Zeolite-containing silica-alumina hydrogel catalyst and method o

Details Zeolite-containing silica-alumina hydrogel catalyst and method o Zeolite-containing silica-alumina hydrogel catalyst and method o

1978-04-26

1980-08-26

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252455R, 252455Z, B01J 3702, B01J 2906, B01J 2904

Patent

active

042194466

ABSTRACT:
A specially prepared zeolite-containing silica-alumina hydrogel gives a catalyst that is attrition resistant, more active catalytically, more selective and more stable. The hydrogel is prepared by steps including nozzle mixing of reactants to form a hydrogel, ion exchanging with ammonium, aluminum and rare earth ions, washing, drying and impregnating with rare earths.

REFERENCES:
patent: 2453585 (1948-11-01), Payne et al.
patent: 2900349 (1959-08-01), Schwartz
patent: 3520828 (1970-07-01), Rosinski
patent: 3939058 (1976-02-01), Plank et al.

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