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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 16. Отображено 16.
05-05-2023 дата публикации

Hydrodesulfurization and denitrification catalyst grading system and hydrodesulfurization and denitrification method

Номер: CN116060052A
Автор: CHEN WENBIN, NIE HONG, LI MINGFENG, LI DADONG, ZHANG LE, JU XUEYAN, DING SHI, XI YUANBING
Принадлежит:

The invention relates to the field of hydrofining, and discloses a hydrodesulfurization and denitrification catalyst grading system and a hydrodesulfurization and denitrification method. The grading system comprises a first catalyst and a second catalyst which are sequentially arranged along a material flow direction; the first catalyst comprises a VIII group metal element, a VIB group metal element and a modified alumina carrier, the pore volume is 0.15-0.5 cm < 3 >/g, the average pore size is 6-15 nm, and the first catalyst is in double-peak pore distribution within the range of 2-6 nm and 8-20 nm; the second catalyst comprises a modified alumina carrier, and a group VIII metal element, a group VIB metal element and a phosphorus element which are loaded on the modified alumina carrier, the pore volume is 0.3-0.55 cm < 3 >/g, the average pore size is 7-15nm, and the pore size is in unimodal pore distribution in a range of 8-20nm; the modified alumina carriers of the two catalysts both ...

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Номер записи: 1
02-05-2023 дата публикации

Hydrofining catalyst as well as preparation method and application thereof

Номер: CN116037177A
Автор: CHEN WENBIN, LIU QINGHE, ZHANG LE, XI YUANBING, JU XUEYAN, DING SHI, ZHANG RUNQIANG
Принадлежит:

The invention relates to the technical field of preparation of hydrofining catalysts, and discloses a hydrofining catalyst as well as a preparation method and application thereof. The hydrofining catalyst comprises at least one metal element in the VIII family, at least one metal element in the VIB family and aluminum oxide, the pore volume of the catalyst is 0.2-0.4 cm < 3 >/g, the average pore size of the catalyst is 6-18 nm, and the pore size of the catalyst is in bimodal pore distribution in the range of 2-6 nm and 8-20 nm. The hydrofining catalyst has the advantages of good stability, high activity and simple preparation process, and has excellent desulfurization and dearomatization effects when being applied to diesel oil.

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Номер записи: 2
25-04-2023 дата публикации

Pyrolysis treatment method and system for waste plastics

Номер: CN116004266A
Автор: ZOU LIANG, JANG CHUL-MIN, WANG SHUQING, XI YUANBING, LI ZIFENG, HOU JILI, LI HONGWEI, WANG ZHIQIANG, XIA GUOFU, XU RUN, CUI LONGPENG, WANG PENGFEI
Принадлежит:

The invention relates to a pyrolysis treatment method and system for waste plastics, and the waste plastics are subjected to segmented dehydration and dechlorination in a waste plastic extrusion dehydration and dechlorination unit to obtain dechlorinated waste plastics. The obtained dechlorinated waste plastics enter a waste plastic impurity removal treatment unit to be in contact with a pretreating agent and solvent oil to be subjected to impurity removal treatment, obtained effluent is subjected to solid-liquid separation to obtain insoluble substances and an impurity-removed plastic-containing solution, the impurity-removed plastic-containing solution enters a pyrolysis unit to be pyrolyzed to obtain pyrolytic oil, the metal content, the chlorine content and the silicon content in the pyrolytic oil are all very low, and the metal content, the chlorine content and the silicon content in the pyrolytic oil are all very low. And the influence of impurities in the waste plastics on a subsequent ...

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Номер записи: 3
05-05-2023 дата публикации

Hydrodesulfurization catalyst suitable for low-pressure condition as well as preparation method and application of hydrodesulfurization catalyst

Номер: CN116060058A
Автор: CHEN WENBIN, LIU QINGHE, YANG QINGHE, XI YUANBING, DING SHI, JU XUEYAN, ZHANG RUNQIANG, GE PANZHU
Принадлежит:

The invention relates to the technical field of catalysts, and discloses a hydrodesulfurization catalyst suitable for a low-pressure condition as well as a preparation method and application of the hydrodesulfurization catalyst. The invention relates to a hydrodesulfurization catalyst suitable for a low-pressure condition. The catalyst comprises at least one group VIII metal element, at least one group VIB metal element, a phosphorus element, an alumina carrier and at least one organic alcohol compound and/or carboxylic acid compound, wherein in terms of P2O5, the content of phosphorus in the catalyst is 2-10wt%; wherein on the basis of the total amount of the catalyst, in terms of oxide, the content of the VIB group metal element is 12-28 wt%; wherein in terms of elements, the atomic ratio of the cobalt element in the group VIII metal elements to the total amount of the group VIII metal elements is not less than 0.8. The catalyst is especially suitable for diesel oil hydrodesulfurization ...

