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

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Применить Всего найдено 10. Отображено 10.
31-03-2004 дата публикации

一种含稀土Y的催化裂化催化剂的制备方法

Номер: CN0001485407A
Автор: MU XUHONG, WANG YING, WU JIA, XUHONG MU, YING WANG, JIA WU, 慕旭宏
Принадлежит:

A method of preparing catalytic cracking catalysts containing the rare earth element Y. It comprises : mixing NaY molecular sieve with an ammonium salt-water composition containing 20í½90úÑ ammonium salt by weight at 90degree Cí½160degree C, and making them contact for 10min-10hours, Na2O in the molecular sieve is lowered down to below 2% by weight, contacting the solution containing 2úÑí½10úÑ rare earth salt with the molecular sieve at 70degree Cí½90degree C, the content of RE2O3 is 0.5í½ 15??by weight, then mixing with a carrier, obtaining the catalytic cracking catalysts containing the rare earth element Y. The method could shorten the process, and reduce energy consumption.

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Номер записи: 1
27-08-2020 дата публикации

ALKYLATION REACTION APPARATUS AND REACTION SYSTEM, AND LIQUID ACID-CATALYZED ALKYLATION REACTION METHOD

Номер: WO2020169079A1
Автор: DONG, Minghui, ZONG, Baoning, MU, Xuhong, LUO, Yibin, CHEN, Hua, ZHENG, Jinyu, WEN, Langyou
Принадлежит:

Provided is an alkylation reaction apparatus, characterized by comprising n reactors, wherein in the n reactors, there are m reactors, each of which is provided with three reaction zones as defined below, including a first reactor; in the order of alkylation reaction material flow directions, the three reaction zones are respectively an x reaction zone, a y reaction zone and a z reaction zone; and based on mixing intensities, a mixing intensityy reaction zone > a mixing intensityx reaction zone > a mixing intensityz reaction zone, where n ≥ 1 and n ≥ m. Further provided are an alkylation reaction system comprising the alkylation reaction apparatus and a liquid acid-catalyzed alkylation reaction method using the alkylation reaction apparatus or the alkylation reaction system.

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Номер записи: 2
02-11-2017 дата публикации

MOLECULAR SIEVE, METHOD FOR MANUFACTURE THEREOF, AND APPLICATION THEREOF

Номер: WO2017185820A1
Автор: WANG, Yongrui, ZHU, Jincheng, SUN, Mingyi, MU, Xuhong, SHU, Xingtian
Принадлежит:

Provided are a super-macroporous molecular sieve, method for manufacture thereof, and application thereof. The molecular sieve contains a first oxide and a second oxide, and a possible organic templating agent and water; the first oxide is selected from at least one of silicon dioxide, tin dioxide, titanium dioxide, and zirconium dioxide; the second oxide is selected from at least one of aluminum oxide, boron oxide, iron oxide, gallium oxide, rare-earth oxide, indium oxide, and vanadium oxide. The total specific surface area of the molecular sieve is 400-600 m2/g, and its pore volume is 0.3-0.5 mL/g; it has a sponge structure and opens to coarse pores and/or mesopores on the surface of the sponge structure, and has a columnar crystal morphology. The molecular sieve may be manufactured by using the compound represented in formula (I) as a templating agent. The molecular sieve is capable of adsorbing more/larger molecules, and thus exhibits excellent adsorption/catalysis properties.

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Номер записи: 3
08-05-2014 дата публикации

DIMETHYLSULFOXIDE PREPARATION METHOD

Номер: WO2014067235A1
Автор: SHI, Chunfeng, LIN, Min, SHU, Xingtian, MU, Xuhong, ZHU, Bin
Принадлежит:

Provided is a dimethylsulfoxide preparation method, the method comprising the following steps: 1) bringing hydrogen sulfide in contact with methanol to obtain a mixture containing dimethyl sulfide, and separating the dimethyl sulfide from the mixture; 2) in the presence or absence of a solvent, bringing the dimethyl sulfide obtained in step 1) in contact with at least one oxidant and a catalyst to obtain a mixture containing the dimethylsulfoxide, the catalyst containing at least one titanium silicon molecular sieve. The method of the present invention has a high dimethyl sulfide conversion rate, an effective oxidant utilization rate, and good dimethylsulfoxide selectivity. The method of the present invention uses the titanium silicon molecular sieve as the catalyst, enabling easy separation from the product. Furthermore, the method of the present invention has a mild and easily-controllable reaction condition, thus being particularly suitable for large scale production.

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Номер записи: 4
24-06-2010 дата публикации

PREPARING PROCESS OF METHANOL, DIMETHYL ETHER AND LOWER OLEFIN FROM SYNTHESIS GAS

Номер: WO2010069133A1
Автор: FU, Qiang, ZHANG, Xiaoxin, LUO, Yibin, MU, Xuhong, ZONG, Baoning
Принадлежит:

Disclosed is a preparing process of methanol, dimethyl ether and lower olefin from synthesis gas, which comprises contacting synthesis gas with catalyst under the conditions of the conversion of synthesis gas to methanol, dimethyl ether and lower olefin. The catalyst contains amorphous alloys consisting of M component and X component, wherein the X component is B and/ or P, and the M component is two or more selected from subgroups of IIIA, IVA, VA, IB, IIB, IVB, VB, VIB, VIIB, VIII and lanthanum-series metal element of periodic table of chemical elements. The present method has very high conversion of carbon monoxide, high selectivity of objective product and high utilization ratio of carbon.

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Номер записи: 5
30-07-2020 дата публикации

SOLID ACID CATALYST, PREPARATION THEREFOR AND USE THEREOF

Номер: WO2020151646A1
Автор: LI, Yongxiang, MU, Xuhong, ZHANG, Chengxi, HU, Hexin, FU, Qiang, SHU, Xingtian
Принадлежит:

Disclosed are a solid acid catalyst, a preparation method therefor and the use thereof. The specific volume of a large pore of the solid acid catalyst is approximately 0.30-0.50 ml/g, the ratio of the specific volume of the large pore to the specific length of the catalyst particle is approximately 1.0-2.5 ml/(g·mm), and the ratio of the specific surface area to the length of the catalyst particle is approximately 3.40-4.50 m2/mm, wherein the large pore refers to a pore with a diameter greater than 50 nm. Also disclosed are an alkylation catalyst based on the solid acid catalyst, and the use thereof in an alkylation reaction. The solid acid catalyst and the alkylation catalyst have improved the catalyst life and/or selectivity for trimethylpentane when used in the alkylation reaction of an isoparaffin and an alkene.

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Номер записи: 6
03-06-2010 дата публикации

METHOD FOR PRODUCING METHANOL, DIMETHYL ETHER AND LIGHT OLEFINS FROM SYNTHESIS GAS

Номер: WO2010060279A1
Автор: FU, Qiang, ZHANG, Xiaoxin, LUO, Yibin, MU, Xuhong, ZONG, Baoning
Принадлежит:

A method for producing methanol, dimethyl ether and light olefins from synthesis gas is provided. In the process of the preparation, synthesis gas is in contact with a catalyst. The catalyst contains amorphous alloy which is composed of the first component Al and the second component. The second component is one or more elements selected from ⅠA, ⅢA, ⅣA, ⅤA, ⅠB, ⅡB, ⅣB, ⅤB, ⅥB, ⅦB, Ⅷ and lanthanide and their oxides, moreover, the second component is not Al. The characteristics of the preparation method are that the conversion ratio of CO is high, selectivity of objective product is high and the utilization ratio of carbon is high.

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Номер записи: 7
05-12-2019 дата публикации

NAY MOLECULAR SIEVE WITH ALUMINUM-RICH SURFACE AND PREPARATION METHOD THEREFOR

Номер: WO2019228290A1
Автор: FU, Qiang, LI, Yongxiang, ZHANG, Chengxi, HU, Hexin, MU, Xuhong, SHU, Xingtian
Принадлежит:

A NaY molecular sieve with an aluminum-rich surface and a preparation method therefor. The method comprises the following steps: a, mixing a guide agent with a first silicon source to obtain a first mixture, the molar ratio of components of the guide agent being Na2O:Al2O3:SiO2:H2O=(6-25):1:(6-25):(200-400); b, mixing the first mixture obtained in step a with a second silicon source, an aluminum source and water to obtain a second mixture; and c, performing hydrothermal crystallization on the second mixture obtained in step b, and collecting a solid product, wherein the weight ratio of the first silicon source to the second silicon source is 1:(0.01-12) by SiO2. The prepared NaY molecular sieve has higher aluminum distribution gradient than the conventional molecular sieve from the particle surface to the center.

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Номер записи: 8
17-03-2004 дата публикации

一种己内酰胺加氢精制方法

Номер: CN0001142139C
Автор: MU XUHONG, WANG XUAN, WANG YING, XUHONG MU, XUAN WANG, YING WANG, 慕旭宏
Принадлежит:

... 本发明提供一种己内酰胺加氢精制方法，包括在常规的加氢工艺条件下和一种催化剂存在下将含不饱和杂质的己内酰胺水溶液与氢气接触，其特征在于所说催化剂为含Ni的非晶态合金催化剂，该催化剂的X射线衍射图中在2θ为45±1°处出现一个漫射峰，该催化剂的组成为50-95重量％的Ni、0-30重量％的Al、0-25重量％的P、0-25重量％的Fe、以及0-10重量％的选自由Co、Cr和Mo所组成的组中的一种金属；其中Al、P、Fe、以及Co、Cr或Mo的量不同时为零。本发明提供的方法与现有方法相比，由于催化剂活性高而具有更高的除杂质能力。 ...

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Номер записи: 9
04-02-2004 дата публикации

己二腈加氢制己二胺的方法

Номер: CN0001472190A
Автор: MU XUHONG, CHEN YONGNAN, WANG YI, XUHONG MU, YONGNAN CHEN, YI WANG, 慕旭宏
Принадлежит:

A process for preparing hexanediamine by hydrogenating hexanedinitrile includes such steps as preparing the solution of hexanedinitrile in alcohol, and making the solution in contact with H2 under existance of catalyst in magnetically stabilized-bed reactor. Said catalyst may be the non-crystal alloy catalyst containing Ni as main active component. Its advantages are high hydrogenating effect, low consumption of catalyst, and simple process.

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Номер записи: 10