Method for removing hydrogen sulfide from gas streams

Details Method for removing hydrogen sulfide from gas streams Method for removing hydrogen sulfide from gas streams

1979-06-20

1981-08-11

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, 423573R, C01B 1704

Patent

active

042833795

ABSTRACT:
A hydrogen sulfide removal and conversion method in which a hydrogen sulfide-containing gas stream is contacted with a substantially quinone-free aqueous washing solution containing, inter alia, solubilized vanadium, thiocyanate ions, and one or more water-soluble nonquinone aromatic compounds capable of solubilizing tetravalent vanadium. The absorbed hydrogen sulfide is converted to elemental sulfur which, after oxidative regeneration of the washing solution, is separated from the regenerated solution.

REFERENCES:
patent: 1792097 (1931-02-01), Jacobson
patent: 2911438 (1959-11-01), Szombathy
patent: 3959452 (1976-05-01), Espenscheid et al.
patent: 4017594 (1977-04-01), Fenton et al.

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