PROCESS FOR THE PREPARATION OF STYRENE AND/OR A SUBSTITUTED STYRENE
    2.
    发明申请
    PROCESS FOR THE PREPARATION OF STYRENE AND/OR A SUBSTITUTED STYRENE 审中-公开
    制备苯乙烯和/或取代苯乙烯的方法

    公开(公告)号:US20090187055A1

    公开(公告)日:2009-07-23

    申请号:US12331867

    申请日:2008-12-10

    IPC分类号: C07C1/20

    摘要: The invention relates to a process for the preparation of styrene and/or a substituted styrene from a feed containing 1-phenylethanol and 2-phenylethanol and/or a substituted 1-phenylethanol and a substituted 2-phenylethanol, comprising a gas phase dehydration of the feed at elevated temperature in the presence of a catalyst comprising particles of alumina having a multimodal pore size distribution.

    摘要翻译: 本发明涉及一种由含有1-苯基乙醇和2-苯基乙醇和/或取代的1-苯基乙醇和取代的2-苯基乙醇的原料制备苯乙烯和/或取代的苯乙烯的方法,该方法包括 在包含具有多峰孔径分布的氧化铝颗粒的催化剂的存在下在高温下进料。

    Reactor System and Process for the Manufacture of Ethylene Oxide
    8.
    发明申请
    Reactor System and Process for the Manufacture of Ethylene Oxide 审中-公开
    用于制造环氧乙烷的反应器系统和工艺

    公开(公告)号:US20090234144A1

    公开(公告)日:2009-09-17

    申请号:US11886800

    申请日:2006-03-20

    IPC分类号: C07D301/10 B01J8/06

    摘要: A reactor system for the epoxidation of ethylene, which reactor system comprises an elongated tube having an internal tube diameter of more than 40 mm, wherein contained is a catalyst bed of catalyst particles comprising silver and a promoter component deposited on a carrier, which promoter component comprises an element selected from rhenium, tungsten, molybdenum and chromium; a process for the epoxidation of ethylene comprising reacting ethylene with oxygen in the presence of the catalyst bed contained in the reactor system; and a method of preparing ethylene glycol, an ethylene glycol ether or an ethanol amine comprising obtaining ethylene oxide by the process for the epoxidation of ethylene, and converting the ethylene oxide into ethylene glycol, the ethylene glycol ether, or the ethanol amine. Preferably, the internal tube diameter is at least 45 mm.

    摘要翻译: 一种用于乙烯环氧化的反应器系统,该反应器系统包括内管直径大于40mm的细长管,其中包含催化剂床的催化剂床,所述催化剂颗粒包含银和沉积在载体上的助催化剂组分,该促进剂组分 包括选自铼,钨,钼和铬的元素; 一种乙烯环氧化方法,包括在反应器系统中包含的催化剂床存在下使乙烯与氧反应; 以及制备乙二醇,乙二醇醚或乙醇胺的方法,包括通过乙烯环氧化方法获得环氧乙烷,并将环氧乙烷转化为乙二醇,乙二醇醚或乙醇胺。 优选地,内管直径至少为45mm。