氧化物涂层纳米颗粒的涂层提供于催化纳米颗粒的表面上。金属催化纳米颗粒可以是：钌、铑、钯、锇、铱和铂、铼、铜、银和金中的一种或多种。物理组合可以包含通过球磨、共混、声学混合或θ组合物组合，并且氧化物涂层纳米颗粒可以包含铝、铈、锆、钛、硅、镁、锌、钡、镧、铁、锶和钙中的一种或多种氧化物。催化剂载体可以包含铝、铈、锆、钛、硅、镁、锌、钡、铁、锶和钙中的一种或多种氧化物。

Verfahren zur Herstellung von Katalysatorsystemen

Verfahren zur Herstellung eines Katalysatorsystems beinhalten das Bereitstellen eines katalytischen Substrats, umfassend einen Katalysatorträger mit einer Oberfläche mit einer Vielzahl daran gebundener metallkatalytischer Nanopartikel, und das physikalische Mischen und/oder elektrostatische Kombinieren des katalytischen Substrats mit einer Vielzahl von Oxidbeschichtungs-Nanopartikeln, um eine Beschichtung von Oxidbeschichtungs-Nanopartikeln auf der Oberfläche der katalytischen Nanopartikel bereitzustellen. Die metallkatalytischen Nanopartikel können eines oder mehrere von Ruthenium, Rhodium, Palladium, Osmium, Iridium und Platin, Rhenium, Kupfer, Silber und Gold sein. Das physikalische Kombinieren kann das Kombinieren durch Kugelfräsen, Mischen, akustisches Mischen oder Theta-Zusammensetzung beinhalten, und die Oxidbeschichtungs-Nanopartikel können ein oder mehrere Oxide von Aluminium, Cer, Zirkon, Titan, Silizium, Magnesium, Zink, Barium, Lanthan, Eisen, Strontium und Calcium beinhalten ...

Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream

The present invention relates to catalyst compositions containing a mixed oxide catalyst of formula (I) or formula (II) as described herein, their preparation, and their use in a process for ammoxidation of various organic compounds to their corresponding nitriles and to the selective catalytic oxidation of excess NH3 present in effluent gas streams to N2 and/or NOx.

СМЕШАННЫЕ ОКСИДЫ НА ОСНОВЕ ЦЕРИЯ И ЦИРКОНИЯ

FIELD: chemistry. SUBSTANCE: invention relates to a composition containing a mixed oxide based on cerium and zirconium. Described is a mixed oxide based on cerium and zirconium for use in processing exhaust gases from internal combustion engines, containing zirconium, cerium, lanthanum and optionally at least one rare-earth element other than cerium and lanthanum, with the following composition: 5–70 % by weight of cerium oxide; 20–80 % by weight of zirconium oxide; 1–15 % by weight of lanthanum oxide and 0–20 % by weight of at least one rare-earth element, other than cerium oxide and lanthanum oxide, wherein said mixed oxide exhibits a specific surface (specific surface determined according to the Brunauer-Emmet-Teller-specific (SBET) method) between 35 and 50 m 2 /g after firing at 1,100 °C for 4 hours in air atmosphere and specific surface (SBET) between 55 and 70 m 2 /g after firing at 1,000 °C for 4 hours in an air atmosphere. EFFECT: mixed oxide exhibits high heat resistance and, in particular, is capable of maintaining a large specific surface even in a high-temperature environment. 10 cl, 10 ex, 2 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК B01J 23/10 B01J 37/03 B01J 35/10 B01J 37/08 B01D 53/94 (11) (13) 2 707 888 C1 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 23/10 (2019.08); B01J 37/03 (2019.08); B01J 35/10 (2019.08); B01J 37/08 (2019.08); B01D 53/94 (2019.08) (21)(22) Заявка: 2018141235, 26.04.2016 26.04.2016 Дата регистрации: 02.12.2019 (73) Патентообладатель(и): РОДИА ОПЕРАСЬОН (FR) (45) Опубликовано: 02.12.2019 Бюл. № 34 (56) Список документов, цитированных в отчете о поиске: US 2010040523 A1, 18.02.2010. US 2014072492 A1, 13.03.2014. RU 2292236 C2, 27.01.2007. RU 2445268 C2, 20.03.2012. RU 25511381 C2, 20.05.2015. (85) Дата начала рассмотрения заявки PCT на национальной фазе: 26.11.2018 (86) Заявка PCT: 2 7 0 7 8 8 8 R U (87) Публикация заявки ...

PROCESS FOR PREPARING A PRE-REFORMING CATALYST HAVING RESISTANCE TO DEACTIVATION BY PASSAGE OF STEAM IN THE ABSENCE OF A REDUCING AGENT, AND A PRE-REFORMING CATALYST

The present invention relates to a process for preparing a pre-reforming catalyst having resistance to deactivation by passage of steam in the absence of a reducing agent comprising ruthenium and an alumina support. Furthermore, the Ru/alumina catalyst according to the present invention becomes much more resistant to deposition of coke with the addition of Ag.

óxidos misturados à base de cério e zircônio

PROCESS FOR PREPARING A PRE-REFORMING CATALYST HAVING RESISTANCE TO DEACTIVATION BY PASSAGE OF STEAM IN THE ABSENCE OF A REDUCING AGENT, AND A PRE-REFORMING CATALYST

Reivindicación 1: Proceso para preparación de un catalizador de pre reformado dotado de resistencia a la desactivación por paso de vapor en ausencia de un agente reductor, caracterizado por comprender las etapas de: preparación de una solución, preferiblemente acuosa, de una sal inorgánica de Ru; impregnación de un soporte de q-alúmina; secado del material impregnado que contiene Ru al aire a temperatura que varía entre 30ºC y 200ºC durante 1 a 24 horas. Reivindicación 9: Catalizador de pre reformado preparado por el proceso definido en cualquiera de las reivindicaciones 1 a 8, caracterizado porque comprende Ru entre 0,1 y 1,0% en peso depositado sobre un soporte de tipo q-alúmina.

비스카보디이미드 및 폴리카보디이미드 및 이의 제조 방법

... 본 개시내용은 카보디이미드를 합성하는 방법을 기재하고, 이 방법은 알킬이소티오우레아를 제공하는 단계, 친황성 시약을 반응 혼합물에 제공하는 단계 및 상기 카보디이미드를 제공하는데 충분한 조건 하에서 반응시키는 단계를 포함하되, 상기 카보디이미드는 폴리카보디이미드 또는 비스카보디이미드이다. 본 개시내용은 추가로 상기 카보디이미드를 단리시키는 방법을 기재한다. 본 개시내용은 추가로 단리된 카보디이미드 조성물을 기재한다.

CATALYST COMPOSITIONS AND PROCESS FOR DIRECT PRODUCTION OF HYDROGEN CYANIDE IN AN ACRYLONITRILE REACTOR FEED STREAM

The present invention relates to catalyst compositions containing a mixed oxide catalyst of formula (I) or formula (II) as described herein, their preparation, and their use in a process for ammoxidation of various organic compounds to their corresponding nitriles and to the selective catalytic oxidation of excess NH3 present in effluent gas streams to N2 and/or NOx.

Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream

The present invention relates to catalyst compositions containing a mixed oxide catalyst of formula (I) or formula (II) as described herein, their preparation, and their use in a process for ammoxidation of various organic compounds to their corresponding nitriles and to the selective catalytic oxidation of excess NH 3 present in effluent gas streams to N 2 and/or NO x .

TRANSITION METAL CO-DOPED CERIUM OXIDE AND METHOD FOR PREPARING THE SAME

Water disinfection system using functional mixture, copper foam catalyst, continuous flow, UV radiation, optical pipe

The present invention is a method of implementing Water Disinfection System employing a Functional Mixture, copper foam catalyst, continuous flow, UV radiation, and optical receiver pipe in order to inactivate broader range of microbial contaminants in drinking water, both for emergency purification kits and larger filtration systems. The Functional Mixture is formed when the portland cement (CaO—SiO 2 —Al 2 O 3 ) and silicon dioxide (SiO 2 ) combination is applied to the amalgamation of porous copper foam (Cu-Foam) and silver nitrate (AgNO 3 ) particles, which react through the silver tree reaction (Cu+2AgNO 3 →2Ag+Cu(NO 3 ) 2 ) after spraying over a perforated mask. The high porosity Functional Mixture is placed in UV transmissive receiver pipe with optical properties. These configurations improve the coverage, efficiency, and effectiveness of reducing broader range of pathogenic microbes in water disinfection systems over prior art. Further optimizations are available for broader range of solar lighting conditions and water flow rates.

PROCESS FOR PREPARING A PRE-REFORMING CATALYST HAVING RESISTANCE TO DEACTIVATION BY PASSAGE OF STEAM IN THE ABSENCE OF A REDUCING AGENT, AND A PRE-REFORMING CATALYST

The present invention relates to a process for preparing a pre-reforming catalyst having resistance to deactivation by passage of steam in the absence of a reducing agent comprising ruthenium and an alumina support. Furthermore, the Ru/alumina catalyst according to the present invention becomes much more resistant to deposition of coke with the addition of Ag.

Plasmonic nanoparticle catalysts and methods for producing long-chain hydrocarbon molecules

A plasmonic nanoparticle catalyst for producing hydrocarbon molecules by light irradiation, which comprises at least one plasmonic provider and at least one catalytic property provider, wherein the plasmonic provider and the catalytic property provider are in contact with each other or have distance less than 200 nm, and molecular composition of the hydrocarbon molecules produced by light irradiation is temperature-dependent. And a method for producing hydrocarbon molecules by light irradiation utilizing the plasmonic nanoparticle catalyst.

