Treatment of chromium ore residues to suppress pollution

Details Treatment of chromium ore residues to suppress pollution Treatment of chromium ore residues to suppress pollution

1974-09-17

1976-02-10

Stern, Edward

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 1, 423 55, 423659, C01G 3700, C01G 3714

Patent

active

039377857

ABSTRACT:
Method for treating solid ore residue obtained by production of chromium chemicals from chromite ore, to reduce leaching of chromium compounds therefrom after disposal, which involves reducing the particle size of the residue prior to disposal so that at least about 20 percent by weight of the residue passes through a 200 mesh (U.S.) screen.

REFERENCES:
patent: 2639216 (1953-05-01), Banner
patent: 3791520 (1974-02-01), Nieuwenhuls

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