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    Production of heavier hydrocarbons from light olefins in multistage catalytic reactors
    7.
    发明授权
    Production of heavier hydrocarbons from light olefins in multistage catalytic reactors 失效
    在多级催化反应器中从轻质烯烃生产较重的烃

    公开(公告)号：US4788366A

    公开(公告)日：1988-11-29

    申请号：US137913

    申请日：1987-12-28

    申请人： Mohsen N. Harandi ,  Hartley Owen ,  Samuel A. Tabak

    发明人： Mohsen N. Harandi ,  Hartley Owen ,  Samuel A. Tabak

    IPC分类号： C10G11/05 ,  C07C2/00 ,  C07C2/12 ,  C10G35/095 ,  C10G50/00 ,  C10L1/06

    CPC分类号： C07C2/00 ,  C07C2/12 ,  C10G50/00 ,  C10L1/06 ,  C07C2529/40

    摘要： A multi-stage catalytic olefin upgrading technique for converting lower olefinic feedstock to heavier liquid hydrocarbon product. The invention provides a fluid bed continuous primary stage reaction zone with shape selective medium pore zeolite oligomerization catalyst particles to convert at least a portion of the lower olefinic components to intermediate olefinic hydrocarbons containing olefinic and aromatic components; cooling primary stage reaction effluent to condense at least a portion of the intermediate hydrocarbons; feeding a second olefinic stream to a serially arranged multi-reactor secondary stage for upgrading lower olefins; quenching partially upgraded secondary stage olefins with primary stage liquid; and further contacting the quenched mixture including aromatics from the primary stage with shape selective medium pore zeolite olgiomerization catalyst in a high pressure fix bed secondary stage distillate mode catalytic reactor at elevated temperature and high prssure to provide a heavier hydrocarbon effluent stream comprising distillate hydrocarbons.

    Production of gasoline from light olefins in a fluidized catalyst reactor system
    8.
    发明授权
    Production of gasoline from light olefins in a fluidized catalyst reactor system 失效
    在流化催化剂反应器系统中从轻质烯烃生产汽油

    公开(公告)号：US5034565A

    公开(公告)日：1991-07-23

    申请号：US248709

    申请日：1988-09-26

    申请人： Mohsen N. Harandi ,  Hartley Owen ,  Samuel A. Tabak

    发明人： Mohsen N. Harandi ,  Hartley Owen ,  Samuel A. Tabak

    IPC分类号： C10G50/00 ,  C10G69/12

    CPC分类号： C10G50/00 ,  C10G69/126

    摘要： A improved process is provided for upgrading light olefins from hydrocarbon cracking, such as light crackate gas containing ethene, propene and other C.sub.1 -C.sub.4 lower aliphatics. The process comprises the steps of: maintaining an oligomerization reactor containing a fluidized bed of zeolite catalyst particles in a low severity reactor bed at oligomerization temperature conditions by passing hot olefinic gas upwardly through the fluidized catalyst bed under throughput rate conditions sufficient to convert at least 50 wt % of lower olefins to hydrocarbons in the C.sub.5 -C.sub.10 range; maintaining turbulent fluidized bed conditions through the fluidized bed by passing fresh ethene-rich feedstream gas upwardly through the fluidized catalyst bed and adding thereto sufficient recycled light byproduct gas to maintain a minimum gas velocity; cooling reaction effluent from the conversion zone to provide light gas byproduct and liquid hydrocarbon reaction product rich in C.sub.5 -C.sub.9 hydrocarbons; and recycling sufficient light byproduct gas recovered from effluent or maintaining turbulent regime gas velocity in the fluidized bed.

    摘要翻译： 提供了一种改进的方法，用于从烃裂解中提取轻质烯烃，如含有乙烯，丙烯和其他C1-C4低级脂肪族的轻质裂解气。 该方法包括以下步骤：在低聚度温度条件下，将含有沸石催化剂颗粒的流化床的低聚反应器保持在低浓度反应器床中，通过使热烯烃气体向上通过流化催化剂床，生产速率条件足以将至少50 wt％的低级烯烃与C5-C10范围内的烃类; 通过使新鲜的富含烯烃的原料气体向上通过流化催化剂床并通过流化床保持湍流流化床条件，并向其中加入足够的再循环的副产物气体以保持最小气体速度; 从转化区冷却反应流出液，提供富含C5-C9烃的轻质副产物和液态烃反应产物; 并回收从流出物回收的足够的轻质副产物气体或维持流化床中的湍流状态的气体速度。

