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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 25. Отображено 25.
02-05-2023 дата публикации

High-toughness corrosion-resistant 316L stainless steel with nano heterogeneous structure and preparation method of high-toughness corrosion-resistant 316L stainless steel

Номер: CN116042978A
Автор: WEI WEI, ZHAO QINGLU, WEI KUNXIA, AN XULONG, WANG DANDAN, LIU XIANGKUI
Принадлежит:

The invention belongs to the field of stainless steel manufacturing, and relates to a nano heterogeneous structure and a preparation method, in particular to high-toughness corrosion-resistant 316L stainless steel with the nano heterogeneous structure and a preparation method of the high-toughness corrosion-resistant 316L stainless steel. The method comprises the steps of uniform heat treatment, room-temperature rolling treatment, annealing treatment and low-temperature rolling treatment. According to the method, a novel microscopic nano heterogeneous structure is prepared, and the novel microscopic nano heterogeneous structure is a composite heterogeneous structure containing nano crystals, nano twin crystals and micro crystals. The stainless steel has the tensile strength ranging from 1400 MPa to 1800 MPa, the elongation at break reaches 15%-30%, the stainless steel shows good corrosion resistance after being soaked in a 1 mol/L hydrochloric acid solution for 120 h, the corrosion rate ...

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Номер записи: 1
18-07-2023 дата публикации

Method for catalytically synthesizing phenyl phosphorus by using ferric trichloride

Номер: CN116444568A
Автор: ALBERT SUN-CHI CHAN, ZHAO QINGLU, MA LIN, ZHANG MENGWEI, LI BING
Принадлежит:

The invention discloses a method for catalytically synthesizing phenyl phosphorus by using ferric trichloride, yellow phosphorus and chlorobenzene are used as raw materials, ferric trichloride is used as a catalyst, the raw materials are heated to 280-400 DEG C in a closed high-pressure reaction kettle, phenyl phosphorus dichloride, diphenyl phosphorus chloride and triphenyl phosphorus are obtained through one-step reaction, and the method is efficient, energy-saving, environment-friendly and safe.

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Номер записи: 2
07-05-2014 дата публикации

Method for recovery and utilization of cobalt in waste and old cobalt-molybdenum sulfur-resistant shift catalysts

Номер: CN103769166A
Автор: QI HUANDONG, BAI ZHIMIN, ZHAO QINGLU, WANG HAO, JIANG JIANBO, XUE HONGXIA
Принадлежит:

The invention relates to a method for recovery and utilization of cobalt in waste and old cobalt-molybdenum sulfur-resistant shift catalysts. The method is characterized by comprising the following steps of crushing the waste and old cobalt-molybdenum sulfur-resistant shift catalyst, dissolving the crushed catalyst by an acid solution so that cobalt in the catalyst is dissolved, carrying out filtration, putting the filtrate into a stirrer, carrying out a precipitation reaction process by aluminum nitrate, magnesium nitrate and sodium carbonate as coprecipitators, carrying out separation by a centrifuge, and carrying out washing to obtain a cobalt-containing predecessor for preparation of a sulfur-resistant shift catalyst. The method has simple processes and a high cobalt recovery rate more than 90%, realizes recovery and utilization of a precious metal resource, and reduces a sulfur-resistant shift catalyst production cost. The sulfur-resistant shift catalyst prepared by the method has ...

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Номер записи: 3
07-05-2014 дата публикации

Sulfur tolerant shift catalyst and preparation method

Номер: CN103769116A
Автор: ZHAO QINGLU, YU HANTAO, BAI ZHIMIN, QI HUANDONG, TIAN ZHAOMING, WANG HAO, JIANG JIANBO, XUE HONGXIA
Принадлежит:

The invention relates to a sulfur tolerant shift catalyst and a preparation method. The sulfur tolerant shift catalyst employs Co and Mo as active components and does not contain potassium and rare earth compounds, and the carrier employs heat-treatment modified attapulgite clay instead of a conventional magnesium aluminium material. During preparation, natural attapulgite clay is subjected to heat treatment instead of acid processing, so that the processing for a waste acid solution is avoided; by employing a mixing-kneading method for preparation, the active compositions are dispersed uniformly and not easy to lose, and the activity stability of the catalyst is increased; and compared with an immersing method of the prior art, the water usage amount for preparation is saved, also the preparation process and the operation process are simplified, and the cost advantage is obvious. The catalyst has relatively high strength, a proper pore structure, good anti-hydration performance and stability ...

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Номер записи: 4
31-12-2014 дата публикации

Gas-state hydrocarbon steam pre-conversion catalyst, and preparation method and application thereof

Номер: CN104248956A
Автор: WANG HAO, JIANG JIANBO, XUE HONGXIA, BAI ZHIMIN, QI HUANDONG, ZHAO QINGLU, LIANG WEIZHONG, ZHAO QIN, YU HANTAO
Принадлежит:

The invention belongs to the technical field of hydrocarbon steam conversion, and concretely relates to a gas-state hydrocarbon steam pre-conversion catalyst, and a preparation method and application thereof. The gas-state hydrocarbon steam pre-conversion catalyst comprises, in terms of oxides, in parts by weight, 19-24 parts of a metal Ni as an active composition, 60-72 parts of MgO as a carrier, and 9-15 parts of Al2O3 as a carrier and an auxiliary agent. Supersonic wave is employed during ageing of the catalyst. The catalyst is suitable for pre-conversion of gas-state hydrocarbon raw material steam, and is used to prepare hydrogen, amino synthetic gas, methanol synthetic gas, carbonyl synthetic gas, city coal gas and the like under the conditions that the temperature is 325-650 DEG C, the water-carbon ratio is 0.5-4.5 mol/mol, the carbon space velocity is 6000 h<-1> or less, and the pressure is in the scope of normal pressure to 4.0 MPa. The catalyst has good low-temperature conversion ...

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Номер записи: 5
26-03-2014 дата публикации

Pyrolysis gasoline nickel system selective hydrogenation catalyst and preparation method thereof

Номер: CN103657670A
Автор: XUE HONGXIA, WANG HAO, JIANG JIANBO, BAI ZHIMIN, ZHAO QINGLU, QI HUANDONG, JIANG XIULING, LIANG WEIZHONG, YU HANTAO
Принадлежит:

The invention provides a pyrolysis gasoline nickel system selective hydrogenation catalyst and a preparation method of the pyrolysis gasoline nickel system selective hydrogenation catalyst and belongs to a catalyst containing metal or metal oxide or hydroxide. The pyrolysis gasoline nickel system selective hydrogenation catalyst is characterized by being provided with a mesopore-macropore or double-mesopore compound pore channel, taking aluminum oxide as a carrier, taking nickel as a main active component, taking molybdenum as an auxiliary active component and taking the metal oxide as an auxiliary agent; the pyrolysis gasoline nickel system selective hydrogenation catalyst is composed of following components in parts by weight: 15-19 parts of nickel oxide, 6.5-20 parts of molybdenum oxide, 2.2-4.5 parts of the auxiliary agent and the balance of the aluminum oxide; the auxiliary agent is one or the combination of more than two of potassium oxide, magnesium oxide and lanthanum oxide. The ...

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Номер записи: 6
26-03-2014 дата публикации

Method for circularly and rapidly pre-vulcanizing sulfur tolerant shift catalyst and carrying out segmental pre-vulcanizing by utilizing sulfur tolerant shift catalyst

Номер: CN103657741A
Автор: BAI ZHIMIN, YU HANTAO, QI HUANDONG, ZHAO QINGLU, WANG MIN, TIAN ZHAOMING, CHEN YIPING, WANG HAO, JIANG JIANBO, GUO JIANXUE, LI WENZHU, GUO JIE
Принадлежит:

The invention relates to a segmental pre-vulcanizing method of a sulfur tolerant shift catalyst in a multi-segment conversion process, particularly relates to a method for rapidly pre-vulcanizing cobalt-molybdenum-series sulfur tolerant shift catalysts and belongs to the technical field of pretreatment of the sulfur tolerant shift catalyst. According to the method, aiming at the situations of the temperature raising and the slow vulcanizing speed caused due to insufficient vulcanizing conditions, a segmental vulcanizing method is utilized, namely the rapid pre-vulcanizing of a first-segment furnace is reinforced to raise the temperature of a subsequent second-segment furnace; first-segment vulcanizing conditions are reinforced to guarantee the vulcanization of the catalyst so as to realize the rapid, efficient and complete vulcanization, meanwhile, the temperature of a subsequent second-segment bed is raised by high-temperature vulcanized gas in a rapid vulcanizing process, and the subsequent ...

