Removal of hydrogen sulfide from reducing gases
Patent
·
OSTI ID:6775364
IGT's method of removing sulfur compounds from hot reducing fuel-gas streams requires no preliminary cooling and subsequent reheating of the gases. A melt of molten lead and a metal sulfide is contacted with the hot reducing gases to remove compounds such as hydrogen sulfide, carbonyl sulfide, and mercaptans. The lead and elemental sulfur are regenerated from the formed lead sulfide so that the lead can be recycled in excess amounts for subsequent reaction with the sulfur compounds in the hot reducing gases, while reducing the amount of formed metal sulfide slurry in the molten metal to obtain a pumpable mixture.
- Assignee:
- Inst. of Gas Technology
- Patent Number(s):
- US 3954938
- OSTI ID:
- 6775364
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
03 NATURAL GAS
030700* -- Natural Gas-- Waste Management
CARBON COMPOUNDS
CARBON OXYSULFIDE
CHALCOGENIDES
CHEMICAL REACTIONS
DESULFURIZATION
ELEMENTS
ENERGY SOURCES
FLUIDS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
LEAD
LIQUID METALS
LIQUIDS
METALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
REDUCTION
REMOVAL
SORPTIVE PROPERTIES
SULFIDES
SULFUR COMPOUNDS
SURFACE PROPERTIES
THIOLS
010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
03 NATURAL GAS
030700* -- Natural Gas-- Waste Management
CARBON COMPOUNDS
CARBON OXYSULFIDE
CHALCOGENIDES
CHEMICAL REACTIONS
DESULFURIZATION
ELEMENTS
ENERGY SOURCES
FLUIDS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
LEAD
LIQUID METALS
LIQUIDS
METALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
REDUCTION
REMOVAL
SORPTIVE PROPERTIES
SULFIDES
SULFUR COMPOUNDS
SURFACE PROPERTIES
THIOLS