Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent
1977-12-29
1979-07-03
Meros, Edward J.
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
423329, C01B 3328
Patent
active
041600118
ABSTRACT:
An amorphous powder useful as a precursor for the preparation of crystalline aluminosilicates is prepared by forming a sodium aluminum silicate water mixture whose composition falls within specified ranges for forming sodium zeolite A. By dehydrating the mixture with a water miscible solvent prior to aging and crystal formation, an amorphous powder is recovered for future use. Upon subsequent treatment the amorphous powder can be converted to crystalline aluminosilicates including type 3A, 4A, 5A, X and Y.
REFERENCES:
patent: 2847280 (1958-08-01), Estes
patent: 2979381 (1961-04-01), Gottstine et al.
patent: 3130007 (1964-04-01), Breck
patent: 3481699 (1969-12-01), Domine et al.
Barrer et al., "J. Chem. Soc.", 1952, pp. 1561-1571.
Iler, "The Colloid Chemistry of Silica and Silicates", 1955, p. 143.
Estes John H.
Kravitz Stanley
Suggitt Robert M.
McNulty William E.
Meros Edward J.
Ries Carl G.
Texaco Inc.
Whaley Thomas H.
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