Zeolite L preparation

Details Zeolite L preparation Zeolite L preparation

1995-06-07

1997-04-29

Bell, Mark L.

Chemistry of inorganic compounds

Zeolite

423716, 423DIG28, 502 66, 502 70, 502 74, 502 77, C01B 3932

Patent

active

056246560

ABSTRACT:
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.degree. C. to 600.degree. 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.

REFERENCES:
patent: 3356450 (1967-12-01), Heinze
patent: 4381255 (1983-04-01), Nozemacl et al.
patent: 4544539 (1985-10-01), Wortel
patent: 5460796 (1995-10-01), Verduun

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