Selective demetallation of zeolites and related materials

Details Selective demetallation of zeolites and related materials Selective demetallation of zeolites and related materials

1993-02-01

1994-05-03

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 60, 502208, 502214, B01J 2902, B01J 2904

Patent

active

053088131

ABSTRACT:
A method for demetallating crystalline molecular sieve materials by removing a transition metal in the sieve framework with a complexing agent.

REFERENCES:
patent: 3213033 (1965-10-01), Hindin et al.
patent: 3980586 (1976-09-01), Mitchell
patent: 4734539 (1988-03-01), Lawlor et al.
patent: 4931267 (1990-06-01), Vaughan et al.
patent: 4961836 (1990-10-01), Murphy
Scherzer, Julius, The Preparation and Characterization of Aluminum-Deficient Zeolites, 1984, Symposium Ser. No. 248, Ch. 10, American Chemical Society.

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