Process for preparing metallic sulphates

Details Process for preparing metallic sulphates Process for preparing metallic sulphates

1973-07-05

1979-01-09

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iib metal

423 45, 423 99, 423148, 423514, 423544, 423420, 423557, 423558, C01G 906, C01G 310, C01C 126, C01B 1764

Patent

active

041338650

ABSTRACT:
An improved process for preparing a metallic sulphate in a reaction zone from mixing of the corresponding metallic sulphide concentrates with ammonium sulphate and heating. Heating preferably includes directly contacting the mixture with products of combustion of a heating fuel at temperatures between about 150.degree. C and about 480.degree. C. The products of combustion may be diluted with a gas, and the metallic sulphate of the corresponding metallic sulphide may be initially mixed with the mixture to inhibit the development of semi-fluid conditions in the reaction of the metallic sulphide concentrates with ammonium sulphate.

REFERENCES:
patent: 826925 (1906-07-01), Enke
patent: 1004361 (1911-09-01), Bueb
patent: 1083253 (1913-12-01), Hall
patent: 1133636 (1915-03-01), Hall
patent: 1862828 (1932-06-01), Robson
patent: 1889942 (1932-12-01), Baehr
patent: 1905604 (1933-04-01), Queweau
patent: 2009733 (1935-07-01), Hechenbliekwer
patent: 2074210 (1937-03-01), Calbeck
patent: 2927001 (1960-03-01), McCullough
patent: 3042498 (1962-07-01), Norman
patent: 3674427 (1972-07-01), Welty, Jr.

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