Method for catalyzing selective hydrogenation of 1,3-butadiene with PdAgCu/N-C catalyst

세륨- 및 지르코늄-기재 혼합 산화물

... 지르코늄, 세륨, 란탄, 및 선택적으로 세륨 및 란탄 이외의 적어도 1종의 희토류를 포함하고 높은 내열성을 나타내며 구체적으로 심지어 높은 온도 환경에서도 큰 비표면적을 유지할 수 있는 적어도 세륨 및 지르코늄 기재 혼합 산화물을 포함하는 조성물이 개시되어 있다. 또한, 이러한 조성물의 합성 방법이 개시되어 있다.

Catalyst composition for inhibiting diesel engine white smoke emission

The present invention relates to diesel oxidation catalyst (DOC) and diesel particulate filter (DPF) catalyst compositions, used for a smoke reduction apparatus, for inhibiting white smoke generated from a diesel engine and, more specifically, to a DOC, enabling minimization of sulphate adsorption, a DPF catalyst, enabling a sulphate desorption delay, and a smoke reduction apparatus having the DOC and DPF catalyst assembled therein. The diesel particulate filter catalyst composition, which is applied to the DPF, comprises oxide components selected from oxide components comprising manganese oxide and silver oxide.

CERIUM-AND ZIRCONIUM-BASED MIXED OXIDES

Disclosed is a composition comprising at least a cerium and zirconium based mixed oxide comprising zirconium, cerium, lanthanum and optionally at least one rare earth other than cerium and lanthanum; said mixed oxide exhibiting a high thermal resistance and are in particular capable of maintaining a large specific surface area even in a high temperature environment. Also disclosed is a process for the synthesis of such compositions. 1. A composition comprising a cerium- and zirconium-based mixed oxide , wherein the mixed oxide comprises zirconium , cerium , lanthanum and optionally at least one rare earth other than cerium and lanthanum;{'sup': '2', 'said mixed oxide exhibiting a specific surface area (SBET) comprised between 35 and 50 m/g, after calcination at 1100° C. for 4 hours under air.'}2. A composition comprising a cerium- and zirconium-based mixed oxide , wherein the mixed oxide consists of cerium , zirconium , lanthanum , and optionally at least one rare earth other than cerium and lanthanum;{'sup': '2', 'said mixed oxide exhibiting a specific surface area (SBET) comprised between 35 and 50 m/g, after calcination at 1100° C. for 4 hours under air.'}3. A composition according to claim 1 , wherein the mixed oxide comprises:5-70% by weight of cerium;20-80% by weight of zirconium;1-15% by weight of lanthanum; and0-20% by weight of at least one rare earth other than cerium and lanthanum;expressed as oxides.4. A composition according to claim 1 , wherein the mixed oxide comprises:5-70% by weight of cerium oxide;20-80% by weight of zirconium oxide;1-15% by weight of lanthanum oxide; and0-20% by weight of at least one rare earth other oxide than cerium oxide and lanthanum oxide; expressed as oxides.5. A composition according to claim 1 , wherein the rare earth other than cerium and lanthanum is selected from the group consisting of: yttrium claim 1 , neodymium claim 1 , and/or praseodymium.6. A composition according to claim 1 , wherein said mixed oxide exhibits a ...

Effects of catalyst concentration and solid activator on nickel-mediated olefin/carbon dioxide coupling to acrylates

This disclosure provides for routes of synthesis of acrylic acid and other α,β-unsaturated carboxylic acids and their salts, including catalytic methods. For example, there is provided a process for producing an α,β-unsaturated carboxylic acid or a salt thereof, the process comprising: (1) contacting in any order, a group 8-11 transition metal precursor, an olefin, carbon dioxide, a diluent, and a metal-treated chemically-modified solid oxide such as a sulfur oxoacid anion-modified solid oxide, a phosphorus oxoacid anion-modified solid oxide, or a halide ion-modified solid oxide, to provide a reaction mixture; and (2) applying reaction conditions to the reaction mixture suitable to produce the α,β-unsaturated carboxylic acid or the salt thereof. Methods of regenerating the metal-treated chemically-modified solid oxide are described.

TRANSITION METAL CO-DOPED CERIUM OXIDE AND METHOD FOR PREPARING THE SAME

아크릴로나이트릴 반응기 공급 스트림에서 사이안화 수소의 직접 제조를 위한 촉매 조성물 및 공정

... 본 발명은 본 명세서에 기재된 화학식 (I) 또는 화학식 (II)의 혼합형 산화물 촉매를 포함하는 촉매 조성물, 이의 제조, 및 다양한 유기 화합물의 이의 상응하는 나이트릴으로의 가암모니아 산화 공정 및 유출물 가스 스트림 내 존재하는 과량의 NH3의 N2및/또는NOx으로의 선택적 촉매 산화에서 이의 사용에 관한 것이다.

METHODS FOR PREPARING CATALYST SYSTEMS

Methods for preparing a catalyst system, include providing a catalytic substrate comprising a catalyst support having a surface with a plurality of metal catalytic nanoparticles bound thereto and physically mixing and/or electrostatically combining the catalytic substrate with a plurality of oxide coating nanoparticles to provide a coating of oxide coating nanoparticles on the surface of the catalytic nanoparticles. The metal catalytic nanoparticles can be one or more of ruthenium, rhodium, palladium, osmium, iridium, and platinum, rhenium, copper, silver, and gold. Physically combining can include combining via ball milling, blending, acoustic mixing, or theta composition, and the oxide coating nanoparticles can include one or more oxides of aluminum, cerium, zirconium, titanium, silicon, magnesium, zinc, barium, lanthanum, iron, strontium, and calcium. The catalyst support can include one or more oxides of aluminum, cerium, zirconium, titanium, silicon, magnesium, zinc, barium, iron, strontium, and calcium. 1. A method for preparing a catalyst system , the method comprising:providing a catalytic substrate comprising a catalyst support having a surface with a plurality of metal catalytic nanoparticles bound thereto, wherein the metal catalytic nanoparticles comprise one or more of ruthenium, rhodium, palladium, osmium, iridium, and platinum, rhenium, copper, silver, and gold; andphysically mixing the catalytic substrate with a plurality of oxide coating nanoparticles to provide a coating of oxide coating nanoparticles on the surface of the catalytic nanoparticles, wherein physically combining comprises combining via ball milling, blending, acoustic mixing, or theta composition, and the oxide coating nanoparticles comprise one or more oxides of aluminum, cerium, zirconium, titanium, silicon, magnesium, zinc, barium, lanthanum, iron, strontium, and calcium.2. The method of claim 1 , wherein the metal catalytic nanoparticles comprise one or more metals selected from ...

Methods for preparing catalyst systems

Methods for preparing a catalyst system, include providing a catalytic substrate comprising a catalyst support having a surface with a plurality of metal catalytic nanoparticles bound thereto and physically mixing and/or electrostatically combining the catalytic substrate with a plurality of oxide coating nanoparticles to provide a coating of oxide coating nanoparticles on the surface of the catalytic nanoparticles. The metal catalytic nanoparticles can be one or more of ruthenium, rhodium, palladium, osmium, iridium, and platinum, rhenium, copper, silver, and gold. Physically combining can include combining via ball milling, blending, acoustic mixing, or theta composition, and the oxide coating nanoparticles can include one or more oxides of aluminum, cerium, zirconium, titanium, silicon, magnesium, zinc, barium, lanthanum, iron, strontium, and calcium. The catalyst support can include one or more oxides of aluminum, cerium, zirconium, titanium, silicon, magnesium, zinc, barium, iron, ...

Preparation method and applications of millimeter grade particle size spongy iron trimetallic catallyst

本发明提供了一种毫米粒径海绵铁三金属催化剂的制备方法，该方法通过采用溶有聚乙烯吡咯烷酮的乙二醇或丙三醇混合水溶液调控铜银双金属修饰s‑Fe 0 的生长过程的选择性，进一步提高铜修饰海绵铁双金属的催化反应活性；解决传统纳米双金属催化剂的分离与循环利用难题，并降低处理成本；通过铜银共修饰s‑Fe 0 反应也进一步提高单独铜修饰s‑Fe 0 存在易腐蚀降低活性等缺陷。

Plasmonic nanoparticle catalysts and methods for producing long-chain hydrocarbon molecules

A plasmonic nanoparticle catalyst for producing hydrocarbon molecules by light irradiation, which comprises at least one plasmonic provider and at least one catalytic property provider, wherein the plasmonic provider and the catalytic property provider are in contact with each other or have distance less than 200 nm, and molecular composition of the hydrocarbon molecules produced by light irradiation is temperature-dependent. And a method for producing hydrocarbon molecules by light irradiation utilizing the plasmonic nanoparticle catalyst.

Biscarbodiimides and polycarbodiimides and method for their preparation

The present disclosure describes a method of synthesizing carbodiimides comprising providing an alkylisothiourea, providing a thiophilic reagent to the reaction mixture and reacting under conditions sufficient to provide the carbodiimide, and wherein the carbodiimide is a polycarbodiimide or a biscarbodiimide. The present disclosure further describes methods for isolating the carbodiimides. The present disclosure additionally describes isolated carbodiimide compositions.

PHOTOCATALYST LAYER, PHOTOCATALYST, AND METHOD FOR MANUFACTURING PHOTOCATALYST

Provided is a photocatalyst layer that improves the photocatalytic performance while suppressing detachment of photocatalyst particles. The photocatalyst layer has a front surface and a rear surface on the opposite side of the front surface. The photocatalyst layer includes photocatalyst particles and a binder. The photocatalyst layer has a first region containing the photocatalyst particles and a second region containing the binder and not containing the photocatalyst particles. The photocatalyst particles include tungsten oxide particles. The photocatalyst particles have contact points being in contact with the rear surface. The ratio of the thickness of the second region to the number-average secondary particle diameter of the photocatalyst particles is 0.20 or more and 0.80 or less.

