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    • 10. 发明授权
    • High porosity, high surface area isomerization catalyst and its use
    • 高孔隙率,高表面积异构化催化剂及其用途
    • US5290426A
    • 1994-03-01
    • US932529
    • 1992-08-20
    • Ian A. CodyDavid H. DumfriesArthur H. NealKenneth L. Riley
    • Ian A. CodyDavid H. DumfriesArthur H. NealKenneth L. Riley
    • B01J27/06B01J23/68B01J27/12B01J27/13B01J27/132B01J35/10C10G45/60C10G45/62C10G65/04C10G25/00C10G73/02
    • B01J23/683B01J27/12B01J27/13B01J27/132B01J35/0026B01J35/1019B01J35/1042C10G2400/10
    • A novel, high porosity, high surface area catalyst is disclosed which is useful in wax isomerization processes, especially for the production of high viscosity index, low pour point lubricating oil base stocks or blending stocks. The catalyst contains a catalytically active metal component selected from the group consisting of Group VIB and Group VIII metals, and mixtures thereof, preferably Group VIII metals, and mixtures thereof, more preferably noble Group VIII metals and mixtures thereof, most preferably platinum which catalytically active metal component is present in the range of about 0.01 to 5.0 wt %, and a fluorine content in the range of about 0.01 to about 10.0. The catalyst employs a refractory metal oxide support material, one preferably predominantly (i.e., at least 50 wt %) alumina, most preferably completely alumina, e.g., gamma or eta alumina. The finished catalyst has a porosity, expressed in terms of pore volume, of at least about 0.50 cc/gram and a surface area such that when the porosity is multiplied by the surface area the product obtained is at least about 107, preferably at least about 110, more preferably at least about 115, most preferably at least about 120.
    • 公开了一种新颖的,高孔隙率的高表面积催化剂,其可用于蜡异构化方法,特别是用于生产高粘度指数,低倾点润滑油基础油或混合料。 催化剂含有选自VIB族和VIII族金属的催化活性金属组分及其混合物,优选VIII族金属及其混合物,更优选贵金属VIII族金属及其混合物,最优选催化活性的铂 金属成分的存在量为约0.01〜5.0重量%,氟含量为约0.01〜约10.0。 催化剂使用难熔金属氧化物载体材料,优选主要是(即,至少50重量%)的氧化铝,最优选完全氧化铝,例如γ或η氧化铝。 成品催化剂具有至少约0.50cc /克的孔隙率,以孔体积表示的孔隙率和表面积,使得当孔隙率乘以表面积时,所得产物为至少约107,优选至少约 110,更优选至少约115,最优选至少约120。