Filtering of precipitating silica

Details Filtering of precipitating silica Filtering of precipitating silica

1979-08-31

1981-09-15

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

210714, 210778, 423162, 423163, 423166, 423167, 423395, 423497, 423554, C01F 500, C01F 530, C01F 538, C01F 540

Patent

active

042897360

ABSTRACT:
The addition of an excess of asbestos tailings in the course of the extraction of magnesium from asbestos tailings by digestion with an acid greatly facilitates the elimination of silica and other impurities by filtration of the resulting reaction mixture. The improvement reduces the filtration time and the filtration leaves a cake which is much easier to dispose.

REFERENCES:
patent: 1340535 (1920-05-01), Garcin
patent: 2402370 (1946-06-01), Chalmers
patent: 3320029 (1967-05-01), Adams
patent: 3338667 (1967-08-01), Pundsack
patent: 4058587 (1977-11-01), Nelson

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