Sulfur dioxide reduction process

Details Sulfur dioxide reduction process Sulfur dioxide reduction process

C - Chemistry, Metallurgy

01

B

23/337

C01B 17/04 (2006.01)

Patent

CA 1192022

Abstract Sulfur dioxide is converted to elemental sulfur 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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