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Номер записи: 7
11-11-2009 дата публикации

Production method of corn rice

Номер: CN0101574129A
Автор: QINGLU ZHAO, ZHAO QINGLU
Принадлежит:

The invention relates to a production method of granular food, in particular to granular rice production method taking cereal as the raw material. In order to solve the problems that corn tastes coarse, the household manufacture of corn is troublesome and the boiling takes long time, the invention discloses a production method of corn rice which can be boiled and braised together with rice or other cereal. The production method of corn rice comprises the following steps: firstly, degerminating and peeling off the raw corn; secondly, crushing the degerminated and peeled-off corn to make powdery corn; thirdly, boiling and squeezing the corn powder to form rice grains; and fourthly, drying the rice grains. The corn powder can form jelly like translucent body, therefore, the corn intensity is enhanced, the corn glutinousness is enhanced, and the corn has the characteristics of easy boiling and boiling durability; and when being taking as food, the corn rice can be boiled and braised together ...

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Номер записи: 8
07-05-2014 дата публикации

Protective agent for sulfur tolerant shift catalyst and preparation method thereof

Номер: CN103769234A
Автор: BAI ZHIMIN, YU HANTAO, QI HUANDONG, ZHAO QINGLU, TIAN ZHAOMING, WANG HAO, JIANG JIANBO, XUE HONGXIA
Принадлежит:

The invention relates to a protective agent for a sulfur tolerant shift catalyst. The protective agent comprises a carrier and an active component, and is characterized in that attapulgite clay is used as a main carrier material and added with a powdered solid compound containing magnesium; and the active component is a binary component containing copper and nickel, and added with an active auxiliary agent, which is one or more selected from zinc oxide, iron oxide, chromium oxide, zirconium oxide and corresponding soluble salts thereof. The invention adopts a kneading method to prepare the protective agent, and employs attapulgite clay with wide source and low cost as the raw material. The protective agent not only has the advantages of simple preparation process and low cost, but also has good adsorption detoxification on toxics such as arsenic (As), hydrocyanic acid and carbonyl compounds in the sulfur tolerant shift catalyst. The protective agent can be used in harsh conditions such ...

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Номер записи: 9
05-06-2020 дата публикации

Quick mounting and dismounting device for scaffold jacking nut

Номер: CN0210685350U
Автор: BI ZHIGANG, ZHAO JIAN, LIU CHUANWEN, ZHAO QINGLU, LONG WANSONG, TANG YUANWEN
Принадлежит: SHANDONG DONGTAI ENG CONSULTING CO LTD, SHANDONG DONGTAI ENGINEER CONSULTING CO., LTD.

The utility model relates to the technical field of scaffolds. The quick mounting and dismounting device for the jacking nut of the scaffold comprises a base, including a sleeve, a first wheel buckleinsert is fixedly arranged at one end of the sleeve; the first wheel buckle inserting piece comprises an inserting plate, a buckling groove and a threaded groove. The inserting plate is fixedly connected with the sleeve; a plurality of buckling grooves are fixedly formed in the outer side of the inserting plate; the section of the fastening groove is of a square structure; threaded grooves are formed in the outer sides of the buckling grooves and located in one sides of the inserting plates. A first bayonet is fixedly formed in the end, away from the sleeve, of the inserting plate; a first adjusting sleeve is fixedly arranged at one end, far away from the first wheel buckle insert, of the sleeve; a threaded rod is arranged in the first adjusting sleeve in a threaded mode, a second adjusting ...

