Low temperature aqueous desulfurization of coal
Patent
·
OSTI ID:5850476
This invention describes a chemical process for desulfurizing coal, especially adaptable to the treatment of coal-water slurries, at temperatures as low as ambient, comprising treating the coal with aqueous titanous chloride whereby hydrogen sulfide is liberated and the desulfurized coal is separated with the conversion of titanous chloride to titanium oxides.
- Assignee:
- Dept. of Energy, Washington, DC
- Patent Number(s):
- US 4561859
- OSTI ID:
- 5850476
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
AQUEOUS SOLUTIONS
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
COAL
COAL FINES
COAL PREPARATION
COMMINUTION
DESULFURIZATION
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUEL SLURRIES
FUELS
GRINDING
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
MACHINING
MATERIALS
MIXTURES
OXIDES
OXYGEN COMPOUNDS
REMOVAL
SLURRIES
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS
SUSPENSIONS
TITANIUM CHLORIDES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
WATER
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
AQUEOUS SOLUTIONS
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
COAL
COAL FINES
COAL PREPARATION
COMMINUTION
DESULFURIZATION
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUEL SLURRIES
FUELS
GRINDING
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
MACHINING
MATERIALS
MIXTURES
OXIDES
OXYGEN COMPOUNDS
REMOVAL
SLURRIES
SOLUTIONS
SULFIDES
SULFUR COMPOUNDS
SUSPENSIONS
TITANIUM CHLORIDES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
WATER