De-aluminization of aluminosilicates

Details De-aluminization of aluminosilicates De-aluminization of aluminosilicates

1979-09-10

1981-06-16

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

252455Z, C01B 3328

Patent

active

042737532

ABSTRACT:
A process for the de-aluminization of aluminosilicates such as zeolites, clays, gels, amorphous silica-aluminas and crystalline silica-aluminas. The process comprises contacting an aluminosilicate with an inorganic halide or oxyhalide at a temperature sufficiently high enough to volatilize the aluminum halide or oxyhalide which is formed.

REFERENCES:
patent: 1528039 (1925-03-01), Wolcott
patent: 3442795 (1969-05-01), Kerr et al.
patent: 3466169 (1969-09-01), Nowak et al.
patent: 3640681 (1972-02-01), Pickert
patent: 3937791 (1976-02-01), Garwood et al.
Barber et al. "J. Chem. Soc. (A)", 1970, pp. 765-775.

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