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    • 4. 发明申请
    • REFORMING PROCESS WITH CATALYST PRETREATMENT
    • 用催化剂预处理改造工艺
    • WO1998030657A1
    • 1998-07-16
    • PCT/US1997021486
    • 1997-11-19
    • CHEVRON CHEMICAL COMPANY LLC
    • CHEVRON CHEMICAL COMPANY LLCWILSON, Charles, R.HOLTERMANN, Dennis, L.
    • C10G35/095
    • C23C30/00B01J8/008B01J19/02B01J29/62B01J2219/0236C10G35/095Y10S502/521
    • A catalytic reforming process using a halided zeolite catalyst containing platinum in a metal-coated reactor system where, prior to catalyst loading and reforming, halide acid is removed from the catalyst. The process comprises providing a reforming reactor system having a metal coating; providing a halided zeolite catalyst containing platinum prepared by a method which includes removing volatile halide acid; loading said catalyst into said reactor system; and catalytically reforming hydrocarbons to aromatics, wherein metal from the metal-coated reactor system does not deactivate the catalyst. The coating metal preferably comprises tin and the zeolite catalyst is preferably a platinum L-zeolite catalyst. The invention is also a method for reducing catalyst contamination from a metal which was used to coat a reactor system. The method comprises pretreating a halided catalyst with hydrogen to remove volatile halide acid. The resulting catalyst is then loaded into a metal-coated reactor system and hydrocarbons are converted.
    • 在金属涂覆的反应器系统中使用含有铂的卤化沸石催化剂的催化重整方法,其中在催化剂负载和重整之前,从催化剂中除去卤化物酸。 该方法包括提供具有金属涂层的重整反应器系统; 提供含有铂的卤化沸石催化剂,其通过包括除去挥发性卤酸的方法制备; 将所述催化剂装载到所述反应器系统中; 并将烃催化重整成芳族化合物,其中来自金属涂覆的反应器系统的金属不使催化剂失活。 涂层金属优选包含锡,并且沸石催化剂优选为铂L-沸石催化剂。 本发明也是用于减少用于涂覆反应器系统的金属的催化剂污染的方法。 该方法包括用氢去除卤化催化剂以除去挥发性卤酸。 然后将所得催化剂装载到金属涂覆的反应器系统中并转化烃。