Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 12. Отображено 12.
23-05-2023 дата публикации

Preparation method of phthalate hydrogenation catalyst

Номер: CN116139876A
Автор: ZHANG JIE, WANG JINLI, WU XUEQI, ZHU YANFANG, XU BENGANG, ZHANG MI
Принадлежит:

The invention belongs to the technical field of catalysis, and particularly relates to a preparation method of a phthalate hydrogenation catalyst. Diatomite modified mesoporous silica is used as a carrier, and then an active component Ru and an active component Ni are respectively loaded on the modified carrier through a precipitation mixing method and a spray impregnation method to obtain a catalyst finished product. The catalyst for hydrogenation of phthalate prepared by the invention is used in a trickle bed reactor, and has the advantages of short reduction activation time, high catalyst activity and good selectivity; after long-time operation, the noble metal Ru in the active component is not lost, and the catalyst is good in stability.

Подробнее
Номер записи: 1
28-04-2023 дата публикации

Preparation method of isothermal methanation catalyst

Номер: CN116020470A
Автор: WANG JINLI, CAI JIN, WU XUEQI, ZHANG JIE, XU BENGANG, ZHANG MI, ZHU YANFANG
Принадлежит:

The invention belongs to the technical field of catalysis, and relates to an isothermal methanation catalyst and a preparation method thereof. A hydrothermal treatment process and a sodium carbonate neutralization process are combined, and the prepared carrier has good specific surface area, pore diameter and heat and mass transfer performance through the synergistic effect of Al, Mg, La, Zn, Zr, Ce, Mn and other multi-metal components. Nitric acid is adopted to modulate the dipping process of a nickel nitrate solution, the active component Ni is highly dispersed in the body, the prepared catalyst has good activity and stability, and the problems that a traditional methane synthesis catalyst is poor in heat and mass transfer performance, poor in stability, poor in mechanical strength, prone to carbon deposition and the like under the condition of an isothermal fixed bed reactor are solved.

Подробнее
Номер записи: 2
14-04-2023 дата публикации

Preparation method of isothermal methanation catalyst

Номер: CN115957768A
Автор: ZHU YANFANG, WANG JINLI, CAI JIN, ZHANG JIE, XU BENGANG, WU XUEQI, ZHANG MI
Принадлежит:

The invention relates to a preparation method of an isothermal methanation catalyst, which comprises the following steps: mixing Ni and Ce metals in proportion, adding the mixture into a sodium carbonate solution, neutralizing, heating, stirring, aging, standing and washing. The preparation method comprises the following steps: grinding silicon oxide and pseudo-boehmite by using a colloid mill to form a silicon-aluminum colloid, adding the active component into the silicon-aluminum colloid, pulping, filtering, drying, roasting, granulating and drying to obtain the isothermal catalyst. The catalyst has good activity stability in an isothermal reaction bed, and the conversion rate of CO and CO2 can reach 99.5% or above. The preparation method is simple in process, green and environment-friendly, the catalyst is lower in reaction temperature, lower in energy consumption, simple to operate, good in stability, easy to produce and low in cost, and the catalyst has high catalytic activity and ...

Подробнее
Номер записи: 3
07-05-2020 дата публикации

PULVERIZED COAL PREPROCESSING METHOD AND PULVERIZED COAL GASIIFYING METHOD

Номер: WO2020088398A1
Автор: WANG, Jinli, CAI, Jin, YU, Yang, YIN, Yusheng, LI, Haitao, ZHU, Yanfang, HUANG, Xianliang, WANG, Huijun, XU, Bengang, ZHANG, Jie, WU, Xueqi, WU, Lin
Принадлежит:

Disclosed are a pulverized coal preprocessing method and a pulverized coal gasifying method. The pulverized coal preprocessing method comprises the following steps: (1) performing pore broadening on pulverized coal to obtain preprocessed pulverized coal; (2) loading alkali metal ions into the preprocessed pulverized coal under an ion exchange condition to obtain alkali metal loaded pulverized coal. The method further comprises loading a chrome complex into the alkali metal loaded pulverized coal obtained in described step (2). In gasification, the pulverized coal loaded with alkali metal potassium and chrome catalysts obtained by the method has the advantages of high sulphur removal rate, high carbon conversion rate, short gasifying reaction time and high methane production.

