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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.
03-04-2013 дата публикации

Method for removing trace hydrocarbon out of aromatic hydrocarbon by utilizing HMCM-41 type mesoporous molecular sieve

Номер: CN103012035A
Автор: Ren Jie, Yuan Haikuan, Jin Hui
Принадлежит:

The invention discloses a method for removing hydrocarbon out of aromatic hydrocarbon by utilizing an HMCM-41 type mesoporous molecular sieve. The method comprises the following steps of allowing aromatic hydrocarbon to contact and react with solid acid catalyst under conditions that the temperature is between 30 and 350 DEG C, the pressure is between 0.1 and 12MPa and the feeding mass space velocity is between 0.1 and 15 hour<-1> to obtain hydrocarbon removed aromatic hydrocarbon, wherein the hydrocarbon is reformed oil, reformed hydrocarbon or aromatic hydrocarbon generated by a steam cracking device. The method is simple in process flow, does not consume hydrogen, and is low in device investment and operation cost; the catalyst is good in activity stability, the device is stable and long in operation time, less hydrocarbon is lost, and operation of frequent switching between reaction and regeneration of the reactor can be avoided; and the catalyst is reproducible to avoid massive waste ...

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Номер записи: 1
03-04-2013 дата публикации

Method for removing micro-quantity alkene in aromatic hydrocarbon

Номер: CN103012034A
Автор: Ren Jie, Yuan Haikuan, Jin Hui
Принадлежит:

The invention discloses a method for removing micro-quantity alkene in aromatic hydrocarbon. The method comprises the following steps of: contacting and reacting the aromatic hydrocarbon with a solid acid catalyst under the condition of temperature of 30-350 DEG C, pressure of 0.1-12MPa and feeding quality airspeed of 0.1-15 h<-1>, so that micro-quantity alkene in the aromatic hydrocarbon undergoes adsorbing, overlapping and alkylation reaction so as to remove the micro-quantity alkene in the aromatic hydrocarbon. The method is simple in process procedure, free of oxygen consumption and low in device investment and operation expense; and the catalyst is good in activity stability, the device is long in stable operation time, the aromatic hydrocarbon loss is small, the frequent switching operation between reactor reaction and regeneration is avoided, and the catalyst can be regenerated, so that a great deal of waste catalyst is prevented from being buried, and the environment is less polluted ...

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Номер записи: 2
05-06-2013 дата публикации

Linear alkyl benzene synthesis method

Номер: CN103130596A
Автор: Dong Ping, Ren Jie, Shao Wei, Jin Hui, Qi Panlun, Yuan Haikuan, Xi Xiaoli, Wang Guizhi, Ma Tongqing, Zhao Guanghui, Tong Huafang, Qin Lihua, Cui Xihong, Jia Yungang, Shao Ronglan, Han Huijun, Zhao Yumei
Принадлежит:

The present invention relates to a linear alkyl benzene synthesis method, which comprises: adopting linear olefin containing 10-14 carbon atoms and benzene as raw materials, conveying into a reactor, and carrying out an alkylation reaction under a catalysis effect of a solid superacid Ni/SO42--SnO2 catalyst to obtain the linear alkyl benzene, wherein the reaction conditions comprise that: a temperature is 10-300 DEG C, a pressure is 0.1-10 MPa, an amount ratio of the benzene to the olefin material is 2-100:1, and a fed material total mass space velocity is 0.1-20 h<-1>. The synthesis method has the following characteristics that: the adopted reactor reaction is stably performed, and an olefin conversion rate is high.

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Номер записи: 3