Process for reducing molten ammonium sulfates containing metalli

Details Process for reducing molten ammonium sulfates containing metalli Process for reducing molten ammonium sulfates containing metalli

1975-07-21

1977-06-14

Vertiz, O. R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

423541A, C01B 1750, C01C 102

Patent

active

040297454

ABSTRACT:
Molten ammonium sulfates containing iron sulfate as an impurity may be reduced with sulfur or a sulfur compound over long periods provided a fraction of these impure ammonium sulfates is withdrawn, treated for iron removal and fed back to the reduction zone.

REFERENCES:
patent: 3810968 (1974-05-01), Renault et al.
patent: 3833715 (1974-09-01), Deschamps et al.
patent: 3884644 (1975-05-01), Bonnema et al.
Beck et al., APC Application No. 292,742, Published 13 July 1943.
Beck et al., APC Application No. 393,258, Published 13 July 1943.

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