Extraction process

Details Extraction process Extraction process

C - Chemistry, Metallurgy

01

B

23/344

C01B 17/04 (2006.01) B01D 53/34 (2006.01)

Patent

CA 1173627

ABSTRACT EXTRACTION PROCESS In the removal of H2S from a gas by contacting with an aqueous reactant solution containing an ion or a chelate of a polyvalent metal with formation of solid sulphur and reduced reactant and regeneration of the reactant with oxygen, the sulphur is recovered by extracting sulphur-containing aqueous solution with a liquid composition comprising one or more alkanols having 4 to 15 carbon atoms.

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