Подробнее
Номер записи: 4
30-05-2023 дата публикации

Methanation catalyst as well as preparation method and application thereof

Номер: CN116173969A
Автор: ZHANG MI, CAI JIN, WANG JINLI, WU XUEQI, ZHANG JIE, ZHU YANFANG, XU BENGANG
Принадлежит:

The invention relates to the field of methanation catalysts and discloses a methanation catalyst as well as a preparation method and application thereof. The method comprises the following steps: in the presence of a first solvent, a precursor I and a precursor II are contacted with a reducing agent for a reduction reaction, the precursor I is a compound containing a nickel element, and the precursor II is selected from a compound containing a lanthanum element and/or a cerium element; in the presence of a second solvent, mixing the obtained reduction product with a carrier and cellulose to obtain a suspension; and removing the second solvent in the suspension, and roasting the obtained solid in an inert atmosphere to obtain the methanation catalyst, the methanation catalyst comprises a carrier and an active component and an auxiliary agent which are loaded on the carrier, the active component is amorphous nickel, and the auxiliary agent is selected from oxides of La and/or Ce. According ...

Подробнее
Номер записи: 5
14-04-2023 дата публикации

Method for preparing DINCH through hydrogenation of DINP

Номер: CN115959991A
Автор: WU XUEQI, WANG JINLI, CAI JIN, ZHANG JIE, ZHU YANFANG, ZHANG MI, XU BENGANG
Принадлежит:

The invention provides a method for preparing DINCH through DINP hydrogenation, which comprises the following steps: in a reactor of a fixed bed, under the action of a hydrogenation catalyst prepared by loading platinum and rhodium with activated carbon as a carrier, carrying out continuous hydrogenation reduction, and carrying out hydrogenation reduction on DINP to prepare DINCH. The reaction pressure is 6.0-10.0 MPa, the reaction temperature is 160-200 DEG C, the conversion rate of DINP is greater than 95%, and the selectivity of DINCH is greater than 96%. Under optimized conditions, the conversion rate of DINP reaches 98.3%, and the selectivity of DINCH reaches 98.7%.

Подробнее
Номер записи: 6
02-05-2023 дата публикации

Carbon dioxide methanation catalyst as well as preparation method and application thereof

Номер: CN116037125A
Автор: WANG JINLI, WU XUEQI, XU BENGANG, CAI JIN, ZHANG MI, ZHANG JIE, ZHU YANFANG
Принадлежит:

The invention relates to the field of carbon dioxide methanation catalysts, and discloses a carbon dioxide methanation catalyst and a preparation method and application thereof. The catalyst comprises a carrier, an active component and an auxiliary agent, the carrier comprises gamma-Al2O3 and an aluminum-zirconium composite oxide, the active component is nickel, and the auxiliary agent is selected from at least one of ferric oxide, chromic oxide, copper oxide, zinc oxide, cobalt oxide and manganese oxide. The aluminum-zirconium compound in the carrier has good specific surface area and aperture, is beneficial to dispersion of the active component on the carrier and has good heat and mass transfer performance, and the auxiliary agent has a modulation effect on the active component and is beneficial to generation of a carbon dioxide methanation reaction. The prepared catalyst solves the problems that a traditional methane synthesis catalyst is poor in heat and mass transfer performance, poor ...

Подробнее
Номер записи: 7
05-05-2023 дата публикации

Carbon dioxide methanation catalyst as well as preparation method and application thereof

Номер: CN116059990A
Автор: XU BENGANG, CAI JIN, WANG JINLI, WU XUEQI, ZHANG JIE, ZHU YANFANG, ZHANG MI
Принадлежит:

The invention relates to the field of carbon dioxide methanation catalysts, and discloses a carbon dioxide methanation catalyst and a preparation method and application thereof. The catalyst comprises a carrier, an active component and an auxiliary agent, the carrier is an aluminum-calcium composite oxide, the active component is nickel, the auxiliary agent is lanthanum oxide, and the aluminum-calcium composite oxide has a spinel structure. The carbon dioxide methanation catalyst prepared by the invention has the advantages of good dispersibility of active substances, strong binding force between the active substances and the carrier, and difficult formation of nickel agglomeration.

