Method for purifying biphenyl
    1.
    发明授权
    Method for purifying biphenyl 失效
    净化苯乙烯的方法

    公开(公告)号:US3705203A

    公开(公告)日:1972-12-05

    申请号:US3705203D

    申请日:1970-11-23

    申请人: DOW CHEMICAL CO

    发明人: SMITH WILLIAM E

    IPC分类号: C07C7/148 C07C7/00

    摘要: Biphenyl contaminated with methylbiphenyls may be purified by heating the crude biphenyl to a melt, oxidizing the methylbiphenyls to their corresponding acids by passing air or oxygen through the melt, and removing the acids formed through distillation.

    摘要翻译: 用甲基联苯污染的联苯可以通过将粗联苯加热至熔体来纯化,通过使空气或氧气通过熔体将甲基联苯氧化成相应的酸,并除去通过蒸馏形成的酸。

    Selective CO oxidation for acetylene converter feed CO control
    8.
    发明授权
    Selective CO oxidation for acetylene converter feed CO control 失效
    乙炔转化器CO选择CO氧化控制

    公开(公告)号:US08431094B2

    公开(公告)日:2013-04-30

    申请号:US13563067

    申请日:2012-07-31

    IPC分类号: B01J8/04 C07C7/148 C07C7/167

    摘要: A system and process for acetylene selective hydrogenation of an ethylene rich gas stream. An ethylene rich gas supply comprising at least H2S, CO2, CO, and acetylene is directed to a first treatment unit for removing H2S and optionally CO2 from the gas stream. A CO oxidation reactor is used to convert CO to CO2 and form a CO-depleted gas stream. A second treatment unit removes the CO2 from the CO-depleted gas stream and an acetylene selective hydrogenation treats the CO-depleted gas stream.

    摘要翻译: 乙炔选择氢化富乙烯气流的系统和方法。 包含至少H 2 S,CO 2,CO和乙炔的富含乙烯的气体供应被引导至用于从气流中除去H 2 S和任选的CO 2的第一处理单元。 使用CO氧化反应器将CO转化为CO 2并形成CO-贫化的气流。 第二处理单元从CO排出的气流中除去CO 2,并且乙炔选择性氢化处理CO-贫化的气流。