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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 3. Отображено 3.
02-06-2023 дата публикации

Method for degrading lignin through catalytic oxidation of double-salt ionic liquid

Номер: CN116199568A
Автор: WEI LIGANG, FU XU, ZHU XINYU, CUI HEMIN, GAO HAILIAN, AHN KYOUNG-DAE, SHAO GUOLIN, ZHAO XUE, LIU NA, WEI LI, LIANG SUCHEN
Принадлежит:

The invention discloses a method for degrading lignin by catalytic oxidation of double-salt ionic liquid, which is characterized in that the double-salt ionic liquid is used as a catalyst, methanol/ethanol or an aqueous solution thereof is used as a solvent, and the lignin is oxidized and degraded; the double-salt ionic liquid is composed of a bisulfate ionic liquid and a metal salt ionic liquid; the disulfate ionic liquid is prepared from one of 1-butyl-3-methylimidazole disulfate, butyl imidazole disulfate and triethylamine disulfate; the ionic liquid is prepared from one of sodium hydroxide and sodium hydroxide; the metal salt ionic liquid is prepared from one of 1-butyl-3-yl-imidazole ferric chloride salt, 1-butyl-3-yl-imidazole ketone chloride salt, 1-butyl-3-yl-imidazole manganese chloride salt and 1-butyl-3-yl-imidazole cobalt chloride salt, and the metal salt ionic liquid is prepared from one of 1-butyl-3-yl-imidazole ferric chloride salt, 1-butyl-3-yl-imidazole ketone chloride ...

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Номер записи: 1
01-08-2023 дата публикации

Gas chromatographic column using MIL-101 as adsorbent

Номер: CN116510711A
Автор: ZHANG YONGZHI, ZHAO XUE, GAO YINING, MA YING, CUI HEMIN
Принадлежит:

The invention discloses a gas chromatographic column using MIL-101 as an adsorbent, an MIL-101 stationary phase is arranged in the gas chromatographic column, the gas chromatographic column comprises a capillary column or a packed column, and the MIL-101 stationary phase is used for separating lower alkanes. According to the gas chromatographic column taking the MIL-101 as the adsorbent disclosed by the invention, terephthalic acid is taken as organic bridged molecules, trivalent chromium ions are taken as metal ions for coordination to generate a porous coordination polymer, and the polymer is taken as a gas chromatographic stationary phase, so that the separation effect on lower alkanes is improved.

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Номер записи: 2
30-06-2023 дата публикации

Gas-phase capillary column using UiO-66 as adsorbent and manufacturing method and application of gas-phase capillary column

Номер: CN116351405A
Автор: ZHANG YONGZHI, ZHAO XUE, GAO YINING, CUI HEMIN
Принадлежит:

The invention discloses a gas phase capillary column using UiO-66 as an adsorbent and a manufacturing method and application thereof, and the preparation method comprises the following steps: S1, adding zirconium tetrachloride and terephthalic acid into N, N-dimethylformamide, uniformly mixing, and transferring into a closed container; s2, filling a capillary column with the UiO-66 solution, reacting at constant pressure and constant temperature, and cooling to room temperature after the reaction is finished; s3, filling inert gas into the capillary column treated in the step S2 until liquid in the capillary column is blown out; s4, the capillary column treated in the step S3 is loaded into a gas chromatograph, inert gas is introduced, and the capillary column is cooled to the room temperature after aging treatment. According to the gas-phase capillary column with UiO-66 as the adsorbent and the manufacturing method and application of the gas-phase capillary column, a porous coordination ...

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Номер записи: 3