Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur
Patent
1981-02-12
1982-04-20
Peters, G. O.
Chemistry of inorganic compounds
Sulfur or compound thereof
Elemental sulfur
423226, 423571, C01B 1705
Patent
active
043259367
ABSTRACT:
A hydrogen sulfide removal and conversion method in which a hydrogen sulfide-containing gas stream is contacted with a regenerable washing solution containing solubilized vanadium thiocyanate ions, a carboxylate complexing agent and one or more water-soluble quinones capable of solubilizing tetravalent vanadium. The molar ratio of vanadium to quinone(s) in the washing solution is selected to substantially reduce or eliminate the formation of contaminant sulfate salts. The absorbed hydrogen sulfide is converted to elemental sulfur which, after oxidative regeneration of the washing solution, is separated from the regenerated solution.
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Fenton Donald M.
Gowdy Hugh W.
Farrell Daniel R.
Peters G. O.
Sandford Dean
Union Oil Company of California
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