Scrubbing a gas containing sulfur dioxide and hydrogen sulfide with ammonium sulfite and potassium carbonate solutions. [S dioxide removed by ammonium sulfite and then H sulfide by K carbonate; S recovered]
Patent
·
OSTI ID:5176521
- Assignee:
- Ube Industries, Ltd.
- Patent Number(s):
- JP 30290
- OSTI ID:
- 5176521
- Resource Relation:
- Patent File Date: Filed date 14 Jul 1972
- Country of Publication:
- United States
- Language:
- English
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Removing sulfur dioxide from gas mixtures by absorption. [Gas containing S dioxide scrubbed with solution containing NaOH, Na sulfite, and Na carbonate]
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Treating waste gases containing cyanides, hydrogen sulfide, and ammonia to recover ammonium sulfate and sulfur. [Absorption column to scrub with ammonium ydroxide solution; recovery of sulfates and S]
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OSTI ID:5176521
+2 more
Removing hydrogen sulfide from a low pressure gas by absorption with an alkaline ferrate and ferrite solution. [H sulfide oxidized to S to be recovered; scrubbed gas contains 4 ppM H sulfide]
Patent
·
Mon Apr 08 00:00:00 EDT 1974
·
OSTI ID:5176521
Treating waste gases containing cyanides, hydrogen sulfide, and ammonia to recover ammonium sulfate and sulfur. [Absorption column to scrub with ammonium ydroxide solution; recovery of sulfates and S]
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Fri Jan 25 00:00:00 EDT 1974
·
OSTI ID:5176521
Related Subjects
01 COAL, LIGNITE, AND PEAT
GASES
DESULFURIZATION
HYDROGEN SULFIDES
REMOVAL
SULFUR
RECOVERY
SULFUR DIOXIDE
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
POTASSIUM CARBONATES
SCRUBBING
SULFITES
ALKALI METAL COMPOUNDS
CARBON COMPOUNDS
CARBONATES
CHALCOGENIDES
CHEMICAL REACTIONS
DISPERSIONS
ELEMENTS
FLUIDS
HYDROGEN COMPOUNDS
MIXTURES
NONMETALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS
SULFUR OXIDES
010800* - Coal
Lignite
& Peat- Waste Management
GASES
DESULFURIZATION
HYDROGEN SULFIDES
REMOVAL
SULFUR
RECOVERY
SULFUR DIOXIDE
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
POTASSIUM CARBONATES
SCRUBBING
SULFITES
ALKALI METAL COMPOUNDS
CARBON COMPOUNDS
CARBONATES
CHALCOGENIDES
CHEMICAL REACTIONS
DISPERSIONS
ELEMENTS
FLUIDS
HYDROGEN COMPOUNDS
MIXTURES
NONMETALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS
SULFUR OXIDES
010800* - Coal
Lignite
& Peat- Waste Management