Method for the multistage, waste-free processing of red mud to r

Details Method for the multistage, waste-free processing of red mud to r Method for the multistage, waste-free processing of red mud to r

1990-04-02

1991-10-01

Silverman, Stanley S.

Liquid purification or separation

Processes

Separating

210749, 210773, 210710, 210724, 423121, 423132, 423 82, 423 86, 423189, 423150, C02F 1100

Patent

active

050531441

ABSTRACT:
The method of the invention is advantageously applicable to realize a multistage chemical process during which liquid clarifiers suitable for the purification of water and sewage, furthermore, fine-disperse pulverulent solid products utilizable as pait pigments and fillers may be recovered. Each final product of the multistage chemical processes is a useful material, so the whole technology is waste free.

REFERENCES:
patent: 1924503 (1933-08-01), Lambert
patent: 2069060 (1937-01-01), Fessler
patent: 2209444 (1940-07-01), de Becze
patent: 2527257 (1950-10-01), Judd
patent: 3295924 (1967-01-01), Colombo
Chemical Abstract: vol. 97, 1982: p. 282 Eurallumina Process for the Treatment . . . Processing, Abstract No. 97:60332x.

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