METHOD FOR PREPARING MIXED METAL OXIDE CATALYSTS CONTAINING MOLYBDENUM AND BISMUTH

Plasmonic Nanoparticle Catalysts and Methods for Producing Long-Chain Hydrocarbon Molecules

A plasmonic nanoparticle catalyst for producing hydrocarbon molecules by light irradiation, which comprises at least one plasmonic provider and at least one catalytic property provider, wherein the plasmonic provider and the catalytic property provider are in contact with each other or have distance less than 200 nm, and molecular composition of the hydrocarbon molecules produced by light irradiation is temperature-dependent. And a method for producing hydrocarbon molecules by light irradiation utilizing the plasmonic nanoparticle catalyst.

métodos para sintetizar e para isolar carbodiimidas, e, carbodiimida.

Method for catalyzing selective hydrogenation of 1,3-butadiene with PdAgNi/N-C catalyst

Acetal carbonylation product preparation method

Plasmonic Nanoparticle Catalysts and Methods for Producing Long-Chain Hydrocarbon Molecules

A plasmonic nanoparticle catalyst for producing hydrocarbon molecules by light irradiation, which comprises at least one plasmonic provider and at least one catalytic property provider, wherein the plasmonic provider and the catalytic property provider are in contact with each other or have distance less than 200 nm, and molecular composition of the hydrocarbon molecules produced by light irradiation is temperature-dependent. And a method for producing hydrocarbon molecules by light irradiation utilizing the plasmonic nanoparticle catalyst.

Method for preparing acetal carbonyl compound

The present application provides a method for preparing acetal carbonyl compound used as an intermediate for producing ethylene glycol, which comprises a step in which a raw material acetal and a raw gas carbon monoxide go through a reactor loaded with a catalyst containing an acidic microporous silicoaluminophosphate molecular sieve, for carrying out a carbonylation reaction. In the method of the present invention, the conversion rate of the raw material acetal is high, and the selectivity of acetal carbonylation is high, and the catalyst life is long, and no additional solvent is needed in the reaction process, and the reaction condition is relatively mild, and the process is continuous, showing the potential for industrial application. Moreover, the product of acetal carbonyl compound can be used for producing ethylene glycol by hydrogenation followed by hydrolysis.

Plasmonic nanoparticle catalysts and methods for producing long-chain hydrocarbon molecules

A plasmonic nanoparticle catalyst for producing hydrocarbon molecules by light irradiation, which comprises at least one plasmonic provider and at least one catalytic property provider, wherein the plasmonic provider and the catalytic property provider are in contact with each other or have distance less than 200 nm, and molecular composition of the hydrocarbon molecules produced by light irradiation is temperature-dependent. And a method for producing hydrocarbon molecules by light irradiation utilizing the plasmonic nanoparticle catalyst.

Production method of O-fluoroaniline

Method for preparing mixed metal oxide catalysts containing molybdenum and bismuth

The present invention relates to a process for producing mixed oxide catalysts on the basis of molybdenum and bismuth oxides in which the precursor compounds of the components of mixed oxide catalysts provided in the form of a solution and/or suspension are subjected to a spray-drying with a specific temperature regime and the spray particles obtained in this way are then calcined to yield a catalytic active mass, and to the mixed oxide catalysts obtainable by this process and to the use of these catalysts in the partial oxidation of olefins, in particular in the partial gas phase oxidation of propene to acrolein and acrylic acid. The spray drying of the precursor compounds containing solution or suspension is performed in concurrent with a gas stream having a specific entrance temperature. Alternatively, when the main gas stream has a higher entrance temperature, an additional colder gas stream can be fed in downstream. The thus obtained mixed oxide catalysts give lower a maximum temperature ...

METHOD FOR PREPARING MIXED METAL OXIDE CATALYSTS CONTAINING MOLYBDENUM AND BISMUTH

Photocatalyst layer, photocatalyst, and method for manufacturing photocatalyst

Provided is a photocatalyst layer that improves the photocatalytic performance while suppressing detachment of photocatalyst particles. The photocatalyst layer has a front surface and a rear surface on the opposite side of the front surface. The photocatalyst layer includes photocatalyst particles and a binder. The photocatalyst layer has a first region containing the photocatalyst particles and a second region containing the binder and not containing the photocatalyst particles. The photocatalyst particles include tungsten oxide particles. The photocatalyst particles have contact points being in contact with the rear surface. The ratio of the thickness of the second region to the number-average secondary particle diameter of the photocatalyst particles is 0.20 or more and 0.80 or less.

A process for preparing acetals carbo- thing method

本发明提出了一种通过缩醛羰基化反应制备作为生产乙二醇的中间体的缩醛羰化物的方法，所述方法包括将原料缩醛和原料气一氧化碳通过载有酸性小孔磷酸硅铝分子筛的催化剂的反应器进行羰基化反应，得到产物缩醛羰化物。本发明方法中原料缩醛的转化率高，缩醛羰化物的选择性高，催化剂寿命长，不需要使用外加溶剂，反应条件比较温和，能够连续生产，具备工业化应用潜力。而且，所获得的缩醛羰化物产物能够通过加氢后水解生产乙二醇。

BISCARBODIIMIDES AND POLYCARBODIIMIDES AND METHOD FOR THEIR PREPARATION

CATALYST COMPOSITION FOR INHIBITING DIESEL ENGINE WHITE SMOKE EMISSION

The present invention relates to diesel oxidation catalyst (DOC) and diesel particulate filter (DPF) catalyst compositions, used for a smoke reduction apparatus, for inhibiting white smoke generated from a diesel engine and, more specifically, to a DOC, enabling minimization of sulphate adsorption, a DPF catalyst, enabling a sulphate desorption delay, and a smoke reduction apparatus having the DOC and DPF catalyst assembled therein. The diesel particulate filter catalyst composition, which is applied to the DPF, comprises oxide components selected from oxide components comprising manganese oxide and silver oxide. 1. A smoke reduction apparatus for preventing white smoke from being emitted from a diesel engine , which includes a diesel oxidation catalyst (DOC) and a diesel particulate filter (DPF) mounted at a rear end of the diesel engine , the smoke reduction apparatus comprising:a diesel particulate filter catalyst composition which is applied to the DPF and which includes an oxide component selected from among oxide components including manganese oxide and silver oxide.2. The smoke reduction apparatus of claim 1 , wherein the diesel particulate filter catalyst composition includes MnOand Pt—Pd/AlO.3. The smoke reduction apparatus of claim 1 , wherein the diesel particulate filter catalyst composition includes Pt—Pd/(AlO+Ag/OSC+FeO).4. The smoke reduction apparatus of claim 1 , wherein a composition applied to the diesel oxidation catalyst (DOC) includes Pt—Pd/AlOand zeolite. The present invention relates to diesel oxidation catalyst (DOC) and diesel particulate filter (DPF) catalyst compositions which are used in a smoke reduction apparatus in order to prevent white smoke from being generated from a diesel engine. More particularly, the present invention relates to a DOC catalyst enabling minimization of sulfate adsorption, a DPF catalyst that delays sulfate desorption, and a smoke reduction apparatus having the DOC and DPF catalysts assembled therein.Diesel ...

BISCARBODIIMIDES AND POLYCARBODIIMIDES AND METHOD FOR THEIR PREPARATION

VISIBLE LIGHT-SENSITIVE PHOTOCATALYST COMPOSITION AND A VISIBLE LIGHT-SENSITIVE PHOTOCATALYST FILM COMPRISING THE SAME

The present invention relates to a visible light-sensitive photocatalyst composition and a visible light-sensitive photocatalyst film comprising the same, and more particularly, to a visible light-sensitive photocatalyst composition and a visible light-sensitive photocatalyst film comprising the same, which has catalytic properties of oxidizing and decomposing organic matter in the air in not only ultraviolet rays but also visible rays, sunlight and indoor lights, and is capable of removing harmful substances, deodorizing, sterilizing, etc., and can provide visibility.

Plasmonic nanoparticle catalysts and methods for producing long-chain hydrocarbon molecules

Robust catalyst for hydrogen production from p-formaldehyde

BISCARBODIIMIDES AND POLYCARBODIIMIDES AND METHOD FOR THEIR PREPARATION

The present disclosure describes a method of synthesizing carbodiimides comprising providing an alkylisothiourea, providing a thiophilic reagent to the reaction mixture and reacting under conditions sufficient to provide the carbodiimide, and wherein the carbodiimide is a polycarbodiimide or a biscarbodiimide. The present disclosure further describes methods for isolating the carbodiimides. The present disclosure additionally describes isolated carbodiimide compositions. 2. The method of synthesizing carbodiimides of claim 1 , wherein the reaction mixture further comprises a solvent selected from the list consisting of acetonitrile claim 1 , proprionitrile claim 1 , butyronirile claim 1 , isobutyronitrile claim 1 , valeronitrile claim 1 , hexanenitrile claim 1 , trimethylacetonitrile claim 1 , malonitrile claim 1 , succionitrile claim 1 , glutaronitrile claim 1 , adiponitrile claim 1 , 1 claim 1 ,5-dicyanopentane claim 1 , 1 claim 1 ,6-dicyanohexane claim 1 , N claim 1 ,N-dimethylformamide claim 1 , N claim 1 ,N-dimethylacetamide claim 1 , acetone claim 1 , methylene chloride claim 1 , 1 claim 1 ,2-dichloroethane claim 1 , chloroform claim 1 , carbontetrachloride claim 1 , 1 claim 1 ,4-dioxane claim 1 , benzene claim 1 , toluene claim 1 , xylenes claim 1 , pentane claim 1 , hexanes claim 1 , heptanes claim 1 , petroleum ether claim 1 , diethyl ether claim 1 , tetrahydrofuran claim 1 , 2-methyltetrahydrofuran claim 1 , methyl-t-butyl ether claim 1 , or a mixture thereof.3. The method of synthesizing carbodiimides of claim 1 , wherein the reaction mixture further comprises a base selected from the list consisting of acyclic or cyclic N claim 1 ,N claim 1 ,N-trisubstituted amine including claim 1 , but not limited to claim 1 , trimethylamine claim 1 , triethylamine claim 1 , N claim 1 ,N-diisopropylethyl amine claim 1 , N claim 1 ,N claim 1 ,N′ claim 1 ,N′-tetramethylethylenediamine or TMEDA claim 1 , N claim 1 ,N claim 1 ,N′ claim 1 ,N′-tetramethyl-1 claim 1 ,3- ...

Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream

Based on cerium and zirconium mixed oxide

a process for preparing a pre-reforming catalyst having resistance to deactivation by passing steam in the absence of a reducing agent, and, pre-reforming catalyst

METHOD FOR PREPARING ACETAL CARBONYL COMPOUND

The present application provides a method for preparing acetal carbonyl compound used as a mediate for producing ethylene glycol, which comprises a step in which a raw material acetal and a raw gas carbon monoxide go through a reactor loaded with a catalyst containing an acidic microporous silicoaluminophosphate molecular sieve, for carrying out a carbonylation reaction. In the method of the present invention, the conversion rate of the raw material acetal is high, and the selectivity of acetal carbonylation is high, and the catalyst life is long, and no additional solvent is needed in the reaction process, and the reaction condition is relatively mild, and the process is continuous, showing the potential for industrial application. Moreover, the product of acetal carbonyl compound can be used for producing ethylene glycol by hydrogenation followed by hydrolysis.

HETEROJUNCTION PHOTOCATALYST, PHOTOCATALYST COMPOSITE, METHOD FOR PRODUCING HETEROJUNCTION PHOTOCATALYST, AND METHOD FOR PRODUCING HYDROGEN

The present invention provides a heterojunction photocatalyst having higher photocatalytic activity than that of a conventional heterojunction photocatalyst. Further, the present invention provides a photocatalyst composite having the heterojunction photocatalyst on a substrate, a method for producing the heterojunction photocatalyst, and a method for producing hydrogen using the heterojunction photocatalyst or the photocatalyst composite The het junction photocatalyst of the present invention has a solid mediator between a hydrogen-evolution photocatalyst and an oxygen-evolution photocatalyst, and the solid mediator is selectively joined to an electrons collecting surface of the oxygen-evolution photocatalyst.

METHOD FOR PREPARING MIXED METAL OXIDE CATALYSTS CONTAINING MOLYBDENUM AND BISMUTH

The present invention relates to a process for producing mixed oxide catalysts on the basis of molybdenum and bismuth oxides in which the precursor compounds of the components of mixed oxide catalysts provided in the form of a solution and/or suspension are subjected to a spray-drying with a specific temperature regime and the spray particles obtained in this way are then calcined to yield a catalytic active mass, and to the mixed oxide catalysts obtainable by this process and to the use of these catalysts in the partial oxidation of olefms, in particular in the partial gas phase oxidation of propene to acrolein and acrylic acid. The spray drying of the precursor compounds containing solution or suspension is performed in concurrent with a gas stream having a specific entrance temperature. Alternatively, when the main gas stream has a higher entrance temperature, an additional colder gas stream can be fed in downstream. The thus obtained mixed oxide catalysts give lower a maximum temperature in the hot spot of catalyst fixed bed when they are used in the partial gas phase oxidation of olefms. 1. A process for producing a mixed oxide catalyst , the process comprisinga) providing a solution and/or suspension of precursor compounds of components of mixed oxide catalyst, wherein the solution and/or suspension contains a precursor compound of bismuth and a precursor compound of molybdenum or a precursor compound of bismuth and molybdenum, and wherein, when the suspension is subjected to spray-drying, a concentration of solids in the suspension is 10 to 50% by weight,b) spray-drying the solution and/or suspension provided in a) in cocurrent together with a gas stream having an entrance temperature into a spray dryer of 160+/−10° C. to 200+/−10° C. and an exit temperature from the spray dryer of 90+/−10° C. to 105+/−10° C., wherein the gas stream has a mean flow velocity in the spray dryer of 2.0+/−0.3 cm/s to 4.5+/−0.3 cm/s, orb′) spray-drying the solution and/or ...

PHOTOCATALYST LAYER, PHOTOCATALYST, AND METHOD FOR MANUFACTURING PHOTOCATALYST

Provided is a photocatalyst layer that improves the photocatalytic performance while suppressing detachment of photocatalyst particles. The photocatalyst layer has a front surface and a rear surface on the opposite side of the front surface. The photocatalyst layer includes photocatalyst particles and a binder. The photocatalyst layer has a first region containing the photocatalyst particles and a second region containing the binder and not containing the photocatalyst particles. The photocatalyst particles include tungsten oxide particles. The photocatalyst particles have contact points being in contact with the rear surface. The ratio of the thickness of the second region to the number-average secondary particle diameter of the photocatalyst particles is 0.20 or more and 0.80 or less.

CATALYST COMPOSITIONS AND PROCESS FOR DIRECT PRODUCTION OF HYDROGEN CYANIDE IN AN ACRYLONITRILE REACTOR FEED STREAM

The present invention relates to catalyst compositions containing a mixed oxide catalyst of formula (I) or formula (II) as described herein, their preparation, and their use in a process for ammoxidation of various organic compounds to their corresponding nitriles and to the selective catalytic oxidation of excess NHpresent in effluent gas streams to Nand/or NO. 1. A catalyst composition comprising a mixed oxide catalyst of formula (I) or (II):{'br': None, 'sub': 12', 'a', 'b', 'c', 'd', 'e', 'f', 'h, 'sup': 1', '2', '3', '4', '5', '6, 'MoXXXXXXO\u2003\u2003(I)'}{'br': None, 'sub': i', 'j', 'k', 'm', 'n', 'q', 'x', 'y', 'r, 'FeMoCrBiMNQXYO\u2003\u2003(II)'} [{'sup': '1', 'Xis Cr and/or W;'}, {'sup': '2', 'Xis Bi, Sb, As, P, and/or a rare earth metal;'}, {'sup': '3', 'Xis Fe, Ru, and/or Os;'}, {'sup': '4', 'Xis Ti, Zr, Hf, B, Al, Ga, In, TI, Si, Ge, Sn, and/or Pb;'}, {'sup': '5', 'Xis Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Hg, Mn, Re, V, Nb, Ta, Se, and/or Te;'}, {'sup': '6', 'Xis an alkaline earth metal and/or an alkali metal;'}, '0≤a≤5;', '0.03≤b≤25;', '0≤c≤20;', '0≤d≤200;', '0≤e≤8;', '0≤f≤3; and', 'h is the number of oxygen atoms required to satisfy the valence requirements of the component elements other than oxygen present in formula (I), where', '1≤c+d+e+f≤200;', '0≤e+f≤8; and, 'wherein in the formula (I) M is Ce and/or Sb;', 'N is La, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ti, Zr, Hf, B, Al, Ga, In, TI, Si, Ge, Sn, Pb, P, and/or As;', 'Q is W, Ru, and/or Os;', 'X is Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Hg, Mn, Re, V, Nb, Ta, Se, and/or Te;', 'Y is an alkaline earth metal and/or an alkali metal;', '0.2≤i≤100;', '0≤j≤2;', '0≤k≤2;', '0.05≤m≤10;', '0≤n≤200;', '0≤q≤8;', '0≤x≤30;', '0≤y≤8;', 'j and kj; and', 'r is the number of oxygen atoms required to satisfy the valence requirements of the component elements other than oxygen present in formula (II),, 'wherein in the formula (II) 4≤m+n+q+x+y≤200;', '0≤q+x+y≤30; and, 'wherein{'sup ...

EFFECTS OF CATALYST CONCENTRATION AND SOLID ACTIVATOR ON NICKEL-MEDIATED OLEFIN/CARBON DIOXIDE COUPLING TO ACRYLATES

This disclosure provides for routes of synthesis of acrylic acid and other α,β-unsaturated carboxylic acids and their salts, including catalytic methods. For example, there is provided a process for producing an α,β-unsaturated carboxylic acid or a salt thereof, the process comprising: (1) contacting in any order, a group 8-11 transition metal precursor, an olefin, carbon dioxide, a diluent, and a metal-treated chemically-modified solid oxide such as a sulfur oxoacid anion-modified solid oxide, a phosphorus oxoacid anion-modified solid oxide, or a halide ion-modified solid oxide, to provide a reaction mixture; and (2) applying reaction conditions to the reaction mixture suitable to produce the α,β-unsaturated carboxylic acid or the salt thereof. Methods of regenerating the metal-treated chemically-modified solid oxide are described.

ROBUST CATALYST FOR HYDROGEN PRODUCTION FROM P-FORMALDEHYDE

Disclosed is a method of producing hydrogen from formaldehyde. The method includes mixing an aqueous base, formaldehyde, and a transition metal complex having a transition metal-halide bond to form a homogenous aqueous solution having a basic pH. The halide dissociates from the transition metal complex in response to the basic pH of the solution to produce hydrogen from the formaldehyde present in the homogeneous aqueous solution.

Effects of catalyst concentration and solid activator on nickel-mediated olefin/carbon dioxide coupling to acrylates

This disclosure provides for routes of synthesis of acrylic acid and other a,b-unsaturated carboxylic acids and their salts, including catalytic methods. For example, there is provided a process for producing an α,β-unsaturated carboxylic acid or a salt thereof, the process comprising: (1) contacting in any order, a group 8-11 transition metal precursor, an olefin, carbon dioxide, a diluent, and a metal-treated chemically-modified solid oxide such as a sulfur oxoacid anion-modified solid oxide, a phosphorus oxoacid anion-modified solid oxide, or a halide ion-modified solid oxide, to provide a reaction mixture; and (2) applying reaction conditions to the reaction mixture suitable to produce the α,β-unsaturated carboxylic acid or the salt thereof. Methods of regenerating the metal-treated chemically-modified solid oxide are described.

