Silica-modified alumina

Details Silica-modified alumina Silica-modified alumina

B - Operations, Transporting

01

J

196/132, 252/39

B01J 21/12 (2006.01) B01J 21/04 (2006.01) B01J 23/85 (2006.01) B01J 27/188 (2006.01) C10G 45/04 (2006.01) B01J 35/10 (2006.01) B01J 37/03 (2006.01)

Patent

CA 1310626

31996CA ABSTRACT A composition of matter comprising alumina as the major component and silica as a minor component is prepared by a process comprising sequential addition of solutions of aluminum salt and alkali metal aluminate, addition of a solution of alkali metal silicate to dispersed alumina hydrogel and heating formed alumina-silica hydrogel under dehydrating conditions. The thus prepared composition of matter, optionally promoted with at least one transition metal compound, can be used as a catalyst for hydrotreating substantially liquid hydrocarbon-containing feed streams which also contain sulfur and metal compounds as impurities.

561237

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