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    • 1. 发明授权
    • Highly homogeneous amorphous silica-alumina catalyst composition
    • 高均相无定形二氧化硅 - 氧化铝催化剂组合物
    • US07594992B2
    • 2009-09-29
    • US11248877
    • 2005-12-28
    • Hye Kyung C. TimkenMohammad M. Habib
    • Hye Kyung C. TimkenMohammad M. Habib
    • C10G47/00C10G11/00B01J21/00B01J23/00B01J23/08
    • B01J37/036B01J21/12B01J37/0009C10G11/04C10G45/60C10G47/10C10G49/02
    • Silica-alumina catalyst compositions and to a process for converting hydrocarbonaceous feed using the catalyst are disclosed. The present invention relates to a highly homogeneous, amorphous silica-alumina cogel material, the attributes of which make it especially useful for the Hydroprocessing of hydrocarbonaceous feeds either alone or in combination with other catalysts. This invention relates to a highly homogeneous amorphous silica-alumina catalyst having a surface to bulk silica to alumina ratio (SB ratio) of from about 0.7 to about 1.3, preferably from about 0.8 to about 1.2, more preferably from about 0.9 to about 1.1, and most preferably 1.0 and a crystalline alumina phase present in an amount no more than about 10%, preferably no more than about 5%. A catalyst of the present invention exhibits higher activity and better product selectivity in comparison with other silica-alumina catalysts.
    • 公开了二氧化硅 - 氧化铝催化剂组合物和使用该催化剂转化含烃原料的方法。 本发明涉及高度均匀的无定形二氧化硅 - 氧化铝共凝胶材料,其特性使其特别适用于单独或与其它催化剂组合的烃类进料的加氢处理。 本发明涉及高度均匀的无定形二氧化硅 - 氧化铝催化剂,其具有约0.7至约1.3,优选约0.8至约1.2,更优选约0.9至约1.1的表面与体积二氧化硅与氧化铝的比率(SB比) 最优选为1.0,结晶氧化铝相的含量不超过约10%,优选不超过约5%。 与其它二氧化硅 - 氧化铝催化剂相比,本发明的催化剂表现出更高的活性和更好的产物选择性。