用于产生长链烃分子的等离激元纳米颗粒催化剂和方法

一种通过光辐射产生烃分子的等离激元纳米颗粒催化剂，其包含至少一种等离激元供体和至少一种催化特性供体，其中等离激元供体和催化特性供体可相互接触或距离小于200nm，并且由光辐射产生的烃分子的分子组成是温度依赖性的。以及一种利用等离激元纳米颗粒催化剂通过光辐射产生烃分子的方法。

Biscarbodiimides and polycarbodiimides and method for their preparation

The present disclosure describes a method of synthesizing carbodiimides comprising providing an alkylisothiourea, providing a thiophilic reagent to the reaction mixture and reacting under conditions sufficient to provide the carbodiimide, and wherein the carbodiimide is a polycarbodiimide or a biscarbodiimide. The present disclosure further describes methods for isolating the carbodiimides. The present disclosure additionally describes isolated carbodiimide compositions.

Method for Producing Mixed Metal Oxide Catalyst Containing Molybdenum and Bismuth

Process for preparing a catalyst system

本发明提供用于制备催化剂体系的方法，包含：提供催化衬底，催化衬底包括具有与多个金属催化纳米颗粒结合的表面的催化剂载体；以及将催化衬底与多个氧化物涂层纳米颗粒物理混合和/或静电组合，以将氧化物涂层纳米颗粒的涂层提供于催化纳米颗粒的表面上。金属催化纳米颗粒可以是：钌、铑、钯、锇、铱和铂、铼、铜、银和金中的一种或多种。物理组合可以包含通过球磨、共混、声学混合或θ组合物组合，并且氧化物涂层纳米颗粒可以包含铝、铈、锆、钛、硅、镁、锌、钡、镧、铁、锶和钙中的一种或多种氧化物。催化剂载体可以包含铝、铈、锆、钛、硅、镁、锌、钡、铁、锶和钙中的一种或多种氧化物。

A catalyst composition for preventing white smoke output from diesel engine

본 발명은 디젤엔진에서 발생되는 백연 (white smoke)을 억제하기 위하여 매연저감장치에 사용되는 디젤산화촉매 (DOC) 및 디젤미립자 필터 (DPF) 촉매조성물에 관한 것이며, 더욱 상세하게는 황산염 흡착을 최소화할 수 있는 DOC 촉매 및 황산염 탈착을 지연할 수 있는 DPF 촉매 및 이들이 조립되는 매연저감장치에 관한 것으로, DPF에 적용되는 디젤미립자필터 촉매조성물에는 망간산화물 및 은산화물로 이루어진 산화물 성분들에서 선택되는 산화물 성분이 포함된다.

Effect of catalyst concentration and solid activator on Nickel-mediated olefin/carbon dioxide coupling with acrylates

本公开提供丙烯酸和其它a,b‑不饱和羧酸和其盐的合成途径，包括催化方法。举例来说，提供用于产生α,β‑不饱和羧酸或其盐的方法,所述方法包含：(1)使以下以任何顺序接触：第8‑11族过渡金属前体、烯烃、二氧化碳、稀释剂和金属处理的化学改性的固体氧化物，如硫的含氧酸阴离子改性的固体氧化物、磷的含氧酸阴离子改性的固体氧化物或卤离子改性的固体氧化物，以提供反应混合物；和(2)对所述反应混合物施加适合于产生所述α,β‑不饱和羧酸或其盐的反应条件。描述使所述金属处理的化学改性的固体氧化物再生的方法。

ZPGM Diesel Oxidation Catalysts and methods of making and using same

Diesel oxidation ZPGM catalyst systems are disclosed. ZPGM catalyst systems may oxidize toxic gases, such as carbon monoxide, hydrocarbons and nitrogen oxides that may be included in exhaust gases. ZPGM catalyst systems may include: a substrate, a washcoat, and an impregnation layer. The washcoat may include at least one carrier material oxides. The impregnation layer may include at least one ZPGM catalyst, carrier material oxides and OSMs. Suitable known in the art chemical techniques, deposition methods and treatment systems may be employed in order to form the disclosed ZPGM catalyst systems.

Catalyst for production of hydrogen and process for producing hydrogen using the catalyst, and catalyst for combustion of ammonia, process for producing the catalyst and process for combusting ammonia using the catalyst

Disclosed is a catalyst which can be used in the process for producing hydrogen by decomposing ammonia, can generate heat efficiently in the interior of a reactor without requiring excessive heating the reactor externally, and can decompose ammonia efficiently and steadily by utilizing the heat to produce hydrogen. Also disclosed is a technique for producing hydrogen by decomposing ammonia efficiently utilizing the catalyst. Specifically disclosed is a catalyst for use in the production of hydrogen, which is characterized by comprising an ammonia-combusting catalytic component and an ammonia-decomposing catalytic component. Also specifically disclosed is a catalyst for use in the production of hydrogen, which is characterized by comprising at least one metal element selected from the group consisting of cobalt, iron, nickel and molybdenum.

Process for preparing pre-reforming catalysts resistant to deactivation by passage of water vapor in the absence of reducing agents and pre-reforming catalysts

Effects of catalyst concentration and solid activator on nickel-mediated olefin/carbon dioxide coupling to acrylates

This disclosure provides for routes of synthesis of acrylic acid and other a,b-unsaturated carboxylic acids and their salts, including catalytic methods. For example, there is provided a process for producing an α,β-unsaturated carboxylic acid or a salt thereof, the process comprising: (1) contacting in any order, a group 8-11 transition metal precursor, an olefin, carbon dioxide, a diluent, and a metal-treated chemically-modified solid oxide such as a sulfur oxoacid anion-modified solid oxide, a phosphorus oxoacid anion-modified solid oxide, or a halide ion-modified solid oxide, to provide a reaction mixture; and (2) applying reaction conditions to the reaction mixture suitable to produce the α,β-unsaturated carboxylic acid or the salt thereof. Methods of regenerating the metal-treated chemically-modified solid oxide are described.

A kind of regeneration method of metallic catalyst

本发明涉及一种金属催化剂的再生方法，属于失活催化剂再生技术领域。该再生方法是将失活金属催化剂与高温可分解为含氮气体的含氮化合物混合均匀，再将得到的混合物放置于管式炉中，在惰性气体保护下进行高温煅烧，即得到再生的金属催化剂。该再生方法所使用的含氮化合物在高温时分解产生的含氮气体可以与金属粒子相互作用，可以将金属粒子分散变小，从而提高了金属的表面利用率；所使用的含氮化合物高温分解为气体，不会引入其他杂质；该方法操作简单，易于工业化生产；能有效的使失活的金属催化剂再生，获得活性恢复的再生催化剂。

Method for synthesizing polycarbodiimides or biscarbodiimides

A presente revelação descreve um método para sintetizar carbodiimidas que compreende fornecer uma alquilisotioureia, fornecer um reagente tiofílico à mistura de reação e reagir sob condições suficientes a ponto de fornecer a carbodiimida, sendo que a carbodiimida é uma policarbodiimida ou uma biscarbodiimida. A presente revelação descreve adicionalmente métodos para isolar as carbodiimidas. A presente revelação descreve adicionalmente composições de carbodiimida isolada. The present disclosure describes a method for synthesizing carbodiimides which comprises supplying an alkylisothiourea, supplying a thiophilic reagent to the reaction mixture and reacting under conditions sufficient to provide the carbodiimide, wherein the carbodiimide is a polycarbodiimide or a biscarbodiimide. The present disclosure further describes methods for isolating carbodiimides. The present disclosure further describes isolated carbodiimide compositions.

Epoxidation catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine

a process for preparing the catalyst; a process for preparing an olefin oxide by reacting a feed comprising an olefin and oxygen in the presence of the catalyst; and a process for preparing a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine.

Mixed oxide based on cerium and zirconium

Process for preparing a pre-reform catalyst

PROCESSO PARA PREPARAÇÃO DE UM CATALISADOR DE PRÉ-REFORMA DOTADO DE RESISTÊNCIA À DESATIVAÇÃO PELA PASSAGEM DE VAPOR NA AUSÊNCIA DE UM AGENTE REDUTOR, E, CATALISADOR DE PRÉ- REFORMA. A presente invenção se refere a um processo para preparação de um catalisador de pré-reforma dotado de resistência à desativação pela passagem de vapor na ausência de um agente redutor compreendendo rutênio e um suporte de alumina. Além disso, o catalisador de Ru/alumina de acordo com a presente invenção se torna muito mais resistente à deposição de coque com a adição de um teor de Ag.

Household appliance with a self-cleaning catalytically active surface and method for operating the same

本发明涉及一种家用器具(1)，其具有至少一个含有至少一个活性氧(ROS)发生器的自清洁催化活性表面(17)，其中，所述至少一个ROS发生器选自由式(I)、(II)或(III)表示的化合物组成的组；Ag‑B‑M‑硫(I)，其中，B选自Al、Ga、In、Sn、Tl、Pb和Bi组成的组，M选自Ti、Zr、Cr、Mo、Mn、Fe、Ru、Ni、Pd、Cu、Zn和Cd组成的组；MO q ‑A(II)，其中，q＝2或3，M选自由Zr、Ti、Cr、Mo、W和Mn组成的组；A是选自由式(A)表示的化合物组成的组的乙酰丙酮化物或其衍生物，其中，R 1 、R 2 和R 3 独立地选自由H、Cl、Br、I和C 1 ‑C 80 烃和聚合物自由基组成的组。YSe‑R x ‑MO 2 (III)，其中，Y选自Sn或Pb；R x 是碳同素异形体；M选自由Zr、Ti、Cr、Mo、W和Mn组成的组。

Catalyst compositions and ammoxidation processes

Process for producing acetal carbonyl compound

Method for catalytic synthesis of citric acid ester by (NH4)xAgyH3-x-yPW12O40 composite salt

本发明涉及一种磷钨酸银铵复合盐催化合成柠檬酸酯的方法，以磷钨酸银铵复合盐为催化剂，在柠檬酸与醇的物质的量之比为1：3～6，催化剂与柠檬酸的质量比为1～5：100，温度为130～180℃，反应时间为2～6h的条件下，发生酯化反应合成柠檬酸酯。本发明的优点在于磷钨酸银铵复合盐具有催化活性高、用量少，与反应体系的分离简单，未经任何处理即可直接循环使用，重复使用性能优异，反应过程可实现零排放，对环境友好。

