Preparation of zeolites 4A and/or 13X

Details Preparation of zeolites 4A and/or 13X Preparation of zeolites 4A and/or 13X

1984-09-21

1987-04-28

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423328, 502 60, 502 79, C01B 3328

Patent

active

046613340

ABSTRACT:
Zeolites well suited for detergency, e.g., zeolites of type A, are adopted for mass production by simultaneously continuously introducing both an aqueous solution of sodium silicate and an aqueous solution of sodium aluminate into an unagitated first reaction zone to effect the continuous intimate admixture thereof, continuously transferring intimate admixture from said first reaction zone to a second zone of gelation to effect the continuous homogeneous gelling thereof, the time of retention of said intimate admixture in said first reaction zone being less than that period of time required for the gelation thereof, and thence effecting crystallization of a zeolite from said homogeneous gel.

REFERENCES:
patent: 4160011 (1979-07-01), Estes et al.
patent: 4248847 (1981-02-01), Derleth et al.
patent: 4275048 (1981-06-01), Stein et al.
patent: 4278649 (1981-07-01), Christophloemk et al.
patent: 4519933 (1985-05-01), Gresser et al.

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