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    Houdriflow cracking process
    141.
    发明授权
    Houdriflow cracking process 失效
    破碎裂纹过程

    公开(公告)号：US3679563A

    公开(公告)日：1972-07-25

    申请号：US3679563D

    申请日：1970-08-07

    申请人： SUN OIL CO

    发明人： POLLOCK ANDRE W

    IPC分类号： B01J8/12 ,  C10G11/16 ,  C10G11/14

    CPC分类号： B01J8/12 ,  C10G11/16

    摘要： IN AN AIRLIFT CATALYTIC CRACKING SYSTEM USING A HIGHLY ACTIVE ZEOLITE CATALYST WHERE THE HYDROCARBON IS CONTACTED BY FALLING CATALYST WHICH FORMS A BED ON A SUPPORTING GRID, THE IMPROVEMENT OF FEEDING HYDROCARBON VAPORS TO THE CRACKING ZONE AND FEEDING A LIQUID PORTION OF THE HYDROCARBON TO A LOWER PORTION OF SAID CATALYST BED WHEREBY COKING ON THE CATALYST IN THE CRACKING ZONE IS REDUCED, AND DEACTIVATION OF THE CATALYST IN THE CRACKING ZONE IS AMELIORATED AND CONVERSION AND YIELDS OF GASOLINE ARE INCREASED.