Removing sulfur dioxide from gases by catalytic oxidation to sulfuric acid followed by neutralization to yield gypsum. [S dioxide-containing gas and O-containing gas contacted in aqueous solution of Mn(II) ions]
Patent
·
OSTI ID:5213945
- Assignee:
- Nippon Oil Co., Ltd.
- Patent Number(s):
- JP 11799
- OSTI ID:
- 5213945
- Resource Relation:
- Patent File Date: Filed date 17 May 1972
- Country of Publication:
- United States
- Language:
- English
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Removal of sulfur dioxide in waste gas. [Scrubbing with aqueous suspension of activated C to oxidize S dioxide to sulfuric acid; part of suspension filtered and treated with Ca carbonate to obtain gypsum]
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OSTI ID:5213945
Related Subjects
01 COAL, LIGNITE, AND PEAT
GYPSUM
PRODUCTION
SULFUR DIOXIDE
OXIDATION
REMOVAL
SULFURIC ACID
CATALYSIS
CATIONS
MANGANESE COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM SULFATES
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL REACTIONS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
IONS
MINERALS
OXIDES
OXYGEN COMPOUNDS
SULFATES
SULFUR COMPOUNDS
SULFUR OXIDES
TRANSITION ELEMENT COMPOUNDS
010402* - Coal
Lignite
& Peat- Purification & Upgrading
GYPSUM
PRODUCTION
SULFUR DIOXIDE
OXIDATION
REMOVAL
SULFURIC ACID
CATALYSIS
CATIONS
MANGANESE COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM SULFATES
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL REACTIONS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
IONS
MINERALS
OXIDES
OXYGEN COMPOUNDS
SULFATES
SULFUR COMPOUNDS
SULFUR OXIDES
TRANSITION ELEMENT COMPOUNDS
010402* - Coal
Lignite
& Peat- Purification & Upgrading