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Method for removing hydrogen sulfide from gas streams

Patent ·
OSTI ID:6147981
;
A hydrogen sulfide removal and conversion method is disclosed 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.
Assignee:
Union Oil Co of California
Patent Number(s):
US 4283379
OSTI ID:
6147981
Country of Publication:
United States
Language:
English

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Related Subjects

03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
42 ENGINEERING
424000* -- Engineering-- Pollution Control Equipment-- (1980-1989)
ALKALI METAL COMPOUNDS
ANTITHYROID DRUGS
AROMATICS
CARBONIC ACID DERIVATIVES
CHALCOGENIDES
CHEMICAL REACTIONS
DESULFURIZATION
DRUGS
ELEMENTS
ENERGY SOURCES
EQUIPMENT
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HORMONE ANTAGONISTS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
METALS
NATURAL GAS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PERFORMANCE
POLLUTION CONTROL EQUIPMENT
REGENERATION
REMOVAL
SCRUBBERS
SCRUBBING
SODIUM COMPOUNDS
SULFIDES
SULFUR COMPOUNDS
THIOCYANATES
TRANSITION ELEMENTS
VANADIUM