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    • 1. 发明授权
    • Desulfurization of hydrocarbon streams
    • 烃流的脱硫
    • US5482617A
    • 1996-01-09
    • US286894
    • 1994-08-08
    • Nick A. CollinsMohsen N. Harandi
    • Nick A. CollinsMohsen N. Harandi
    • C10G29/06C10G45/12C10G45/28C10G45/30
    • C10G45/30C10G29/06C10G45/12C10G45/28
    • A process for desulfurizing a hydrocarbon stream which includes at least 50 ppmw sulfur in the form of organic sulfur compounds, and C.sub.5 + hydrocarbons including benzene. The hydrocarbon stream is contacted in the absence of added hydrogen with a fluidized bed of an acidic catalyst having a structure of ZSM-5, ZSM-11, ZSM-22, ZSM-23, ZSM-35, ZSM-48, MCM-22, MCM-36, MCM-49, zeolite Y, zeolite beta or mixtures thereof to convert the organic sulfur compounds to hydrogen sulfide. The catalyst contacts the hydrocarbon stream at a pressure of from 0.0 psig to about 400 psig, a temperature of from about 400.degree. F. to about 900.degree. F., and a weight hourly space velocity of from about 0.1 hr..sup.-1 to about 10.0 hr..sup.-1. Thereafter, the hydrogen sulfide is removed from the hydrocarbon stream.
    • 一种烃流的脱硫方法,其包括有机硫化合物形式的至少50ppmw的硫和包括苯的C5 +烃。 烃流在不存在加氢的情况下与具有ZSM-5,ZSM-11,ZSM-22,ZSM-23,ZSM-35,ZSM-48,MCM-22结构的酸性催化剂的流化床接触 ,MCM-36,MCM-49,沸石Y,沸石β或其混合物,以将有机硫化合物转化为硫化氢。 催化剂在压力为0.0psig至约400psig,温度为约400°F至约900°F,重时空速为约0.1hr.-1至约 10.0小时-1。 此后,从烃流中除去硫化氢。