Treated alumina material for fixed hydrofining beds

Details Treated alumina material for fixed hydrofining beds Treated alumina material for fixed hydrofining beds

1988-10-13

1989-09-26

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Sulfur or compound containing same

502208, 502303, 502304, 502306, 502324, 502328, 502331, 502342, B01J 2104, B01J 2110, B01J 2328, B01J 2378

Patent

active

048700444

ABSTRACT:
A hydrotreating process comprises contacting a substantially liquid hydrocarbon-containing feed stream, which contains compounds of sulfur and metals (preferably Ni and/or V), in the presence of a fixed catalyst bed comprising (a) at least one layer of impregnated, substantially spherical alumina-containing particles which have been prepared by a process comprising the steps of impregnating specific starting material with at least one dissolved magnesium compound and then heating the thus impregnated material at about 500.degree.-900.degree. C. for improved crush strength retention. In a preferred embodiment, the fixed catalyst bed further comprises at least one layer (b) of catalyst particles comprising a refractory inorganic carrier and at least one hydrogenation promoter. A composition of matter comprising the impregnated, spherical alumina-containing particles described above, and a process for preparing them are also provided.

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