Process for separating carbon dioxide and argon from hydrocarbons

    公开(公告)号:US11453653B2

    公开(公告)日:2022-09-27

    申请号:US17259979

    申请日:2019-06-17

    发明人: Jintang Duan

    IPC分类号: C07D301/08 C07D303/04

    摘要: Systems and methods for producing ethylene oxide (EO) are disclosed. Ethylene oxide is produced by direct oxidizing ethylene with oxygen in a reactor. The effluent from the reactor is processed to produce (a) a product stream comprising water and ethylene oxide, (b) a reabsorber overhead stream comprising ethylene, methane, argon, and carbon dioxide, and (c) a carbonate flash gas stream comprising carbon dioxide, ethylene, methane, and water. The reabsorber overhead stream and the carbonate flash gas stream are combined to form a reclaim gas stream. The reclaimed gas stream is separated in a membrane separation unit to remove carbon dioxide and argon, forming a recycle stream comprising primarily ethylene and methane, collectively.

    Packing for reaction tube, reaction tube, and reaction method using same

    公开(公告)号:US10099189B2

    公开(公告)日:2018-10-16

    申请号:US15033749

    申请日:2014-10-30

    发明人: Yuuji Shimasaki

    摘要: In a fixed-bed flow reaction using a multitubular heat exchange type reactor, an object of the present invention is to provide a novel packing for a reaction tube, which can control the reaction ratio in the vicinity of the reaction tube inlet, reduce the load unevenly placed on the catalyst in the reaction region, and distribute the load on the entire catalyst layer, a heat exchange type reactor, and a reaction method using the reaction tube. The packing for a reaction tube of the present invention is characterized in that the volume is continuously or step-by-step decreased from one end part or midway toward the other end part.

    PRODUCTION OF HEXAFLUOROPROPYLENE OXIDE
    6.
    发明申请
    PRODUCTION OF HEXAFLUOROPROPYLENE OXIDE 有权
    六氟丙烯氧化物的生产

    公开(公告)号:US20150073160A1

    公开(公告)日:2015-03-12

    申请号:US14385435

    申请日:2013-03-15

    IPC分类号: C07D301/08

    CPC分类号: C07D301/08 C07D303/08

    摘要: A process for the production of HFPO includes introducing a feedstock comprising HFP and molecular oxygen into a heated reaction zone of a reactor. The reaction zone is at a reaction temperature Tr, where 180° C.≦Tr

    摘要翻译: 用于生产HFPO的方法包括将包含HFP和分子氧的原料引入反应器的加热反应区。 反应区处于反应温度Tr,其中180℃& Tr; 230℃。通过HFP的环氧化使原料反应以产生HFPO。 HFPO从反应区撤出。 将原料引入反应区并将产物从反应区中取出是连续的。