Removal of contaminants from zeolite mother liquors

Details Removal of contaminants from zeolite mother liquors Removal of contaminants from zeolite mother liquors

1980-09-16

1982-05-18

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423328, C01B 3328

Patent

active

043305180

ABSTRACT:
The contaminants level of a mother liquor can be reduced in the process of forming solutions of sodium aluminate and sodium silicate, adding together the two solutions to produce a reaction mixture comprising a mother liquor and an amorphous sodium aluminosilicate, reacting the reaction mixture to form a zeolite composition containing zeolite A, recovering the zeolite and recycling the mother liquor. This can be done by heating the zeolite A in the reaction mixture to produce a sodalite type product and recovering that sodalite type product as part of the zeolite composition.

REFERENCES:
patent: 2882243 (1959-04-01), Milton
patent: 3058805 (1962-10-01), Weber
patent: 4041135 (1977-08-01), Williams
patent: 4235856 (1980-11-01), Kostinko
patent: 4289629 (1981-09-01), Andrews
Barrer et al., "J. Chem. Soc.", 1952, pp. 1561-1571.
Breck, "Zeolite Molecular Sieves", 1974, pp. 269-272.

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