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    • 5. 发明授权
    • Mild hydrocracking catalyst for the production of middle distillates
    • 用于生产中间馏分的轻度加氢裂化催化剂
    • US4857494A
    • 1989-08-15
    • US109592
    • 1987-10-19
    • Nelson P. MartinezRoberto E. GaliassoJose R. VelasquezJuan LujanoCarlos Zerpa
    • Nelson P. MartinezRoberto E. GaliassoJose R. VelasquezJuan LujanoCarlos Zerpa
    • B01J21/12B01J23/85B01J27/188B01J31/02B01J37/02C10G47/12
    • C10G47/12B01J23/85B01J23/883B01J27/188B01J35/002B01J37/0209B01J21/12
    • A catalyst comprises an alumina carrier having a surface concentration as measured by X-Ray Photoelectronic Spectroscopy (XPS) to give values of the Group VIB metal Xs/(A1+X)s of between 4 to 15 where X equals the Group VIB metal and a bulk concentration of between 2.0 to 15.0 wt. % of said Group VIB metal, a surface concentration as measured by X-Ray Photoelectronic Spectroscopy (XPS) to give values of the Group VIII metal Ys/(A1+Y)s of between 2 to 5 where Y equals the Group VIII metal and a bulk concentration of between 1.0 to 4 wt. % of said Group VIII metal, a surface concentration as measured by X-Ray Photoelectronic Spectroscopy (XPS) to give values of phosphorus Ps/(A1+P)s of between 0.1 to 8 and a bulk concentration of between 0.4 to 2 wt. % phosphorus and a surface concentration as measured by X-Ray Photoelectronic Spectroscpy (XPS) to give values of silica SiO.sub.2 /(A1+SiO.sub.2) of between 1 to 10 and a bulk concentration of between 0.1 to 5 wt. % silica and a process for the conversion of heavy hydrocarbon feeds employing said catalyst.
    • 催化剂包括具有通过X射线光电子能谱(XPS)测量的表面浓度的氧化铝载体,以使VIB族金属Xs /(A1 + X)s的值在4至15之间,其中X等于VIB族金属和 体积浓度为2.0至15.0wt。 所述组VIB金属的%,通过X射线光电子能谱(XPS)测量的表面浓度,以使第VIII族金属Ys /(A1 + Y)s的值在2至5之间,其中Y等于第Ⅷ族金属, 体积浓度在1.0至4wt。 所述VIII族金属的%,通过X射线光电子能谱(XPS)测量的表面浓度,以使磷Ps /(A1 + P)s为0.1至8,体积浓度为0.4至2wt。 %磷和通过X射线光电子能谱(XPS)测量的表面浓度,得到二氧化硅SiO 2 /(Al + SiO 2)值为1-10,体积浓度为0.1-5wt。 %二氧化硅和使用所述催化剂转化重质烃进料的方法。