Low-residue high-extraction production of sodium dichromate

Details Low-residue high-extraction production of sodium dichromate Low-residue high-extraction production of sodium dichromate

1995-01-06

1996-01-09

Bos, Steven

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 53, 423596, 423597, C22B 3432, C01G 3700, C01G 3714

Patent

active

054826900

ABSTRACT:
The invention relates to a process for the low-waste production of sodium dichromate from the mineral chromite with simultaneous recovery of low-carbon ferrochromium.

REFERENCES:
patent: 1951091 (1934-03-01), Haglund
patent: 2123240 (1938-07-01), Hammarberg
patent: 3105756 (1963-10-01), Green
patent: 3812234 (1974-05-01), Schafer et al.
patent: 3932598 (1976-01-01), Cooper et al.
patent: 4244925 (1981-01-01), Subbanna et al.
patent: 4355006 (1982-10-01), Rademachers et al.
Ullmann's Encyclopedia of Industrial Chemistry, Vo. A7, Chromium Compounds, pp. 67-97, (1986), (No Month).
WPI Abstract 85-234945/38 & SU 1142448, Feb. 28, 1985.

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