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Номер записи: 4
28-04-2023 дата публикации

Method for preparing jet fuel component by hydrogenation of grease raw material

Номер: CN116024003A
Автор: QU HONGLIANG, WANG LUQIANG, ZHAO YI, DING SHI, LI HONGBAO, HUANG WEIGUO, XI YUANBING
Принадлежит:

The invention relates to a method for preparing a jet fuel component by hydrogenation of a grease raw material, which comprises the following steps of: hydrotreating and purifying the grease raw material, feeding the grease raw material into a hydrocracking unit for hydrocracking reaction, and contacting the reaction effluent of the hydrocracking unit with a hydroisomerization catalyst for reaction, and after the reaction effluent of the hydroisomerization unit is subjected to gas-liquid separation, the obtained liquid-phase material flow is subjected to fractionation to obtain naphtha and jet fuel components. High-quality jet fuel components can be obtained to the maximum extent, the energy consumption is low, and the economic benefits of the device are effectively improved.

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Номер записи: 5
05-05-2023 дата публикации

Hydrofining catalyst grading method and hydrofining method

Номер: CN116060051A
Автор: CHEN WENBIN, NIE HONG, LI MINGFENG, LI DADONG, ZHANG LE, XI YUANBING, JU XUEYAN, ZHANG RUNQIANG
Принадлежит:

The invention relates to the technical field of hydrofining, and discloses a hydrofining catalyst grading method and a hydrofining method. The hydrofining catalyst grading method comprises the following steps: sequentially filling a first hydrogenation catalyst and a second hydrogenation catalyst along a material flow direction; the filling volume ratio of the first hydrogenation catalyst to the second hydrogenation catalyst is (1: 4)-(4: 1); the first hydrogenation catalyst comprises at least one group VIII metal element, at least one group VIB metal element and aluminum oxide, and the pore diameter of the first hydrogenation catalyst is in bimodal pore distribution in the range of 2-6 nm and 8-20 nm; the second hydrogenation catalyst comprises aluminum oxide as well as a VIII group metal element and a VIB group metal element which are loaded on the aluminum oxide, and the pore diameter of the second hydrogenation catalyst is in unimodal pore distribution in a range of 8-20nm. According ...

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Номер записи: 6
16-06-2004 дата публикации

一种生产低硫汽油的方法

Номер: CN0001504546A
Автор: XI YUANBING, XIONG ZHENLIN, SHI YULIN, YUANBING XI, ZHENLIN XIONG, YULIN SHI, 习远兵
Принадлежит:

A process for preparing low-sulfur oil comprises, slicing the gasoline raw material into light and heavy distillate, contacting the heavy fraction and hydrogen gas with hydrodesulphurization catalyst for selective hydrogenation desulfurizing reaction, mixing the exudates separated by hydrogenation produced oil through high pressure separator with the light distillate, and contacting the hydrogen gas and hydrodesulphurization alcohol catalyst for hydrogenation desulfurizing reaction, separating the reaction exudates to obtain lighter hydrocarbons and gasoline products, and circulating the hydrogen-rich gas.

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Номер записи: 7
02-05-2023 дата публикации

Hydrodenitrification catalyst as well as preparation method and application thereof

Номер: CN116037178A
Автор: CHEN WENBIN, ZHANG LE, LIU QINGHE, ZENG SHUANGQIN, XI YUANBING, DING SHI, JU XUEYAN
Принадлежит:

The invention relates to the technical field of hydrogenation catalysts and discloses a hydrodenitrification catalyst as well as a preparation method and application thereof. The hydrodenitrification catalyst comprises a VIII group metal element, a VIB group metal element and a modified alumina carrier, the pore volume is 0.15-0.5 cm < 3 >/g, the average pore size is 6-15 nm, and the pore size of the catalyst is in bimodal pore distribution in the range of 2-6 nm and 8-20 nm; the modified alumina carrier contains a weakly acidic component. The hydrodenitrogenation catalyst has high hydrodenitrogenation activity, is especially suitable for treating inferior diesel oil fractions, and can effectively reduce the nitrogen content in the inferior diesel oil fractions.

