Method of removing hydrogen sulfide from gases
Patent
·
OSTI ID:6380278
A cyclic process for the removal of hydrogen sulfide, and carbon dioxide, from a variety of gas streams is disclosed. The gas stream containing the sour gases is contacted with an aqueous solution of specific reactant materials, optionally in an absorbent, containing specific dialcohols for reaction rate improvement. The hydrogen sulfide is converted to sulfur, CO/sub 2/ may be absorbed to produce a purified gas stream, and the reactant material is reduced. The process includes sulfur removal and regeneration of the reactant.
- Assignee:
- Shell Oil Co
- Patent Number(s):
- US 4348368
- OSTI ID:
- 6380278
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSORPTION
AQUEOUS SOLUTIONS
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHELATES
COMPLEXES
DISPERSIONS
FLUIDS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
IRON COMPLEXES
MIXTURES
OXIDES
OXYGEN COMPOUNDS
REMOVAL
SCRUBBING
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPLEXES
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSORPTION
AQUEOUS SOLUTIONS
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHELATES
COMPLEXES
DISPERSIONS
FLUIDS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
IRON COMPLEXES
MIXTURES
OXIDES
OXYGEN COMPOUNDS
REMOVAL
SCRUBBING
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPLEXES