Removal of hydrogen sulfide from fluid streams with minimum prod

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

1982-06-21

1984-05-29

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423226, 423514, 423DIG19, 210758, 606412, B01D 5334

Patent

active

044514425

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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Kuwada, "Pollution Control for Geothermal Power Plants", AIChE Symposium Series, 1973, pp. 772-775.

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