    Multistage catalytic reactor system for production of heavy hydrocarbons
    9.
    发明授权
    Multistage catalytic reactor system for production of heavy hydrocarbons 失效
    用于生产重质烃的多级催化反应器系统

    公开(公告)号：US4919896A

    公开(公告)日：1990-04-24

    申请号：US260348

    申请日：1988-10-20

    申请人： Mohsen N. Harandi ,  Hartley Owen ,  Samuel A. Tabak

    发明人： Mohsen N. Harandi ,  Hartley Owen ,  Samuel A. Tabak

    IPC分类号： C07C2/00 ,  C07C2/12 ,  C10G50/00 ,  C10L1/06

    CPC分类号： C10G50/00 ,  C07C2/00 ,  C07C2/12 ,  C10L1/06 ,  C07C2529/40 ,  C10G2300/1092 ,  C10G2400/04

    摘要： A multi-stage catalytic olefin upgrading reactor system for converting lower olefinic feedstock to heavier liquid hydrocarbon product. The novel apparatus includes a fluid bed continuous primary stage reaction zone with shape selective medium pore zeolite oligomerization catalyst particles to convert at least a portion of the lower olefinic components to intermediate olefinic hydrocarbons containing olefinic and aromatic components; means are provided for cooling primary stage reaction effluent to condense at least a portion of the intermediate hydrocarbons, feeding a second olefinic stream to a serially arranged multi-reactor secondary stage for upgrading lower olefins, quenching partially upgraded secondary stage olefins with primary stage liquid, and further contacting the quenched mixture including aromatics from the primary stage with oligomerization catalyst in a high pressure fixed bed secondary stage distillate mode catalytic reactor at elevated temperature and high pressure to provide a heavier hydrocarbon effluent stream comprising distillate hydrocarbons.

    摘要翻译： 用于将较低级烯烃原料转化为较重液体烃产品的多级催化烯烃改质反应器系统。 该新型装置包括具有形状选择性中孔沸石低聚催化剂颗粒的流化床连续初级反应区，以将至少一部分低级烯烃组分转化为含有烯属和芳族组分的中间体烯烃; 提供了用于冷却初级阶段反应流出物以冷凝至少一部分中间烃的装置，将第二烯烃流进料到串联排列的多级反应器第二级以升级低级烯烃，用初级阶段液体骤冷部分升级的二级烯烃， 并且在高温和高压下将包含初级阶段的淬灭的混合物与低聚催化剂在高压固定床二级馏分模式催化反应器中进一步接触，以提供包含馏出物烃的较重烃流出物流。

    Conversion of NO.sub.x in FCC bubbling bed regenerator
    10.
    发明授权
    Conversion of NO.sub.x in FCC bubbling bed regenerator 失效
    FCC沸腾床再生器中NOx的转化

    公开(公告)号：US5382352A

    公开(公告)日：1995-01-17

    申请号：US963357

    申请日：1992-10-20

    申请人： Allen R. Hansen ,  David L. Johnson ,  Scott A. Stevenson ,  Paul H. Schipper ,  Mohsen N. Harandi

    发明人： Allen R. Hansen ,  David L. Johnson ,  Scott A. Stevenson ,  Paul H. Schipper ,  Mohsen N. Harandi

    IPC分类号： C10G11/18 ,  C10G11/00 ,  C01B21/00

    CPC分类号： C10G11/182

    摘要： Oxides of nitrogen (NO.sub.x) emissions from FCC regenerators in complete CO combustion mode are reduced by degrading regenerator performance to increase the coke on regenerated catalyst. High zeolite content cracking catalyst, regenerated to contain more coke, gives efficient conversion of feed and reduces NO.sub.x emissions from the regenerator. Operating with less catalyst, e.g., 30-60% of the normal amount of catalyst in the bubbling dense bed, can eliminate most NO.sub.x emissions while increasing slightly plant capacity and reducing catalyst deactivation.

    摘要翻译： 通过降低再生器的性能，增加再生催化剂上的焦炭，可以降低FCC再生器在完全CO燃烧模式下的氮氧化物（NOx）排放。 再生含有更多焦炭的高沸石含量裂化催化剂能够有效地转化进料并减少再生器的NOx排放。 以较少的催化剂操作，例如起泡致密床中正常量的催化剂的30-60％可以消除大部分NOx排放物，同时增加轻微的装置容量并减少催化剂失活。