Cerium-and zirconium-based mixed oxides

Process for preparing mixed oxide catalysts containing molybdenum and bismuth

本发明涉及一种制备混合氧化物催化剂，特别是基于氧化钼和氧化铋的混合氧化物催化剂的制备方法，其中对以溶液和/或悬浮液形式提供的混合氧化物催化剂的组分的前体化合物进行特定温度制度下的喷雾干燥，然后将以这种方式获得的喷雾颗粒煅烧以产生催化活性物质，并且涉及通过该方法能够获得的混合氧化物催化剂，以及这些催化剂在烯烃的部分氧化中的用途，尤其是在丙烯的部分气相氧化成丙烯醛和丙烯酸中的用途。含有溶液或悬浮液的前体化合物的喷雾干燥与具有特定进口温度的气流并流进行。可选地，当主气流具有较高的进口温度时，可以在下游供应附加的较冷气流。由此获得的混合氧化物催化剂在其被用于烯烃的部分气相氧化时，在催化剂固定床的热点中具有较低的最高温度。

一种高浓度氢气高效转化为水的方法及装置

本发明涉及一种氢气转化为水的方法及装置，尤其涉及一种高浓度氢气高效转化为水的方法及装置。克服现有单独利用氧化物催化剂存在的温度高或者氧化物催化剂利用率低，单独利用贵金属催化剂存在的反应过程难以控制以及利用氧化物‑贵金属混合物催化剂存在的只能在无氧气氛下处理少量低浓度的氢气等问题。首先，利用霍加拉特剂，将大部分的氢气转化为水，并放出氧气；其次，利用贵金属催化剂，进行催化氧化反应，使未反应的氢气转化为水；可在无外加氧气，预热温度较低的条件下，将大量高浓度氢气高效转化为水，转化过程安全、可控。

Proceso para la preparacion de un catalizador de pre-reformado para el pre-reformado con vapor de hidrocarburos dotado de resistencia a la desactivacion por paso de vapor en ausencia de un agente reductor, y catalizador de pre-reformado preparado por dicho proceso

La presente invención está relacionada a técnicas de movilización de hidrocarburos en tanques de almacenamiento para evitar la formación de lodo. En este contexto, la presente invención provee un sistema externo de movilización de fluidos en un tanque de almacenamiento (10), que comprende por lo menos dos conjuntos de bombeo (20, 20a, 20b, 20c, 20d), comprendiendo (i) cada conjunto de bombeo (20, 20a, 20b, 20c, 20d) un conducto de bombeo (30) externo con respecto al tanque de almacenamiento (10) en comunicación hidráulica con el interior del tanque de almacenamiento (10) en por lo menos dos puntos distintos del tanque de almacenamiento a través de dos extremidades de dicho conducto de bombeo (32, 34), y (ii) una bomba (40) adaptada para hacer circular el fluido a través del conducto de bombeo (30), en donde el fluido que se hace circular a través del conducto de bombeo (30) es tomado del tanque de almacenamiento (10) en una extremidad del tubo de bombeo (32, 34) y descargado en el mismo tanque de almacenamiento (10) a través de otra extremidad (32, 34) del conducto de bombeo, y en donde la corriente de fluido en el conducto de bombeo (30) es reversible.

Process for preparing a pre-reforming catalyst having resistance to deactivation by passage of steam in the absence of a reducing agent, and a pre-reforming catalyst

The present invention relates to a process for preparing a pre-reforming catalyst having resistance to deactivation by passage of steam in the absence of a reducing agent comprising ruthenium and an alumina support. Furthermore, the Ru/alumina catalyst according to the present invention becomes much more resistant to deposition of coke with the addition of Ag.

一种光催化选择性硝化溴代苯酚的方法

本发明为一种光催化选择性硝化溴代苯酚的方法，涉及光催化有机合成和精细化工领域。具体以可见光为能源，亚硝酸盐为硝化试剂，银掺杂胍基修饰氮化碳为催化剂，在乙腈和水的溶剂中，选择性硝化二溴代苯酚制得兼有溴代和硝基官能团的苯酚中间体。与传统硝化工艺相比，本发明未采用硝酸、硫酸、乙酸、氟磺酸等强酸体系，生产工艺之环境责任小，无需加热且仅在常温进行，能直接利用自然界普遍之可见光资源，以廉价易得之亚硝酸盐为硝化试剂，条件温和且选择性高，符合现代绿色化学的要求。

Process for preparing a pre-reforming catalyst having resistance to deactivation by passage of steam in the absence of a reducing agent, and a pre-reforming catalyst

一种毫米粒径海绵铁三金属催化剂的制备方法和应用

本发明提供了一种毫米粒径海绵铁三金属催化剂的制备方法，该方法通过采用溶有聚乙烯吡咯烷酮的乙二醇或丙三醇混合水溶液调控铜银双金属修饰s‑Fe 0 的生长过程的选择性，进一步提高铜修饰海绵铁双金属的催化反应活性；解决传统纳米双金属催化剂的分离与循环利用难题，并降低处理成本；通过铜银共修饰s‑Fe 0 反应也进一步提高单独铜修饰s‑Fe 0 存在易腐蚀降低活性等缺陷。

一种钒酸银作为模拟酶的应用

本发明涉及模拟酶技术，具体的说是一种钒酸银作为模拟酶的应用。所述钒酸银作为模拟酶的应用。其是通过水热合成获得。本发明所述钒酸银具有良好的HRP酶催化活性，在免疫分析等领域具有潜在应用前景，且廉价易得。

一种氢气高效转化为水的方法及装置

本发明涉及一种氢气转化为水的方法，尤其涉及一种氢气高效转化为水的方法及装置。克服现有单独利用氧化物催化剂存在的温度高或者氧化物催化剂利用率低，单独利用贵金属催化剂存在的反应过程难以控制以及利用氧化物‑贵金属混合物催化剂存在的只能在无氧气氛下处理少量低浓度的氢气等问题。首先，利用氧化物催化剂，使大部分的氢气转化为水；其次，固态氧气释放剂释放氧气；最后将第一步反应后的气体与第二步释放出的氧气混合，之后通过贵金属催化剂催化，使未反应的氢气在贵金属催化剂的作用下与释放出的氧气发生催化氧化反应转化为水。本发明可在无外加氧气，预热温度较低的条件下，将大量氢气高效转化为水，转化过程安全、可控。

光触媒層、光触媒体、及び光触媒体の製造方法

【課題】光触媒粒子の脱離を抑制しつつ、光触媒性能を向上させる光触媒層を提供する。【解決手段】光触媒層１０は、表面１０ａと、表面１０ａと反対側の裏面１０ｂとを有する。光触媒層１０は、光触媒粒子２０と、バインダー３０とを含む。光触媒層１０は、光触媒粒子２０を含有する第一領域１と、バインダー３０を含有し光触媒粒子２０を含有しない第二領域２とを有する。光触媒粒子２０は、酸化タングステン粒子を含む。光触媒粒子２０は、裏面１０ｂと接触する接触点２０１を有する。光触媒粒子２０の数平均二次粒子径Ｌに対する第二領域２の厚みＴの比率Ｔ／Ｌが、０．２０以上０．８０以下である。【選択図】図３

一种钒酸银作为模拟酶的应用

本发明涉及模拟酶技术，具体的说是一种钒酸银作为模拟酶的应用。所述钒酸银作为模拟酶的应用。其是通过水热合成获得。本发明所述钒酸银具有良好的HRP酶催化活性，在免疫分析等领域具有潜在应用前景，且廉价易得。

副产氯化氢再利用方法

本发明公开了一种副产氯化氢再利用方法，该方法包括如下步骤：第一步，在乙烯酮生成塔底通入乙炔和氧气的混合气体，在真空作用下，通过以硅胶为载体的Zn0\CaO\AgO催化剂床体，一秒钟即可完成乙烯酮CH 2 =C=O的合成；第二步，气态的乙烯酮在真空作用下，进入乙酰氯生成塔，同时将干燥净化的副产氯化氢HCL气体通入塔底，两种气体发生加成反应，生成乙酰氯；第三步，气体乙酰氯在真空作用下，进入冷凝塔，降温冷凝为液态乙酰氯，回收到乙酰氯滴加灌或集收灌，完成副产氯化氢的回收利用，转化为产品化工中间体乙酰氯。本发明的有益效果是，结构设计合理，适用范围广泛。

接合型光触媒、光触媒複合体、接合型光触媒の製造方法、及び水素の製造方法

本発明は、従来の接合型光触媒よりも高い触媒活性を有する接合型光触媒を提供する。また、本発明は、基材上に前記接合型光触媒を有する光触媒複合体、前記接合型光触媒の製造方法、及び前記接合型光触媒又は前記光触媒複合体を用いた水素の製造方法を提供する。本発明の接合型光触媒は、水素発生光触媒と酸素発生光触媒との間に固体メディエータを有しており、前記酸素発生光触媒の電子捕集面に前記固体メディエータが選択的に接合している。

一种氢气高效转化为水的方法及装置

本发明涉及一种氢气转化为水的方法，尤其涉及一种氢气高效转化为水的方法及装置。克服现有单独利用氧化物催化剂存在的温度高或者氧化物催化剂利用率低，单独利用贵金属催化剂存在的反应过程难以控制以及利用氧化物‑贵金属混合物催化剂存在的只能在无氧气氛下处理少量低浓度的氢气等问题。首先，利用氧化物催化剂，使大部分的氢气转化为水；其次，固态氧气释放剂释放氧气；最后将第一步反应后的气体与第二步释放出的氧气混合，之后通过贵金属催化剂催化，使未反应的氢气在贵金属催化剂的作用下与释放出的氧气发生催化氧化反应转化为水。本发明可在无外加氧气，预热温度较低的条件下，将大量氢气高效转化为水，转化过程安全、可控。

一种光催化选择性硝化溴代苯酚的方法

本发明为一种光催化选择性硝化溴代苯酚的方法，涉及光催化有机合成和精细化工领域。具体以可见光为能源，亚硝酸盐为硝化试剂，银掺杂胍基修饰氮化碳为催化剂，在乙腈和水的溶剂中，选择性硝化二溴代苯酚制得兼有溴代和硝基官能团的苯酚中间体。与传统硝化工艺相比，本发明未采用硝酸、硫酸、乙酸、氟磺酸等强酸体系，生产工艺之环境责任小，无需加热且仅在常温进行，能直接利用自然界普遍之可见光资源，以廉价易得之亚硝酸盐为硝化试剂，条件温和且选择性高，符合现代绿色化学的要求。

세륨- 및 지르코늄-기재 혼합 산화물

지르코늄, 세륨, 란탄, 및 선택적으로 세륨 및 란탄 이외의 적어도 1종의 희토류를 포함하고 높은 내열성을 나타내며 구체적으로 심지어 높은 온도 환경에서도 큰 비표면적을 유지할 수 있는 적어도 세륨 및 지르코늄 기재 혼합 산화물을 포함하는 조성물이 개시되어 있다. 또한, 이러한 조성물의 합성 방법이 개시되어 있다.

