Hydroalkylation process
    3.
    发明授权
    Hydroalkylation process 有权
    氢化烷基化工艺

    公开(公告)号:US09090528B2

    公开(公告)日:2015-07-28

    申请号:US14375967

    申请日:2012-11-30

    摘要: In a process for producing phenol, benzene is hydroalkylated with hydrogen in the presence of a catalyst under conditions effective to produce a hydroalkylation reaction product comprising cyclohexylbenzene and cyclohexane. At least a portion of the cyclohexane from said hydroalkylation reaction product is then dehydrogenated to produce a dehydrogenation effluent comprising benzene, toluene and hydrogen. At least a portion of the dehydrogenation effluent is washed with a benzene-containing stream to transfer at least a portion of the toluene from the dehydrogenation effluent to the benzene-containing stream.

    摘要翻译: 在生产苯酚的方法中,在有效产生包含环己基苯和环己烷的加氢烷基化反应产物的条件下,在催化剂存在下,用氢加氢苯。 然后将来自所述加氢烷基化反应产物的至少一部分环己烷脱氢以产生包含苯,甲苯和氢的脱氢流出物。 至少一部分脱氢流出物用含苯物流洗涤,将至少一部分甲苯从脱氢流出物转移到含苯物流中。

    REDUCED FLUIDIZATION OF SOLID PARTICLES IN RADIAL FLOW FLUID/SOLID CONTACTING
    4.
    发明申请
    REDUCED FLUIDIZATION OF SOLID PARTICLES IN RADIAL FLOW FLUID/SOLID CONTACTING 审中-公开
    径向流体/固体接触中固体颗粒的减少流动

    公开(公告)号:US20140249022A1

    公开(公告)日:2014-09-04

    申请号:US14279913

    申请日:2014-05-16

    申请人: UOP LLC

    IPC分类号: B01J38/30

    摘要: Apparatuses and methods are disclosed for contacting radially flowing fluids with solid particles (e.g., catalyst) with reduced tendency for fluidization of the particles, and especially a sealing portion of the particles at the top of a particle retention zone disposed between screens at upstream and downstream positions relative to radial fluid flow. Fluidization is reduced or eliminated by offsetting openings of the screens in the axial direction, such that upstream openings in the upstream screen are above highest downstream openings in a downstream stream. The offset in openings imparts a downward flow component to radially flowing fluid, thereby reducing solid particle fluidization without the need to induce a specific pressure drop profile along the entire axial direction of the screens.

    摘要翻译: 公开了用于使径向流动的流体与固体颗粒(例如催化剂)接触的装置和方法,其具有降低的颗粒流化趋势,特别是在位于上游和下游的筛网之间的颗粒保留区顶部的颗粒的密封部分 相对于径向流体流动的位置。 通过在轴向上偏移筛网的开口来减少或消除流化,使得上游筛管中的上游开口在下游流中的最高下游开口上方。 开口中的偏移量向径向流动的流体施加向下的流动分量,从而减少固体颗粒流化,而不需要沿着筛网的整个轴向方向引起特定的压降分布。

    REDUCED FLUIDIZATION OF SOLID PARTICLES IN RADIAL FLOW FLUID/SOLID CONTACTING
    5.
    发明申请
    REDUCED FLUIDIZATION OF SOLID PARTICLES IN RADIAL FLOW FLUID/SOLID CONTACTING 有权
    径向流体/固体接触中固体颗粒的减少流动

    公开(公告)号:US20110319691A1

    公开(公告)日:2011-12-29

    申请号:US12824431

    申请日:2010-06-28

    IPC分类号: C07C5/333 B01J38/12 C10G35/04

    摘要: Apparatuses and methods are disclosed for contacting radially flowing fluids with solid particles (e.g., catalyst) with reduced tendency for fluidization of the particles, and especially a sealing portion of the particles at the top of a particle retention zone disposed between screens at upstream and downstream positions relative to radial fluid flow. Fluidization is reduced or eliminated by offsetting openings of the screens in the axial direction, such that upstream openings in the upstream screen are above highest downstream openings in a downstream stream. The offset in openings imparts a downward flow component to radially flowing fluid, thereby reducing solid particle fluidization without the need to induce a specific pressure drop profile along the entire axial direction of the screens.

