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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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Применить Всего найдено 2. Отображено 2.
24-06-2015 дата публикации

Deep flue gas purification device for efficient desulphurization and dust removal

Номер: CN104722194A
Автор: GONG YUCHENG, FENG YANLIN, XIE GUANGHUI, LI RONG, YAO CHAOLIANG, HUANG LIMING
Принадлежит:

The invention relates to a deep flue gas purification device for efficient desulphurization and dust removal. The deep flue gas purification device for efficient desulphurization and dust removal comprises an absorption tower, wherein a slurry pool and a flue gas absorption area located above the slurry pool are arranged in the absorption tower; a circulating slurry spray device is arranged at a flue gas inlet; the flue gas absorption area is partitioned into a first absorption area and a second absorption area located at one side of the first absorption area by a partition plate; a flue gas turn-round channel enabling a flue gas to flow to the second absorption area from the first absorption area is arranged between the partition plate and the slurry pool; the first absorption plate is provided with a first slurry spray layer, and the second absorption area is provided with a second slurry spray layer; the first slurry spray layer, the second slurry spray layer and the circulating slurry ...

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Номер записи: 1
30-06-2023 дата публикации

Catalyst for synthesizing deuterated methanol by CO-CO2 system and method for synthesizing deuterated methanol

Номер: CN116351431A
Автор: LONG TAO, CHEN LIN, ZHOU FENG, HU YIMIN, ZHANG WEI, WANG JIAN, YAO CHAOLIANG
Принадлежит:

The invention provides an application of a catalyst in a process of synthesizing deuterated methanol by a CO-CO2 system. The catalyst is prepared by the following steps: coprecipitating a Cu source, a Zn source and an Al source to obtain a precursor, performing an impregnation method on the precursor and a rare earth nitrate solution, and roasting. According to the invention, the catalyst with a specific structure and composition is used in the process of synthesizing deuterated methanol from a CO-CO2 system, and efficient synthesis of deuterated methanol from a D2-CO-CO2 system is realized through rare earth doping and reaction condition optimization; and moreover, the distribution of active elements on the surface of the catalyst is increased through combination of rare earth doping and two-stage roasting, and the conversion rates of D2, CO and CO2 are greatly improved. Meanwhile, the preparation process of the catalyst is short in flow, simple to operate and environment-friendly. The ...

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Номер записи: 2