Process for the preparation of modified zeolites

Details Process for the preparation of modified zeolites Process for the preparation of modified zeolites

B - Operations, Transporting

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196/152, 252/3

B01J 29/08 (2006.01) C10G 47/16 (2006.01) C10G 49/08 (2006.01)

Patent

CA 1315268

T 5128 A B S T R A C T PROCESS FOR THE PREPARATION OF MODIFIED ZEOLITES Process for the preparation of a modified zeolite of the Y-type by treatment with a solution of a metal salt and a calcina- tion which comprises treating a zeolite of the Y type having an alkali oxide/aluminium oxide molar ratio of at most 0.13 with a solution of a multi-valent metal salt having a cationic radius between 0.6 and 1.0 A and converting the thus treated zeolite by calcination into a product having a unit cell size between 24.21 and 24.65 .ANG.. EKRH04

562734

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