Verfahren zur Herstellung von Katalysatorsystemen

Verfahren zur Herstellung eines Katalysatorsystems (10), das Verfahren umfassend:Bereitstellen eines katalytischen Substrats (20) mit einem Katalysatorträger (14) mit einer Oberfläche mit einer Vielzahl daran gebundener metallkatalytischer Nanopartikel (12), wobei die metallkatalytischen Nanopartikel (12) eines oder mehrere von Ruthenium, Rhodium, Palladium, Osmium, Iridium und Platin, Rhenium, Kupfer, Silber und Gold umfassen; undphysikalisches Mischen des katalytischen Substrats (20) mit einer Vielzahl von Oxidbeschichtungs-Nanopartikeln (18), um eine Beschichtung (16) von Oxidbeschichtungs-Nanopartikeln (18) auf der Oberfläche der metallkatalytischen Nanopartikel (12) bereitzustellen, wobei das physikalische Mischen das Mischen durch Kugelmahlen, Mischen durch Vermahlen, akustisches Mischen oder Theta-Zusammensetzung und die Oxidbeschichtungs-Nanopartikel (18) ein oder mehrere Oxide aus Aluminium, Cer, Zirkon, Titan, Silizium, Magnesium, Barium, Lanthan, Eisen, Strontium und Calcium umfassen.

耦合型光催化剂、光催化剂复合体、耦合型光催化剂的制造方法和氢的制造方法

本发明提供一种具有比现有的耦合型光催化剂高的催化活性的耦合型光催化剂。本发明还提供在基材上具有上述耦合型光催化剂的光催化剂复合体、上述耦合型光催化剂的制造方法和使用上述耦合型光催化剂或上述光催化剂复合体的氢的制造方法。本发明的耦合型光催化剂在产氢光催化剂与产氧光催化剂之间具有固体介质，上述固体介质与上述产氧光催化剂的电子捕集面选择性地耦合。

Junction photocatalyst, photocatalyst composite, method for producing junction photocatalyst, and method for producing hydrogen

The present invention provides a heterojunction photocatalyst having higher photocatalytic activity than that of a conventional heterojunction photocatalyst. Further, the present invention provides a photocatalyst composite having the heterojunction photocatalyst on a substrate, a method for producing the heterojunction photocatalyst, and a method for producing hydrogen using the heterojunction photocatalyst or the photocatalyst composite. The heterojunction photocatalyst of the present invention has a solid mediator between a hydrogen-evolution photocatalyst and an oxygen-evolution photocatalyst, and the solid mediator is selectively joined to an electrons collecting surface of the oxygen-evolution photocatalyst.

가시광 감응형 광촉매 조성물 및 이를 포함하는 가시광 감응형 광촉매 필름

본 발명은 가시광 감응형 광촉매 조성물 및 이를 포함하는 가시광 감응형 광촉매 필름에 관한 것으로서, 보다 상세하게는 자외선뿐만 아니라 가시광선, 태양광선 및 실내등에서도 대기 중의 유기물을 산화시켜 분해하는 촉매특성을 가지며, 유해물질의 제거, 탈취, 살균작용 등을 수행할 수 있고, 시인성을 부여할 수 있는 가시광 감응형 광촉매 조성물 및 이를 포함하는 가시광 감응형 광촉매 필름에 관한 것이다.

一种光催化复合材料及其制备方法和应用

本发明涉及光催化剂技术领域，公开了一种光催化复合材料及其制备方法和应用。该光催化复合材料包括基体材料以及负载在所述基体材料上的金属单质银，其中，所述基体材料为掺杂有氮元素和钾离子的二氧化钛纳米微球。另外，光催化复合材料的制备方法包括：(1)将草酸钛钾、水、乙二醇、N,N‑二甲基甲酰胺和硝酸银混合，得到混合溶液；(2)将混合溶液进行水热反应，离心、洗涤、干燥，得到光催化复合材料。本发明所制得的光催化复合材料用于光催化还原CO 2 制备甲烷。该方法简单有效，所制备的光催化复合材料具有高稳定性和活性，制甲烷效率高达110μmol/g/h。

Silver-cerium oxide composite catalyst supported on an alkaline carrier and method for producing the same

Conventionally, a silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle has been synthesized through a multi-stage process, and is disadvantageous not only in that there is a need to use an organic solvent and a surfactant, causing the time and cost to be increased, but also in that there is a possibility that fulminating silver is formed, leading to a problem about the safety. A method for producing a catalyst having a silver-cerium oxide composite and an alkaline carrier having supported thereon the oxide composite, the silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle, the method having preparing a mixture containing a silver compound, a cerium compound, and an alkaline carrier, and drying the mixture is provided.

耦合型光催化剂、光催化剂复合体、耦合型光催化剂的制造方法和氢的制造方法

本发明提供一种具有比现有的耦合型光催化剂高的催化活性的耦合型光催化剂。本发明还提供在基材上具有上述耦合型光催化剂的光催化剂复合体、上述耦合型光催化剂的制造方法和使用上述耦合型光催化剂或上述光催化剂复合体的氢的制造方法。本发明的耦合型光催化剂在产氢光催化剂与产氧光催化剂之间具有固体介质，上述固体介质与上述产氧光催化剂的电子捕集面选择性地耦合。

具有自清洁催化活性表面的家用器具及其操作方法

本发明涉及一种家用器具(1)，其具有至少一个含有至少一个活性氧(ROS)发生器的自清洁催化活性表面(17)，其中，所述至少一个ROS发生器选自由式(I)、(II)或(III)表示的化合物组成的组；Ag‑B‑M‑硫(I)，其中，B选自Al、Ga、In、Sn、Tl、Pb和Bi组成的组，M选自Ti、Zr、Cr、Mo、Mn、Fe、Ru、Ni、Pd、Cu、Zn和Cd组成的组；MO q ‑A(II)，其中，q＝2或3，M选自由Zr、Ti、Cr、Mo、W和Mn组成的组；A是选自由式(A)表示的化合物组成的组的乙酰丙酮化物或其衍生物，其中，R 1 、R 2 和R 3 独立地选自由H、Cl、Br、I和C 1 ‑C 80 烃和聚合物自由基组成的组。YSe‑R x ‑MO 2 (III)，其中，Y选自Sn或Pb；R x 是碳同素异形体；M选自由Zr、Ti、Cr、Mo、W和Mn组成的组。

一种光催化选择性硝化溴代苯酚的方法

本发明为一种光催化选择性硝化溴代苯酚的方法，涉及光催化有机合成和精细化工领域。具体以可见光为能源，亚硝酸盐为硝化试剂，银掺杂胍基修饰氮化碳为催化剂，在乙腈和水的溶剂中，选择性硝化二溴代苯酚制得兼有溴代和硝基官能团的苯酚中间体。与传统硝化工艺相比，本发明未采用硝酸、硫酸、乙酸、氟磺酸等强酸体系，生产工艺之环境责任小，无需加热且仅在常温进行，能直接利用自然界普遍之可见光资源，以廉价易得之亚硝酸盐为硝化试剂，条件温和且选择性高，符合现代绿色化学的要求。

一种光催化复合材料及其制备方法和应用

本发明涉及光催化剂技术领域，公开了一种光催化复合材料及其制备方法和应用。该光催化复合材料包括基体材料以及负载在所述基体材料上的金属单质银，其中，所述基体材料为掺杂有氮元素和钾离子的二氧化钛纳米微球。另外，光催化复合材料的制备方法包括：(1)将草酸钛钾、水、乙二醇、N,N‑二甲基甲酰胺和硝酸银混合，得到混合溶液；(2)将混合溶液进行水热反应，离心、洗涤、干燥，得到光催化复合材料。本发明所制得的光催化复合材料用于光催化还原CO 2 制备甲烷。该方法简单有效，所制备的光催化复合材料具有高稳定性和活性，制甲烷效率高达110μmol/g/h。

一种氢气高效转化为水的方法及装置

本发明涉及一种氢气转化为水的方法，尤其涉及一种氢气高效转化为水的方法及装置。克服现有单独利用氧化物催化剂存在的温度高或者氧化物催化剂利用率低，单独利用贵金属催化剂存在的反应过程难以控制以及利用氧化物‑贵金属混合物催化剂存在的只能在无氧气氛下处理少量低浓度的氢气等问题。首先，利用氧化物催化剂，使大部分的氢气转化为水；其次，固态氧气释放剂释放氧气；最后将第一步反应后的气体与第二步释放出的氧气混合，之后通过贵金属催化剂催化，使未反应的氢气在贵金属催化剂的作用下与释放出的氧气发生催化氧化反应转化为水。本发明可在无外加氧气，预热温度较低的条件下，将大量氢气高效转化为水，转化过程安全、可控。

