Method of obtaining pure alumina by acid attack on aluminous min

Details Method of obtaining pure alumina by acid attack on aluminous min Method of obtaining pure alumina by acid attack on aluminous min

1978-02-09

1979-12-04

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423126, 423128, 423132, C01F 720, C01G 1500, C22B 2100

Patent

active

041772423

ABSTRACT:
A method of obtaining alumina of high purity from aluminous mineral containing impurities by attacking the mineral with a sulphuric acid liquor and separating the resulting liquor from a residue which remains after the attack, the steps of

REFERENCES:
patent: 1734196 (1929-11-01), Blumenberg, Jr.
patent: 2381477 (1945-08-01), Waltman
patent: 2476979 (1949-07-01), Hueman
patent: 3620671 (1971-11-01), Maurel et al.
patent: 3862293 (1975-01-01), Maurel et al.
patent: 3894144 (1975-07-01), Becher et al.
patent: 4069299 (1978-01-01), Hodgson

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