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Номер записи: 8
02-06-2023 дата публикации

Porous material as well as preparation method and application thereof

Номер: CN116196891A
Автор: LI HUIFENG, WANG WEI, YANG QINGHE, XI YUANBING
Принадлежит:

The invention relates to a porous material and a preparation method and application thereof. The porous material comprises an aluminum oxide core and porous carbon layers distributed on the outer surface of the aluminum oxide core and the inner wall of a pore channel, and based on the total weight of the porous material, the content of the aluminum oxide core is 10-40 wt%, preferably 20-30 wt%; the content of the porous carbon layer is 60-90% by weight, preferably 70-80% by weight. The invention provides a novel porous material which has a large specific surface area and a large pore volume and can be used as an adsorbent, a catalyst or a catalyst carrier. The preparation method of the porous material has the advantages of being simple in technological process and low in cost, and is suitable for industrial large-scale production.

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Номер записи: 9
05-05-2023 дата публикации

Regeneration method of spent catalyst

Номер: CN116060079A
Автор: CHEN WENBIN, LIU QINGHE, DING SHI, XI YUANBING, JU XUEYAN, WANG YIFAN
Принадлежит:

The invention relates to the field of catalyst regeneration, and discloses a regeneration method of a spent catalyst, and the aperture of an original catalyst of the spent catalyst is in unimodal pore distribution in a range of 8-20nm; the to-be-removed component in the spent catalyst comprises at least one of carbon deposit, sulfide and nitrogen-containing organic matter; the regeneration method comprises the following steps: firstly, carrying out a temperature programming oxidation test on a to-be-regenerated catalyst, determining the peak appearance number and peak appearance temperature of a to-be-removed component, and then, carrying out segmented roasting on the to-be-regenerated catalyst according to the peak appearance number and the peak appearance temperature. According to the regeneration method of the catalyst, decomposition of all components in the spent catalyst can be promoted, excessive roasting or insufficient roasting is prevented, and the activity recovery degree of the ...

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Номер записи: 10
02-05-2023 дата публикации

Hydrogenation catalyst suitable for high-temperature section, preparation method and application thereof, and hydrodesulfurization method

Номер: CN116037174A
Автор: CHEN WENBIN, LIU QINGHE, ZHANG LE, JU XUEYAN, DING SHI, XI YUANBING, ZHANG RUNQIANG
Принадлежит:

The invention relates to the technical field of catalyst preparation, and discloses a hydrogenation catalyst suitable for a high-temperature section, a preparation method and application thereof, and a hydrodesulfurization method. The hydrogenation catalyst suitable for the high-temperature section comprises aluminum oxide, VIII group metal elements, VIB group metal elements and phosphorus element, wherein the VIII group metal elements, the VIB group metal elements and the phosphorus element are loaded on the aluminum oxide, and the pore diameter of the catalyst is in unimodal pore distribution within the range of 8-20 nm; the composition of the catalyst is represented by (Xiai). (Yibi). (Zici). Sup, the catalyst satisfies that the value of (ai/rho Xi + bi/rho Yi + ci/rho Zi)/SAsup is 0.18-0.39 nm, rho Xi, rho Yi and rho Zi are the density of the VIB group metal oxide, the density of the VIII group metal oxide and the density of P2O5 respectively, and SAsup is the specific surface area ...

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Номер записи: 11
02-05-2023 дата публикации

Hydrogenation catalyst containing modified alumina carrier, preparation method and application thereof, and hydrodenitrogenation method

Номер: CN116037087A
Автор: CHEN WENBIN, LIU QINGHE, ZHANG LE, ZENG SHUANGQIN, JU XUEYAN, XI YUANBING, DING SHI, ZHANG RUNQIANG
Принадлежит:

The invention relates to the technical field of catalysts, and discloses a hydrogenation catalyst containing a modified alumina carrier, a preparation method and application thereof, and a hydrodenitrogenation method. The hydrogenation catalyst containing the modified alumina carrier comprises the modified alumina carrier, and a VIII group metal element, a VIB group metal element and a phosphorus element which are loaded on the modified alumina carrier, and the aperture of the catalyst is in unimodal pore distribution in a range of 8-20nm; the composition of the catalyst is represented by (Xiai). (Yibi). (Zici). Sup, and the catalyst meets the condition that the value of (ai/rho Xi + bi/rho Yi + ci/rho Zi)/SAsup is 0.2-0.39 nm; the modified alumina carrier contains a modified weak acid component. The catalyst is especially suitable for hydrodenitrogenation treatment in diesel fractions, and has good hydrodenitrogenation activity.

