Process for the production of crystalline zeolite powder of type

Details Process for the production of crystalline zeolite powder of type Process for the production of crystalline zeolite powder of type

1981-02-24

1982-07-13

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423328, C01B 3328

Patent

active

043394191

ABSTRACT:
There is produced a crystalline zeolite powder of Type A which can be employed as a phosphate substitute in washing agents by a precipitation reaction by a specific sequence in which there are simultaneously added to water in a container a waterglass solution and a sodium aluminate liquor and subsequently in succession a waterglass solution and then sodium aluminate liquor. The crystalline product has an average particle size of 6.7 to 8.mu. as well as a narrow particle size distribution curve.

REFERENCES:
patent: 4041135 (1977-08-01), Williams et al.
patent: 4071377 (1978-01-01), Schwuger et al.
patent: 4073867 (1978-02-01), Roebke et al.
patent: 4248847 (1981-02-01), Derleth et al.
patent: 4303626 (1981-12-01), Strack et al.
patent: 4303627 (1981-12-01), Strack et al.
patent: 4303628 (1981-12-01), Strack et al.
patent: 4305916 (1981-12-01), Strack et al.

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