Process for the preparation of high-level ion-exchanged zeolites

Details Process for the preparation of high-level ion-exchanged zeolites Process for the preparation of high-level ion-exchanged zeolites

1985-11-25

1987-05-19

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423331, 423332, 502 85, 502 86, C01B 3328

Patent

active

046666931

ABSTRACT:
A process is provided for achieving a high degree of exchange for zeolites, e.g., Zeolites F and W. After preparation of the ammonium form, the zeolite is contacted with a solution containing the desired metal cation while simultaneously maintaining the pH at between about 9.0 and 12.0 to provide a final product zeolite wherein the desired metal cation will correspond to at least about 0.5 of the total zeolitic cations.

REFERENCES:
patent: 4556550 (1985-12-01), Ross et al.

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