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Номер записи: 12
02-06-2023 дата публикации

Method for preparing porous material, porous material and application of porous material

Номер: CN116196892A
Автор: LI HUIFENG, WANG WEI, YANG QINGHE, XI YUANBING
Принадлежит:

The invention relates to a method for preparing a porous material, the porous material and application of the porous material. The method comprises the following steps: carrying out pre-oxidation treatment on asphalt powder to obtain pre-oxidized asphalt powder; the pre-oxidized asphalt powder, an aluminum source, an organic carbon source and water are evenly mixed, mixed slurry is obtained, and the aluminum source contains alumina powder and/or an alumina powder precursor; the organic carbon source comprises at least one of cellulose ether, an enol polymer or a sugar compound; carrying out hydrothermal treatment on the mixed slurry to obtain a hydrothermal product; performing drying treatment on the hydrothermal product, and performing heat treatment on the dried hydrothermal product to obtain the porous material. The invention provides a novel preparation method of the porous material, and the method has the advantages of simple process flow and lower cost, and is suitable for industrial ...

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Номер записи: 13
05-05-2023 дата публикации

Jet fuel composition and preparation method thereof

Номер: CN116064112A
Автор: QU HONGLIANG, WANG ZHE, JU XUEYAN, DING SHI, ZHANG RUI, XI YUANBING, LIU QINGHE, XU KAI
Принадлежит:

The invention relates to a jet fuel composition and a preparation method thereof, and the jet fuel composition comprises 5-20% by mass of C9-18 alkane, 75-95% by mass of C9-18 cycloalkane and less than or equal to 7% by mass of C9-18 aromatic hydrocarbon. The jet fuel composition is low in sulfur, nitrogen and aromatic hydrocarbon content and is a clean jet fuel composition. In the preparation method provided by the invention, the catalytic cracking light cycle oil is subjected to hydrotreatment and hydrogenation dearomatization, the reaction product is subjected to gas-liquid separation and fractionation to obtain the jet fuel composition, the high-density jet fuel component can be obtained at lower operation pressure and lower reaction temperature, the energy consumption is low, and the device operation cycle is long.

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Номер записи: 14
02-06-2023 дата публикации

Mesoporous carbon material and preparation method and application thereof

Номер: CN116199204A
Автор: YANG QINGHE, NIE HONG, LI HUIFENG, WANG WEI, XI YUANBING
Принадлежит:

The invention relates to a mesoporous carbon material as well as a preparation method and application thereof, the mesoporous carbon material contains a carbon element, an oxygen element, a hydrogen element, a sulfur element, a nitrogen element and a phosphorus element, and the content of the carbon element is 80-90 wt%, preferably 82-88 wt%, based on the total weight of the mesoporous carbon material; the content of the oxygen element is 2-6 wt%, preferably 3-5 wt%; the content of the hydrogen element is 0.1 to 1 weight percent, preferably 0.2 to 0.8 weight percent; the content of the sulfur element is 1-8 wt%, preferably 2-6 wt%; the content of the nitrogen element is 0.5 to 3 weight percent, preferably 1 to 2.5 weight percent; the content of the phosphorus element is 0.5-10% by weight, preferably 1-6% by weight. The invention provides a novel mesoporous carbon material which has a larger probable pore diameter (more than 6nm) and can be used as an adsorbent, a catalyst or a catalyst ...

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Номер записи: 15
05-05-2023 дата публикации

Regeneration method of catalyst to be regenerated and activity recovery method of catalyst to be regenerated

Номер: CN116060053A
Автор: CHEN WENBIN, LIU QINGHE, DING SHI, XI YUANBING, JU XUEYAN, WANG YIFAN
Принадлежит:

The invention relates to the technical field of catalyst regeneration, and discloses a regeneration method of a to-be-regenerated catalyst and an activity recovery method of the to-be-regenerated catalyst. The method comprises the following steps: (1) determining a peak appearance result of a to-be-removed substance in a to-be-regenerated catalyst through a temperature programmed oxidation method; and (2) carrying out temperature programming roasting on the catalyst to be regenerated according to a peak result measured in the step (1). According to the regeneration method of the catalyst, the to-be-regenerated catalyst is subjected to segmented roasting according to the peak appearance temperature of the to-be-removed substances of the to-be-regenerated catalyst in the test result of the temperature programmed oxidation method, decomposition of all components in the to-be-regenerated catalyst can be promoted, excessive roasting or insufficient roasting is prevented, and the regeneration ...

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Номер записи: 16