会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 31. 发明申请
    • NOBLE METAL HYDROCRACKING CATALYSTS
    • NOBLE金属氢化催化剂
    • WO98042805A1
    • 1998-10-01
    • PCT/EP1998/001780
    • 1998-03-19
    • B01J21/04B01J29/12B01J35/10B01J37/00C10G47/18
    • C10G47/18B01J21/04B01J29/126B01J35/0026B01J35/0073B01J35/1023B01J35/1038B01J35/1042B01J35/108B01J37/0009
    • A noble metal hydrocracking catalyst which has high selectivity for naphtha range products and a process for its preparation are provided. The hydrocracking catalyst comprises: (a) from 70 to 95 weight percent of a Y zeolite, based on the catalyst having a silica to alumina mole ratio of from 4.8 to less than 6.0, a unit cell constant in the range of 24.50 to 24.57, an Na2O level of less than or equal to 0.25 weight percent; (b) from 10 to 30 weight percent, based on the catalyst of an alumina having a mercury intrusion pore volume in the range from 0.55 to 0.85 cc/g; and (c) from 0.5 to 1 weight percent, based on the catalyst of a noble metal; wherein said hydrocracking catalyst has a dispersivity of the noble metal of equal or greater than 48 % by hydrogen chemisorption measurement, a surface area of greater than or equal to 690 m /g by BET surface area measurement, a compacted bulk density in the range of from 0.40 to 0.58 g/cc, and a mercury pore volume in the range of from 0.4 to 0.7 ml/g.
    • 提供了对石脑油范围产品具有高选择性的贵金属加氢裂化催化剂及其制备方法。 加氢裂化催化剂包括:(a)70至95重量%的Y沸石,基于二氧化硅与氧化铝摩尔比为4.8至小于6.0的催化剂,单位晶胞常数为24.50至24.57, Na2O水平小于或等于0.25重量%; (b)10至30重量%,基于具有0.55至0.85cc / g范围内的汞侵入孔体积的氧化铝的催化剂; 和(c)基于贵金属的催化剂为0.5〜1重量% 其中所述加氢裂化催化剂通过氢化学吸附测量,贵金属的分散性等于或大于48%,表面积大于或等于690m 2 / g,通过BET表面积测量,压实堆积密度 范围为0.40至0.58g / cc,汞孔体积为0.4至0.7ml / g。