一种高浓度氢气高效转化为水的方法及装置

本发明涉及一种氢气转化为水的方法及装置，尤其涉及一种高浓度氢气高效转化为水的方法及装置。克服现有单独利用氧化物催化剂存在的温度高或者氧化物催化剂利用率低，单独利用贵金属催化剂存在的反应过程难以控制以及利用氧化物‑贵金属混合物催化剂存在的只能在无氧气氛下处理少量低浓度的氢气等问题。首先，利用霍加拉特剂，将大部分的氢气转化为水，并放出氧气；其次，利用贵金属催化剂，进行催化氧化反应，使未反应的氢气转化为水；可在无外加氧气，预热温度较低的条件下，将大量高浓度氢气高效转化为水，转化过程安全、可控。

用于产生长链烃分子的等离激元纳米颗粒催化剂和方法

本申请涉及用于产生长链烃分子的等离激元纳米颗粒催化剂和方法。具体地，本申请涉及一种通过光辐射产生烃分子的等离激元纳米颗粒催化剂，其包含至少一种等离激元供体和至少一种催化特性供体，其中等离激元供体和催化特性供体可相互接触或距离小于200nm，并且由光辐射产生的烃分子的分子组成是温度依赖性的。以及一种利用等离激元纳米颗粒催化剂通过光辐射产生烃分子的方法。

Junction photocatalyst, photocatalyst composite, method for producing junction photocatalyst, and method for producing hydrogen

催化剂浓度和固体活化剂对镍介导的烯烃/二氧化碳与丙烯酸酯偶合的影响

本公开提供丙烯酸和其它a,b‑不饱和羧酸和其盐的合成途径，包括催化方法。举例来说，提供用于产生α,β‑不饱和羧酸或其盐的方法,所述方法包含：(1)使以下以任何顺序接触：第8‑11族过渡金属前体、烯烃、二氧化碳、稀释剂和金属处理的化学改性的固体氧化物，如硫的含氧酸阴离子改性的固体氧化物、磷的含氧酸阴离子改性的固体氧化物或卤离子改性的固体氧化物，以提供反应混合物；和(2)对所述反应混合物施加适合于产生所述α,β‑不饱和羧酸或其盐的反应条件。描述使所述金属处理的化学改性的固体氧化物再生的方法。

具有对在没有还原剂的情况下因蒸汽通过而失活的抗性的预重整催化剂的制备方法、和预重整催化剂

本发明涉及一种制备预重整催化剂的方法，所述催化剂包括钌和氧化铝载体，且具有对在没有还原剂的情况下因蒸汽通过而失活的抗性。此外，根据本发明的Ru/氧化铝催化剂利用添加Ag而变得更耐积碳。

用于制备催化剂体系的方法

本发明提供用于制备催化剂体系的方法，包含：提供催化衬底，催化衬底包括具有与多个金属催化纳米颗粒结合的表面的催化剂载体；以及将催化衬底与多个氧化物涂层纳米颗粒物理混合和/或静电组合，以将氧化物涂层纳米颗粒的涂层提供于催化纳米颗粒的表面上。金属催化纳米颗粒可以是：钌、铑、钯、锇、铱和铂、铼、铜、银和金中的一种或多种。物理组合可以包含通过球磨、共混、声学混合或θ组合物组合，并且氧化物涂层纳米颗粒可以包含铝、铈、锆、钛、硅、镁、锌、钡、镧、铁、锶和钙中的一种或多种氧化物。催化剂载体可以包含铝、铈、锆、钛、硅、镁、锌、钡、铁、锶和钙中的一种或多种氧化物。

聚离子液体负载钌卡宾配合物催化剂及制备方法和其应用

本发明涉及一种聚离子液体负载钌卡宾配合物催化剂及制备方法和其在转移加氢反应中的应用，所述的聚离子液体负载钌卡宾配合物催化剂是以钌卡宾配合物单体和交联剂为原料，经自由基聚合得到，具有高的比表面积以及良好的稳定性能。在催化苯乙酮转移加氢反应制备苯乙醇的应用中，本发明所述聚离子液体负载钌卡宾配合物催化剂表现出优异的催化性能，其催化性能显著高于与之相对应的均相钌配合物单体催化剂。本发明所述聚离子液体负载钌卡宾配合物催化剂可以解决均相催化剂难以分离回收等问题，以及可以克服传统多相催化剂活性低等缺点。

光催化层、光催化体及光催化体的制造方法

本发明提供一种抑制光催化粒子的脱离并且提升光催化性能的光催化层。光催化层10具有表面10a、及与表面10a为相反侧的背面10b。光催化层10包含光催化粒子20及粘合剂30。光催化层10具有含有光催化粒子20的第一区域1、及含有粘合剂30且不含光催化粒子20的第二区域2。光催化粒子20包含氧化钨粒子。光催化粒子20具有与背面10b接触的接触点201。第二区域2的厚度T相对于光催化粒子20的数量平均二次粒径L的比率T/L为0.20以上且0.80以下。

基于铈和锆的混合氧化物

披露了一种组合物，该组合物至少包含基于铈和锆的混合氧化物，该混合氧化物包含锆、铈、镧和任选地至少一种除铈和镧之外的稀土；所述混合氧化物展现出高的耐热性，并且特别是即使在高温环境中也能够保持大的比表面积。还披露了一种用于合成此类组合物的方法。

具有自清洁催化活性表面的家用器具及其操作方法

本发明涉及一种家用器具(1)，其具有至少一个含有至少一个活性氧(ROS)发生器的自清洁催化活性表面(17)，其中，所述至少一个ROS发生器选自由式(I)、(II)或(III)表示的化合物组成的组；Ag‑B‑M‑硫(I)，其中，B选自Al、Ga、In、Sn、Tl、Pb和Bi组成的组，M选自Ti、Zr、Cr、Mo、Mn、Fe、Ru、Ni、Pd、Cu、Zn和Cd组成的组；MO q ‑A(II)，其中，q＝2或3，M选自由Zr、Ti、Cr、Mo、W和Mn组成的组；A是选自由式(A)表示的化合物组成的组的乙酰丙酮化物或其衍生物，其中，R 1 、R 2 和R 3 独立地选自由H、Cl、Br、I和C 1 ‑C 80 烃和聚合物自由基组成的组。YSe‑R x ‑MO 2 (III)，其中，Y选自Sn或Pb；R x 是碳同素异形体；M选自由Zr、Ti、Cr、Mo、W和Mn组成的组。

Method of preparation of perovskite catalyst

A preparation method of perovskite catalyst, represented by the following Chemical Formula 1: La x Ag (1-x) MnO 3 (0.1≦x≦0.9), includes the steps of 1) preparing a metal precursor solution including a lanthanum metal precursor, a manganese metal precursor and a silver metal precursor, 2) adding maleic or citric acid to the metal precursor solution, 3) drying the mixture separately several times with sequentially elevating the temperature in the range of 160 to 210° C., and 4) calcining the dried mixture at 600 to 900° C. for 3 hours to 7 hours.

Catalyst for the epoxidation of alkenes

The present invention relates to a catalyst for the epoxidation of alkenes, comprising silver, rhenium, cesium, lithium, tungsten and sulfur on a support. The present invention further relates to a process for producing the catalyst and the use of the catalyst for the oxidation of alkylenes to alkylene oxides. In addition, the present invention relates to a process for preparing ethylene oxide from ethylene, which comprises the oxidation of ethylene with oxygen in the presence of said catalyst.

Firing (calcination) process and method related to metallic substrates coated with ZPGM catalyst

The effect of firing (calcination) cycle on metallic substrates in ZPGM catalyst systems is disclosed. ZPGM catalyst samples with washcoat and overcoat are separately fired in a normal, slow and fast firing cycles to determine the optimal firing cycling that may provide an enhanced catalyst performance, as well as the minimal loss of washcoat adhesion from the samples.

Systems and methods for providing ZPGM perovskite catalyst for diesel oxidation applications

Diesel oxidation ZPGM catalyst systems using Y 1-x Ag x MnO 3 perovskite are disclosed. The ZPGM catalyst system compositions may include Y 1-x Ag x MnO 3 perovskite in impregnation component and at least one carrier material oxide in washcoat. The ZPGM catalyst system compositions may also include Y 1-x Ag x MnO 3 perovskite co-precipitated in a carrier material oxide as washcoat. The catalyst activity is measured with an inlet gas mixture containing diesel exhaust composition and characterized according to performance in NO oxidation, NO 2 production, NO storage capability and diesel oxidation applications.

一种毫米粒径海绵铁三金属催化剂的制备方法和应用

本发明提供了一种毫米粒径海绵铁三金属催化剂的制备方法，该方法通过采用溶有聚乙烯吡咯烷酮的乙二醇或丙三醇混合水溶液调控铜银双金属修饰s‑Fe 0 的生长过程的选择性，进一步提高铜修饰海绵铁双金属的催化反应活性；解决传统纳米双金属催化剂的分离与循环利用难题，并降低处理成本；通过铜银共修饰s‑Fe 0 反应也进一步提高单独铜修饰s‑Fe 0 存在易腐蚀降低活性等缺陷。

Templated catalyst composition and associated method

A composition includes a templated metal oxide, at least 3 weight percent of silver, and at least one catalytic metal. A method of making and a method of using are included.

Epoxidation methods

A method for the epoxidation of alkylenes is provided. The method makes use of an epoxidation catalyst comprising a support, silver, manganese and greater than 35 ppm sodium. The catalyst is produced by a method comprising impregnating the support with manganese prior to impregnating the support with sodium and impregnating the support with silver prior to, at the same time as, or after impregnation with manganese. A method for using the alkylene oxides for the production of 1,2-diols, 1,2-carbonates, 1,2-diol ethers is also provided.