Sulfur dioxide reduction process

Details Sulfur dioxide reduction process Sulfur dioxide reduction process

1981-12-28

1983-08-02

Heller, Gregory A.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

4232105, 423244, 423512A, 423561A, 423570, 423DIG12, C01B 1702, C01B 1700

Patent

active

043965946

ABSTRACT:
Sulfur dioxide is converted to elemental surfur by reduction with a carbonaceous material in a reaction zone containing a molten salt. Heat is provided by reacting a portion of the carbonaceous material with oxygen. In a preferred embodiment alkali metal sulfates present in the molten salt are reduced to alkali metal sulfides.

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patent: 3932586 (1976-01-01), Guerrieri
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