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    • 48. 发明授权
    • Removal of sulfur from a hydrocarbon stream by low severity adsorption
    • 通过低严重性吸附从烃流中除去硫
    • US5919354A
    • 1999-07-06
    • US855503
    • 1997-05-13
    • Robert Bartek
    • Robert Bartek
    • C10G25/05C10G25/00
    • C10G25/05
    • A process is provided for reducing the sulfur content of a hydrocarbon stream, wherein a hydrocarbon stream containing sulfur constituents is contacted with a sorbent under temperature and pressure conditions of low severity. The sorbent includes a metal-exchanged zeolite selected from a group consisting of Y zeolites, ultra-stable Y zeolites, and mixtures thereof. A preferred sorbent is a fluid catalytic cracking (FCC) catalyst having a rare earth metal exchanged Y zeolite or ultra-stable Y zeolite. The sorbent adsorbs sulfur constituents contained in the hydrocarbon stream upon contact therewith to reduce the sulfur content of the hydrocarbon stream.
    • 提供了一种降低烃流的硫含量的方法,其中含有硫成分的烃物流在低严重度的温度和压力条件下与吸附剂接触。 吸附剂包括选自Y沸石,超稳定Y沸石及其混合物的金属交换沸石。 优选的吸附剂是具有稀土金属交换的Y沸石或超稳定Y沸石的流化催化裂化(FCC)催化剂。 吸附剂在与其接触时吸附烃流中包含的硫成分以降低烃流的硫含量。