Continuous process for the production of amorphous sodium alumin

Details Continuous process for the production of amorphous sodium alumin Continuous process for the production of amorphous sodium alumin

1980-03-05

1981-07-14

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

106288B, 423328, C01B 3326, C01B 3328

Patent

active

042786495

ABSTRACT:
A process for the continuous production of an aqueous, alkaline suspension of x-ray amorphous sodium aluminosilicate having a small particle size of at least 99% by volume of a particle size of less than 50.mu., suitable for conversion into zeolite sodium aluminosilicate of the smallest particle sizes, by mixing an aqueous sodium aluminate solution with an aqueous sodium silicate solution in the presence of excess sodium hydroxide solution at a temperature in the range of from 20.degree. to 103.degree. C., where the solutions being mixed have a mathematical total molar ratio of:

REFERENCES:
patent: 2882243 (1959-04-01), Milton
patent: 2904607 (1959-09-01), Mattox et al.
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: 4213874 (1980-07-01), Williams et al.
"Ullmanns Encyklopadie der Technischen Chemie" 4, Auflage, Band 3, pp. 350-352.

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