Подробнее
Номер записи: 8
14-04-2023 дата публикации

Methane synthesis catalyst as well as preparation method and application thereof

Номер: CN115957763A
Автор: ZHANG JIE, CAI JIN, WANG JINLI, WU XUEQI, ZHU YANFANG, XU BENGANG, ZHANG MI
Принадлежит:

The invention belongs to the technical field of catalysis, and particularly relates to a slurry reactor methane synthesis catalyst and a preparation method and application thereof. The slurry reactor methane synthesis catalyst comprises a modified silicon dioxide carrier and an active component loaded on the modified silicon dioxide carrier, wherein the specific surface area of the modified silicon dioxide carrier is 270-340 m < 2 >/g, the average pore size is 60-130 nm, and the pore volume is 0.6-1 cm < 3 >/g. The prepared slurry reactor methane synthesis catalyst has high stability under the gas-liquid-solid three-phase condition, the combination degree between the active component and the carrier is high, and the structure-activity relationship is good. The preparation method of the slurry reactor methane synthesis catalyst is simple, good in reproducibility and easy to industrially popularize.

Подробнее
Номер записи: 9
23-05-2023 дата публикации

Copper-based carbon monoxide isothermal shift catalyst and preparation method thereof

Номер: CN116139869A
Автор: WANG JINLI, ZHU YANFANG, XU BENGANG, ZHANG JIE, WU XUEQI, ZHANG MI, CAI JIN
Принадлежит:

The invention discloses a copper-based carbon monoxide isothermal shift catalyst and a preparation method thereof. The catalyst comprises the following components in percentage by weight: 35-50% of copper oxide, 25-40% of zinc oxide, 5-15% of aluminum oxide, 2-10% of structural additive oxide and 1-5% of modified additive oxide. According to the catalyst prepared by the preparation method provided by the invention, a modification auxiliary agent and a structural auxiliary agent are introduced on the basis of Cu, Zn and Al, the structural auxiliary agent metal and Al play a double-carrier role, the heat transfer performance of the catalyst is enhanced, the modification auxiliary agent and the active component Cu play a synergistic catalysis role, the performance of the catalyst is improved, side reactions are inhibited, and the service life of the catalyst is prolonged. And the generation amount of alcohols in a liquid-phase product is reduced.

Подробнее
Номер записи: 10
30-05-2023 дата публикации

Method and system for preparing natural gas through methanation of coke-oven gas

Номер: CN116179248A
Автор: ZHANG MI, CAI JIN, WANG JINLI, WU XUEQI, ZHANG JIE, ZHU YANFANG, XU BENGANG
Принадлежит:

The invention relates to the field of comprehensive application of coal gasification, and discloses a method and a system for preparing natural gas through methanation of coke-oven gas. The method comprises the following steps: in the presence of a catalyst I, carrying out primary isothermal methanation reaction on coke-oven gas; performing first-stage condensation gas-liquid separation on the obtained first-stage reaction gas to obtain a first-stage gas phase and a first-stage liquid phase; mixing the first-stage gas phase with carbon dioxide, and carrying out second-stage isothermal methanation reaction on the obtained mixed gas in the presence of a catalyst II; carrying out second-stage condensation gas-liquid separation on the obtained second-stage reaction gas to obtain methane product gas and a second-stage liquid phase; the catalyst I and the catalyst II are the same or different and are respectively and independently methanation catalysts, each methanation catalyst comprises a carrier ...

Подробнее
Номер записи: 11
14-04-2023 дата публикации

High-heat-resistance copper-based carbon monoxide isothermal shift catalyst and preparation method thereof

Номер: CN115957766A
Автор: WANG JINLI, ZHANG MI, CAI JIN, ZHANG JIE, ZHU YANFANG, XU BENGANG, WU XUEQI
Принадлежит:

The invention belongs to the technical field of catalysts, and particularly relates to a copper-based isothermal shift catalyst for generating carbon dioxide and hydrogen through reaction of carbon monoxide and water vapor and a preparation method of the copper-based isothermal shift catalyst. The catalyst comprises the following components in percentage by weight: 35-50% of copper oxide, 25-40% of zinc oxide, 5-15% of aluminum oxide and 5-15% of structural aid M oxide, M is one or a mixture of more of Cr, Mg, Fe, Mn and Zr, and N is one or a mixture of more of Li, Na, K, Rb, La and Ce. The catalyst is prepared by adopting a coprecipitation method, other structural auxiliaries are added, so that the heat transfer performance of the catalyst is enhanced, the heat resistance is obviously improved, the dispersity of the active component Cu is improved, and the growth of Cu under a high-temperature condition is effectively inhibited, so that the catalyst is suitable for an isothermal shift ...

Подробнее
Номер записи: 12