Removal of hydrogen sulfide from fluid streams with minimum...

Details Removal of hydrogen sulfide from fluid streams with minimum... Removal of hydrogen sulfide from fluid streams with minimum...

B - Operations, Transporting

01

D

23/344

B01D 53/14 (2006.01) C01B 17/05 (2006.01)

Patent

CA 1180536

ABSTRACT Fluid streams containing hydrogen sulfide from a steam turbine or from a sour gas stream are contacted with an aqueous solution of a polyvalent metal chelate and an oxidizing agent whereby the hydrogen sulfide is converted to free sulfur and then to soluble sulfur compounds. The metal chelate is reduced to a lower oxidation state metal chelate and reduced metal chelate is subsequently oxidized with air back to the higher oxidation state and reused.

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