Activation of zeolites

Details Activation of zeolites Activation of zeolites

C - Chemistry, Metallurgy

07

C

252/13, 260/675

C07C 4/06 (2006.01) B01J 29/28 (1985.01)

Patent

CA 1202942

-14- ABSTRACT OF THE DISCLOSURE A method for enhancing the activity of a synthetic crystalline zeolite, including a zeolite having a silica-to-alumina mole ratio greater than 100, which has been synthesized from a reaction mixture containing a diamine as a cation source, is disclosed which involves reacting the zeolite with a dilute aqueous solution of hydrogen fluoride, contacting the hydrogen fluoride reacted zeolite with aluminum chloride, treating the aluminum chloride contacted zeolite by contact with an ammonium salt solution or ammorolysis and calcining the final product.

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