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    • 6. 发明授权
    • Process for making aromatic hydrocarbons using an acid treated zeolite
    • 使用酸处理的沸石制备芳烃的方法
    • US06593503B1
    • 2003-07-15
    • US08695482
    • 1996-08-12
    • An-hsiang WuCharles A. DrakeRalph J. Melton
    • An-hsiang WuCharles A. DrakeRalph J. Melton
    • C07C600
    • C07C6/10C07C2529/40C07C15/02
    • A catalyst composition and a process for converting a hydrocarbon stream such as, for example, gasoline to C6 to C8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition includes an alumina, a silica, and a metal wherein the weight ratio of aluminum to silicon is in the range of from about 0.002:1 to about 0.6:1. The process includes contacting a hydrocarbon stream with the catalyst composition under a condition sufficient to effect the conversion of a hydrocarbon to a C6 to C8 aromatic hydrocarbon. Also disclosed is a process for producing the catalyst composition which includes: (1) contacting a zeolite with an effective amount of an acid under a condition sufficient to effect a reduction in aluminum content of the zeolite to produce an acid-leached zeolite; and (2) impregnating the acid-leached zeolite with an effective amount of a metal compound under a condition sufficient to effect the production of a metal-promoted zeolite.
    • 公开了一种催化剂组合物和将烃流例如汽油转化为C 6至C 8芳族烃如甲苯和二甲苯的方法。 催化剂组合物包括氧化铝,二氧化硅和金属,其中铝与硅的重量比在约0.002:1至约0.6:1的范围内。 该方法包括使烃流与催化剂组合物在足以使碳氢化合物转化为C 6至C 8芳族烃的条件下接触。 还公开了一种生产催化剂组合物的方法,其包括:(1)在足以使沸石的铝含量降低以产生酸浸出的沸石的条件下使沸石与有效量的酸接触; 和(2)在足以产生金属促进的沸石的条件下,用有效量的金属化合物浸渍酸浸出的沸石。
    • 7. 发明授权
    • Hydrocarbon conversion catalyst composition and process therefor and therewith
    • 烃转化催化剂组合物及其工艺及其
    • US06420295B1
    • 2002-07-16
    • US09634492
    • 2000-08-08
    • An-hsiang WuCharles A. Drake
    • An-hsiang WuCharles A. Drake
    • B01J2940
    • B01J37/0203B01J29/061B01J29/40B01J37/086B01J2229/26B01J2229/36B01J2229/42C10G35/095
    • A catalyst composition, a process for producing the catalyst composition, and a hydroconversion process for converting a fluid stream comprising at least one saturated hydrocarbon to C6 to C8 aromatic hydrocarbons such as benzene, toluene, and xylenes are disclosed. The catalyst composition comprises a zeolite and a promoter. The process for producing the composition comprises the steps of: (1) combining a zeolite with a complexing ligand and a promoter compound under a condition sufficient to produce a modified zeolite; and (2) heating the modified zeolite to produce a promoted zeolite. The hydroconversion process comprises contacting a fluid stream with the catalyst composition under a condition sufficient to effect the conversion of a saturated hydrocarbon to a C6 to C8 aromatic hydrocarbon.
    • 公开了一种催化剂组合物,用于制备催化剂组合物的方法和用于将包含至少一种饱和烃的流体流转化为C 6至C 8芳族烃如苯,甲苯和二甲苯的加氢转化方法。 催化剂组合物包含沸石和助催化剂。 制备组合物的方法包括以下步骤:(1)在足以产生改性沸石的条件下将沸石与络合配体和助催化剂化合物结合; 和(2)加热改性沸石以产生促进的沸石。 加氢转化方法包括在足以使饱和烃转化为C6至C8芳族烃的条件下使流体物流与催化剂组合物接触。