Bayer process for producing aluminum hydroxide having improved w

Details Bayer process for producing aluminum hydroxide having improved w Bayer process for producing aluminum hydroxide having improved w

1987-06-19

1988-11-22

Hruskoci, Peter

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

210651, 210654, 423127, 423629, B01D 1300

Patent

active

047864826

ABSTRACT:
A process for producing aluminum hydroxide product having an improved level of whiteness is disclosed. In the process, a caustic solution having dissolved aluminum hydroxide is subjected to purification to remove color producing humate material. Purification includes passing the caustic solution through a semi-permeable membrane. The solution purified of humate material is treated to precipitate aluminum hydroxide therefrom.

REFERENCES:
patent: 2653716 (1953-09-01), Corona
patent: 3295961 (1967-01-01), Colombo et al.
patent: 3422008 (1969-01-01), McLain
patent: 3457032 (1969-07-01), DeLa Breteque
patent: 3729542 (1973-04-01), Goheen
patent: 3996334 (1976-12-01), Hartman et al.
patent: 4038039 (1977-07-01), Carruthers et al.
patent: 4046855 (1977-09-01), Schepers et al.
patent: 4161446 (1979-07-01), Coillet
patent: 4207182 (1980-06-01), Marze
patent: 4215094 (1980-07-01), Inao et al.
patent: 4275042 (1981-06-01), Lever
patent: 4280987 (1981-07-01), Yamada et al.
patent: 4282191 (1981-08-01), Bird et al.
patent: 4347132 (1982-08-01), Davis
patent: 4366129 (1982-12-01), Czegledi et al.
patent: 4495067 (1985-01-01), Klein et al.
patent: 4496524 (1985-01-01), Bush
patent: 4578255 (1986-03-01), Roe et al.
patent: 4676959 (1987-06-01), The et al.
patent: 4678477 (1987-07-01), The et al.
Encyclopedia of Chemical Technology, 1978, vol. 2, pp. 140-143.
Chapurlat, Cl. Brousse and Quentin J. P. Desalination 18, No. 2, Apr. 1976, Elsevier Scien. Pub. Co., pp. 137-153.

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