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Номер записи: 10
24-06-2009 дата публикации

Chiral polyalcohol and preparation thereof

Номер: CN0101463127A
Автор: LAILAI WANG, XIAOJING JIA, QINGLU ZHAO, WANG LAILAI, JIA XIAOJING, ZHAO QINGLU
Принадлежит:

The invention discloses a chiral polyalcohol and a preparation method thereof. The polyalcohol contains a repeating unit structure of formula (I), number-average molecular weight of the polyalcohol is 1000-10000, n represents the number of chain links of the polyglycol and is an integer from 15 to 150, and R and S represent spatial configurations of carbon atoms in a molecular chain. The chiral polyalcohol has a tactic regional structure, equidistant hydroxyls in an equidistant arrangement in the molecular chain and high tacticity, and the chiral polyalcohol is a novel chiral functional macromolecule and has potential application prospect in the aspect of chiral separation materials.

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Номер записи: 11
31-12-2014 дата публикации

Light-hydrocarbon steam pre-conversion catalyst, and preparation method and application thereof

Номер: CN104248957A
Автор: WANG HAO, JIANG JIANBO, XUE HONGXIA, BAI ZHIMIN, ZHAO QINGLU, QI HUANDONG, LIANG WEIZHONG
Принадлежит:

The invention provides a light-hydrocarbon steam pre-conversion catalyst. The catalyst employs a metal Ni as an active composition, MgO as a carrier and Al2O3 as a carrier and an auxiliary agent, and does not contain silicon and magnesium aluminate spinel. The catalyst compositions comprises, in terms of oxide weight content, 26-34 parts of NiO, 49-64 parts of MgO and 9.4-15 parts of Al2O3. The catalyst is applicable to pre-conversion of light-hydrocarbon raw material steam, and hydrogen, ammonia synthetic gas, methanol synthetic gas, carbonyl synthetic gas, city coal gas and the like are prepared under the technological conditions that the temperature is 350-650 DEG C, the water-carbon ratio is 0.5-4.5 mol/mol, the carbon space velocity is 6000 h<-1> or less and the pressure is in the scope of normal pressure to 4.0 MPa, the catalyst has good low-temperature conversion activity, high strength and strong adaptability to raw materials and technological conditions, and the conversion rate ...

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Номер записи: 12
10-11-2010 дата публикации

Method for asymmetrically carbonizing and synthesizing macromolecular polyketone polymer with chirality function

Номер: CN0101880384A
Автор: WANG LAILAI, CUI YUMING, ZHAO QINGLU, LAILAI WANG, YUMING CUI, QINGLU ZHAO
Принадлежит:

The invention discloses a method for asymmetrically carbonizing and synthesizing a macromolecular polyketone polymer with a chirality function. The method comprises the following step of: reacting the reactants of propylene and carbon monoxide at 40-70 DEG C under the CO pressure of 3-6 M for 16-48 h to asymmetrically carbonize and synthesize the macromolecular polyketone polymer with the chirality function by using a chiral palladium complex by the in-site generation of palladium salts and chiral phosphine ligand as a main catalyst, using Et2O.BF3 as an auxiliary catalyst, using a mixed solvent comprising an organic solvent and methanol as the reaction media. The product polyketone polymer has increased molecular weight, narrow dispersion, improved mol optical rotation, favorable regional regularity and moderate degree of stereoregularity.

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Номер записи: 13
21-05-2014 дата публикации

Soft hanging ladder for power transmission line pole tower

Номер: CN103806830A
Автор: WANG YUCHUAN, WANG HAIMING, LI HAIYONG, ZHENG RUIGUANG, ZHAO QINGLU, SHEN MINGHUI, ZHENG HONGLIN
Принадлежит:

The invention discloses a soft hanging ladder for a power transmission line pole tower. The soft hanging ladder comprises a rope ladder, wherein top ends of two edge ropes of the rope ladder are respectively fixedly provided with a pairs of hanging rings by using hanging ropes and are also respectively fixedly provided with a pair of hanging hooks by using hanging ropes, and the hanging rings and the hanging hooks are in hanging connection with a pedal of a staggered crawling ladder or a flat crawling ladder of the pole tower. The soft hanging ladder can be adapted to various forms of pole tower crawling ladders, and has advantages of portability, durability, easy carrying, easy use, and good safety performance.