    摘要翻译: 公开了用于使径向流动的流体与固体颗粒(例如催化剂)接触的装置和方法,其具有降低的颗粒流化趋势,特别是在位于上游和下游的筛网之间的颗粒保留区顶部的颗粒的密封部分 相对于径向流体流动的位置。 通过在轴向上偏移筛网的开口来减少或消除流化,使得上游筛管中的上游开口在下游流中的最高下游开口上方。 开口中的偏移量向径向流动的流体施加向下的流动分量,从而减少固体颗粒流化,而不需要沿着筛网的整个轴向方向引起特定的压降分布。

    Method of operating a dehydrogenation reactor system
    7.
    发明申请
    Method of operating a dehydrogenation reactor system 失效
    操作脱氢反应器系统的方法

    公开(公告)号:US20050080306A1

    公开(公告)日:2005-04-14

    申请号:US10897248

    申请日:2004-07-22

    摘要: Described is a method for operating and shutting down a dehydrogenation reactor that contains a volume of dehydrogenation catalyst. After termination of the introduction of a dehydrogenation feed into the dehydrogenation reactor that is operated under dehydrogenation reaction conditions, a first cooling fluid comprising steam is introduced into the reactor for a first time period sufficient to cool the dehydrogenation catalyst contained in the dehydrogenation reactor to a second temperature. The introduction of the first cooling fluid is terminated followed by the introduction of a second cooling fluid for a second time period sufficient to cool the dehydrogenation catalyst contained in the dehydrogenation reactor to a third temperature that allows for the handling and removal of the dehydrogenation catalyst from the dehydrogenation reactor.

    摘要翻译: 描述了一种用于操作和关闭含有一定体积的脱氢催化剂的脱氢反应器的方法。 在脱氢反应器引入脱氢反应器终止之后,在脱氢反应条件下运行的脱氢反应器中,将包含蒸汽的第一冷却流体引入反应器中第一次足以将脱氢反应器中所含的脱氢催化剂冷却至 第二温度。 第一冷却流体的引入被终止,然后引入第二冷却流体第二时间段,足以将脱氢反应器中所含的脱氢催化剂冷却至允许将脱氢催化剂从 脱氢反应器。

    Process for catalytic dehydrogenation and catalyst therefor
    8.
    发明申请
    Process for catalytic dehydrogenation and catalyst therefor 有权
    催化脱氢方法及其催化剂

    公开(公告)号:US20040110630A1

    公开(公告)日:2004-06-10

    申请号:US10717484

    申请日:2003-11-21

    IPC分类号: B01J029/04 C01G023/00

    摘要: A process for catalytic dehydrogenation of a dehydrogenatable hydrocarbon process stream to the corresponding olefin or olefins, the process comprising contacting the dehydrogenatable hydrocarbon process stream under dehydrogenation conditions with a mesoporous zeotype catalyst having an intra-crystalline, non-crystallographic mesopore system and a mesopore volume of the zeotype crystals above 0.25 ml/g and comprising at least one element belonging to Groups 5-14 in the Periodic Table of the Elements (new notation). The invention also comprises a catalyst for use in the above process.

    摘要翻译: 将可脱氢烃工艺流催化脱氢至相应的烯烃或烯烃的方法,该方法包括使脱氢条件下的可脱氢烃工艺流体与具有晶体内非晶体介孔体系和介孔体积的介孔沸石型催化剂接触 的沸石晶体高于0.25ml / g,并且包含属于元素周期表中的第5-14族的至少一种元素(新符号)。 本发明还包括用于上述方法的催化剂。