B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
196/130, 252/14,
B01J 20/18 (2006.01) B01J 29/40 (2006.01) B01J 29/44 (2006.01) B01J 29/70 (2006.01) B01J 29/74 (2006.01) B01J 37/10 (2006.01) C07C 2/12 (2006.01) C07C 2/54 (2006.01) C07C 4/06 (2006.01) C07C 5/22 (2006.01) C07C 5/41 (2006.01) C07C 6/00 (2006.01) C07C 6/12 (2006.01) C10G 11/05 (2006.01) C10G 49/08 (2006.01) B01J 29/65 (2006.01)
Patent
CA 1170281
ABSTRACT OF THE DISCLOSURE A method is provided for increasing the catalytic activity of acid zeolite catalysts characterized by a silica to alumina mole ratio of at least 12 and a constraint index within the approximate range of 1 to 12, comprising contacting said zeolite catalysts with water for a sufficient treating time, temperature and water partial pressure to bring about said increased activity. The increase in catalytic activity is within a zone of enhanced activity, said zone is defined as encompassing all those conditions of treating time, temperature and water partial pressure and combination thereof which yield catalytic activities greater than initial catalyst activity. The zeolite of enhanced activity of the method of the present invention can be utilized in improved acid catalyzed hydrocarbon conversion processes such as cracking, hydrocracking, alkylation, dealkylation, transalkylation, isomarization, dimerization, oligomerization, polymerization, addition, disproportionation, aromatization and hydration.
370214
Haag Werner O.
Lago Rudolph M.
Kirby Eades Gale Baker
Mobil Oil Corporation
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