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Номер записи: 14
03-12-2014 дата публикации

Corn rice processing method capable of improving content of resistant starch

Номер: CN104171873A
Автор: ZHAO QINGLU
Принадлежит:

The invention provides a corn rice processing method capable of improving the content of resistant starch. The corn rice processing method comprises the following steps: degerming and peeling raw material corn; crushing the corn; adding water into corn flour and carrying out continuous high-temperature cooking and extrusion granulation for two times; improving the gelatinization degree of the corn to be 94%-95% by a heat gelatinization process; conveying corn granules into a spiral vibration and hot air drying tower by wind, and drying the corn granules preliminarily in the tower; conveying the preliminarily-dried corn granules by a vibration conveyor belt, and continuously and repeatedly carrying out cold and heat circulating drying for four times, wherein the content of the resistant starch in a product is increased by alternatively carrying out cold-air dehumidification and heating dehumidification for four times until the content of the dextrinized resistant starch in the product reaches ...

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Номер записи: 15
07-05-2014 дата публикации

Low temperature sulfur-tolerant shift catalyst and preparation method thereof

Номер: CN103769130A
Автор: YU HANTAO, BAI ZHIMIN, QI HUANDONG, ZHAO QINGLU, TIAN ZHAOMING, WANG HAO, JIANG JIANBO, XUE HONGXIA
Принадлежит:

The invention belongs to the technical field of coal chemical industry sulfur-tolerant shift, and particularly relates to a low temperature sulfur-tolerant shift catalyst and a preparation method thereof. The low temperature sulfur-tolerant shift catalyst comprises a carrier and an active component, and is characterized in that attapulgite clay is adopted as the carrier, the carrier is added with a magnesium-containing powdery solid compound and a titanium-containing powdery solid compound, the active component is a metal oxide of Co, Ni and Mo, and an active auxiliary agent is added. The low temperature sulfur-tolerant shift catalyst has characteristics of good structure stability, strong hydration resistance, good low temperature activity, good activity stability, low active component loss rate and long service life, and can meet requirements of the industrial sulfur-tolerant shift work section low temperature condition on the catalyst. In addition, the raw material adopts the attapulgite ...

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Номер записи: 16
18-07-2023 дата публикации

Method for removing free phosphorus in phenyl phosphorus dichloride

Номер: CN116444567A
Автор: YANG DENGGUI, ZHAO QINGLU, MA LIN, ZHOU YINGMING, YUAN XIAOLONG, SONG YINQIANG
Принадлежит:

The invention discloses a method for removing free phosphorus in phenyl phosphorus dichloride, which comprises the following steps: taking phenyl phosphorus dichloride as a medium solvent, heating the free phosphorus and phosphorus pentachloride in a closed reaction kettle to 25-300 DEG C, and stirring to react to obtain phosphorus trichloride; the method is simple, efficient and safe, and the removal rate of free phosphorus can reach 85% or above.

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Номер записи: 17
31-12-2014 дата публикации

Low-temperature hydrocarbon steam conversion catalyst and its preparation method and use

Номер: CN104248958A
Автор: WANG HAO, JIANG JIANBO, XUE HONGXIA, BAI ZHIMIN, QI HUANDONG, ZHAO QINGLU, LIANG WEIZHONG, YU HANTAO
Принадлежит:

The invention belongs to the technical field of hydrocarbon steam conversion and relates to a low-temperature hydrocarbon steam conversion catalyst and its preparation method and use. The low-temperature hydrocarbon steam conversion catalyst is a nickel-magnesium-aluminum system catalyst and utilizes Ni as an active component, MgO and Al2O3 as carriers and Al2O3 as an assistant. The low-temperature hydrocarbon steam conversion catalyst comprises 35-45wt% of NiO and the balance MgO and Al2O3, wherein a mole ratio of Mg/Al is in a range of 1.4-9.0. In a deposition process of preparation of the low-temperature hydrocarbon steam conversion catalyst, supersonic wave is used for reactions. The low-temperature hydrocarbon steam conversion catalyst is suitable for low-temperature conversion of hydrocarbon raw-material steam having a dry point less than 210 DEG C, has good low-temperature conversion activity and high strength, has good adaptability for the raw materials and technical conditions, ...

