Purifying a fuel gas containing hydrogen cyanide, hydrogen sulfide, and ammonia. [Gas scrubbed in aqueous alkali solution containing small particles of S to remove 95% of HCN, 90% of H/sub 2/S, and 30% of NH/sub 3/]
Patent
·
OSTI ID:5256807
None
- Assignee:
- Osaka Gas Co., Ltd.
- Patent Number(s):
- JP 73403
- OSTI ID:
- 5256807
- Country of Publication:
- United States
- Language:
- English
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Removal of hydrocyanic acid, ammonia, and hydrogen sulfide from coke-oven gas. [Scrubbing with ammoniacal S suspension containing polysulfides to remove HCN; treatment with NH/sub 3/ solution to remove H/sub 2/S]
Patent
·
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·
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Treatment of gases containing hydrogen cyanide and hydrogen sulfide. [HCN and H/sub 2/S removed with alkaline solution]
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
AMMONIA
AQUEOUS SOLUTIONS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL GAS
DESULFURIZATION
DISPERSIONS
ENERGY SOURCES
FLUIDS
FUEL GAS
FUELS
GASES
HYDRIDES
HYDROCYANIC ACID
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC ACIDS
MIXTURES
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
PURIFICATION
REMOVAL
SCRUBBING
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
AMMONIA
AQUEOUS SOLUTIONS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL GAS
DESULFURIZATION
DISPERSIONS
ENERGY SOURCES
FLUIDS
FUEL GAS
FUELS
GASES
HYDRIDES
HYDROCYANIC ACID
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC ACIDS
MIXTURES
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
PURIFICATION
REMOVAL
SCRUBBING
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS