Zeolite l preparation

Details Zeolite l preparation Zeolite l preparation

B - Operations, Transporting

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252/2, 260/713.4

B01J 29/60 (2006.01) B01J 29/10 (2006.01) C01B 39/32 (2006.01) C07B 61/00 (2006.01) C07C 5/22 (2006.01) C07C 5/32 (2006.01) C07C 5/393 (2006.01) C07C 5/41 (2006.01) C07C 9/14 (2006.01) C07C 13/10 (2006.01) C07C 13/19 (2006.01) C07C 15/06 (2006.01)

Patent

CA 1327561

ABSTRACT ZEOLITE L PREPARATION Binderless zeolite L particles are prepared by a method in which particles are formed from silica and from 0 to 95 wt% preformed zeolite L crystallites, and the particles are thereafter reacted with an alkaline solution comprising a source of alumina to convert the silica binder to zeolite L. These particles may comprise cylindrical zeolite L crystallites with a mean diameter of at least 0.05 micron in a zeolite L matrix and may be used as catalyst. Also acyclic hydrocarbons are dehydrocyclized and/or isomerized by contacting them at a temperature of from 370°C to 600°C with this catalyst incorporating at least one Group VIII metal having dehydrogenating activity to convert at least part of the acyclic hydrocarbons into aromatic hydrocarbons.

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