Silica-alumina hydrogel catalyst

Details Silica-alumina hydrogel catalyst Silica-alumina hydrogel catalyst

B - Operations, Transporting

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252/1.H

B01J 21/12 (2006.01) B01J 21/16 (2006.01) B01J 23/04 (2006.01) B01J 29/08 (2006.01) B01J 37/08 (2006.01) C10G 11/04 (2006.01)

Patent

CA 1140102

#5557 SILICA-ALUMINA HYDROGEL CATALYST Abstract A dense, attrition resistant catalyst is prepared by precipitating a silica alumina hydrogel at high pH, and subsequently reacting the alkaline hydrogel with sufficient acid aluminum salt at a pH below 4 to obtain an acidic hydrogel slurry. The slurry is then processed into a catalyst by spray drying, washing and ion exchanging. The catalyst may include substantial quantities of clay and/or crystalline aluminosilicate zeolites. - 1 -

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