Dealumination of faujasite-type zeolites using ion exchange resi

Details Dealumination of faujasite-type zeolites using ion exchange resi Dealumination of faujasite-type zeolites using ion exchange resi

1983-08-22

1985-04-23

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

502 79, C01B 3328

Patent

active

045129614

ABSTRACT:
Faujasite-type zeolites of high catalytic activity, low coke-forming property and stable crystalline structure are prepared by using a combination of hydrothermal treatment and ion exchange resin removal of aluminum from the crystalline structure of the zeolites. The process allows for a substantial increase of the silica-to-alumina ratio in the zeolite without detrimentally affecting the strength of the structure.

REFERENCES:
patent: 3442795 (1969-05-01), Kerr et al.
patent: 3493519 (1970-02-01), Kerr et al.
patent: 4093560 (1978-06-01), Kerr et al.

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