Cascade reboiling of ethylbenzene/styrene columns
    3.
    发明授权
    Cascade reboiling of ethylbenzene/styrene columns 失效
    乙苯/苯乙烯柱的级联再沸腾

    公开(公告)号:US06171449B2

    公开(公告)日:2001-01-09

    申请号:US09100433

    申请日:1998-06-19

    Inventor: Vincent A. Welch

    Abstract: Apparatus and process are disclosed for the distillation separation of styrene monomer from ethylbenzene utilizing a split feed to two distillation columns in conjunction with cascade reboiling utilizing thermal energy from the overhead of one column to supply heat to the second.

    Abstract translation: 公开了用于将苯乙烯单体从乙苯蒸馏分离的设备和方法,其利用分离进料至两个蒸馏塔,结合使用来自一塔塔顶馏出物的热能从而向第二塔供热的级联再沸腾。

    EB/SM splitter heat recovery
    4.
    发明授权
    EB/SM splitter heat recovery 有权
    EB / SM分流器热回收

    公开(公告)号:US07642390B2

    公开(公告)日:2010-01-05

    申请号:US10517734

    申请日:2003-06-05

    Abstract: Improved methods and related apparatus are disclosed for efficiently recovering the heat of condensation from overhead vapor produced during separation of various components of dehydrogenation reaction effluent, particularly in ethylbenzene-to-styrene operations, by the use of at least a compressor to facilitate azeotropic vaporization of an ethylbenzene and water mixture within a preferred range of pressure/temperature conditions so as to minimize undesired polymerization reactions.

    Abstract translation: 公开了改进的方法和相关装置,用于通过使用至少一个压缩机来有效地回收在脱氢反应流出物的各种组分分离期间产生的塔顶蒸气中的冷凝热,特别是在乙苯至苯乙烯操作中,以促进共沸汽化 在优选的压力/温度条件范围内的乙苯和水混合物,以使不期望的聚合反应最小化。

    Radial flow reactor
    5.
    发明授权
    Radial flow reactor 失效
    径流反应堆

    公开(公告)号:US06620386B1

    公开(公告)日:2003-09-16

    申请号:US09486667

    申请日:2000-06-02

    Inventor: Vincent A. Welch

    Abstract: Apparatus for radial flow reactor and methods of using the reactor for catalytic hydrocarbon processing. The reactor, of annular shaped housing, contains a core region with a heat exchange means. The core region is surrounded by a catalyst bed held by inner and outer walls. The core region and radial catalyst bed are further surrounded by an annular zone containing heat exchange means.

    Abstract translation: 用于径向流动反应器的设备和使用反应器进行催化烃处理的方法。 环形壳体的反应器包含具有热交换装置的芯区域。 核心区域由内壁和外壁保持的催化剂床围绕。 核心区域和径向催化剂床进一步被包含热交换装置的环形区域围绕。

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