Preparation of modified zeolites and their utilization

Details Preparation of modified zeolites and their utilization Preparation of modified zeolites and their utilization

B - Operations, Transporting

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260/675, 196/96,

B01J 38/46 (2006.01) B01J 29/40 (2006.01) C07C 1/20 (2006.01) C07C 2/12 (2006.01) C07C 5/27 (2006.01) C07C 6/12 (2006.01)

Patent

CA 1236815

PREPARATION OF MODIFIED ZEOLITES AND THEIR UTILIZATION ABSTRACT A method for modifying the catalytic activity of a crystalline zeolite having a constraint index of 1 to 12 and a silica-to-alumina ratio of 30 to no greater than 300, comprises contacting said zeolite with gaseous boron trifluoride under conditions effective to reduce the alpha activity of the zeolite.

474415

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