Coal desulfurization by aqueous chlorination
Patent
·
OSTI ID:5221118
A method of desulfurizing coal is described in which chlorine gas is bubbled through an aqueous slurry of coal at low temperature below 130 degrees C, and at ambient pressure. Chlorinolysis converts both inorganic and organic sulfur components of coal into water soluble compounds which enter the aqueous suspending media. The media is separated after chlorinolysis and the coal dechlorinated at a temperature of from 300 degrees C to 500 degrees C to form a non-caking, low-sul coal product.
- Assignee:
- California Institute Of Technology
- Patent Number(s):
- US 4325707
- OSTI ID:
- 5221118
- 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
CAKING
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
CHLORINATION
COAL
CONTROL
DESULFURIZATION
DISPERSIONS
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUEL SLURRIES
FUELS
HALOGENATION
MATERIALS
MIXTURES
NONMETALS
PARTICLE SIZE
POLLUTION CONTROL
SIZE
SLURRIES
SOLUTIONS
SOLVENTS
SULFUR
SUSPENSIONS
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
AQUEOUS SOLUTIONS
CAKING
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
CHLORINATION
COAL
CONTROL
DESULFURIZATION
DISPERSIONS
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUEL SLURRIES
FUELS
HALOGENATION
MATERIALS
MIXTURES
NONMETALS
PARTICLE SIZE
POLLUTION CONTROL
SIZE
SLURRIES
SOLUTIONS
SOLVENTS
SULFUR
SUSPENSIONS