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Номер записи: 18
26-03-2014 дата публикации

Step-by-step sulfuration method of sulfur tolerant shift catalyst

Номер: CN103657740A
Автор: BAI ZHIMIN, YU HANTAO, QI HUANDONG, ZHAO QINGLU, GUO JIANXUE, TIAN ZHAOMING, CHEN YIPING, WANG HAO, JIANG JIANBO, LI WENZHU, GUO JIE, WANG MIN
Принадлежит:

The invention discloses a step-by-step sulfuration method of a sulfur tolerant shift catalyst, belongs to the technical field of pre-sulfuration treatment of a carbon monoxide sulfur tolerant shift catalyst, and particularly relates to a method for rapidly sulfurating a cobalt-molybdenum series sulfur tolerant shift catalyst. Specific to the condition of insufficient sulfuration condition after a new up-conversion device or old device is reconstructed at present, particularly less warming means, a step-by-step sulfuration method is adopted, namely, a method of rapid pre-sulfuration in a medium-low temperature device and online medium-high temperature short-time intense sulfuration is adopted, thus the sulfuration time is shortened, the sulfuration cost is lowered, and the sulfuration effect achieves a sulfuration effect of a conventional catalyst.

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Номер записи: 19
06-01-2010 дата публикации

N-acetyl-alpha-phenylglycine synthesis method by amide carbonylation reaction

Номер: CN0101619029A
Автор: WANG LAILAI, ZHAO QINGLU, LAILAI WANG, QINGLU ZHAO
Принадлежит:

The invention discloses an N-acetyl-alpha-phenylglycine synthesis method by amide carbonylation reaction which adopts benzaldehyde, acetamide and carbon monoxide as reactants, palladium salt as catalyst and hydrated lithium bromide and acidic functional ionic liquid as cocatalyst to synthesize N-acetyl-alpha-phenylglycine in ionic liquid medium. The method adopts acidic functional ionic liquid instead of strong corrosive sulfuric acid additive so as to reduce the corrosivity of the catalyst system and the method needs no phosphine ligand so that the method achieves the demands of green chemistry and chemical engineering.

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Номер записи: 20
10-03-2010 дата публикации

Method for synthesizing chiral 2-carbonyl-3-phenyl dimethyl glutarate by using tri-carbonylation

Номер: CN0101665432A
Автор: WANG LAILAI, CUI YUMING, ZHAO QINGLU, LAILAI WANG, YUMING CUI, QINGLU ZHAO
Принадлежит:

The invention discloses a method for synthesizing chiral 2-carbonyl-3-phenyl dimethyl glutarate by using tri-carbonylation. In the method, styrene, methanol and carbon monoxide are used as reactants,a chiral palladium complex synthesized in situ by a palladium salt and a chiral ligand(S)-P-PHOS serves as a main catalyst, benzoquinone and toluene sulfonic acid serve as auxiliary catalysts, and thechiral 2-carbonyl-3-phenyl dimethyl glutarate is synthesized b for the tri-carbonylation. The method has the advantages of greatly lowering CO pressure and adopting milder reaction conditions.

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Номер записи: 21
31-12-2014 дата публикации

Sulfur-tolerant shift catalyst and preparation method thereof

Номер: CN104248961A
Автор: ZHAO QINGLU, YU HANTAO, BAI ZHIMIN, QI HUANDONG, TIAN ZHAOMING, WANG HAO, JIANG JIANBO, XUE HONGXIA
Принадлежит:

The invention belongs to the technical field of sulfur-tolerant shifting in coal chemical industry, and concretely relates to a sulfur-tolerant shift catalyst and a preparation method thereof. The sulfur-tolerant shift catalyst employs a cobalt-molybdenum two-composition active composition and a magnesium-aluminium-titanium composite carrier and does not contain alkali metals and rare earth auxiliary agents. In the catalyst raw materials, cobalt oxalate is employed for replacing cobalt nitrate, so that the phenomenon that nitrate radicals are decomposed and release nitrogen oxides in a roasting process is avoided, and cleaning, environment protection and no pollution are realized. In the preparation process, cobalt oxalate, ammonium molybdate, ammonium oxalate and/or ammonium carbonate are dissolved in distilled water through heating and stirring, so that a solution containing both cobalt and molybdenum active compositions is prepared through a one-step method, the solution is directly ...

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Номер записи: 22
07-05-2014 дата публикации

Nickel base selective hydrogenation catalyst, preparation method and application thereof

Номер: CN103769104A
Автор: WANG HAO, JIANG JIANBO, XUE HONGXIA, BAI ZHIMIN, QI HUANDONG, ZHAO QINGLU, LIANG WEIZHONG, YU HANTAO, ZHAO QIN
Принадлежит:

The invention belongs to the technical field of petrochemical industry, and particularly relates to a nickel base selective hydrogenation catalyst for gasoline cracking, a preparation method and an application thereof, wherein the nickel base selective hydrogenation catalyst adopts nickel as an active component, adopts Al2O3 as a carrier, and contains (calculated as the weight of the oxide) 8-20 wt.% of Nio and the balance of Al2O3, the carrier is a theta-Al2O3 and delta-Al2O3 mixed phase carrier, the specific surface area of the catalyst is 110-130 m<2>/g, the pore volume is 0.40-0.45 mL/g, pore size distribution of the catalyst is centralized, the radius of more than 70% of the pores is 5-10 nm, and the average pore radius is 6-8 nm. According to the present invention, the catalyst adopts the metal Ni as the active component, adopts the theta and delta mixed phase alumina as the carrier, has characteristics of a certain gum resistance, a certain arsenic resistance, high hydrogenation ...

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Номер записи: 23
27-05-2009 дата публикации

N-acyl-alpha-aryl amino acid and preparation thereof

Номер: CN0101440043A
Автор: LAILAI WANG, QINGLU ZHAO, WANG LAILAI, ZHAO QINGLU
Принадлежит:

The invention discloses an N-acyl-alpha-aryl amino acid and a preparation method thereof. In the method, aromatic aldehyde, acetamide and carbon monoxide are used as raw materials; ionic liquid is used as a solvent; a catalyst is selected from palladium bromide; a mixture of concentrated sulfuric acid and lithium bromide is used as a catalyst promoter; and acylamide carbonylation reaction is utilized in a catalysis system to synthesize novel N-acyl-alpha-aryl amino acid. The preparation method is environment-friendly and meets the requirement of green chemistry. The N-acyl-alpha-aryl amino acid can be used in synthesizing glycopeptide antibiotic and has potential industrial application value.

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Номер записи: 24
07-05-2014 дата публикации

Low-cost sulfur-tolerant shift catalyst and preparation method thereof

Номер: CN103769154A
Автор: QI HUANDONG, BAI ZHIMIN, ZHAO QINGLU, WANG HAO, JIANG JIANBO, XUE HONGXIA
Принадлежит:

The invention belongs to the technical field of sulfur-tolerant shift, and relates to a low-cost sulfur-tolerant shift catalyst and a preparation method thereof. The catalyst is prepared by performing roasting pretreatment on attapulgite clay for obtaining a carrier, then loading active components such as Mo, Co and Mn, and performing kneading, molding, air drying and roasting. The catalyst comprises the following chemical compositions: in percent by mass, 0.5-1% of CoO, 1-2% of MoO, 1-2% of MnO, and the balance attapulgite clay subjected to roasting pretreatment. According to the technical scheme, the purpose of reducing catalyst production cost is realized, the catalyst is good in stability, has the shit, dust-resisting and position-removing functions, helps to provide a relatively effective utilization approach for wide-source low-cost attapulgite clay, and has good economic benefit and application prospect.

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Номер записи: 25