Desulfurization of carbonaceous materials
Patent
·
OSTI ID:6518346
This invention relates to desulfurization of carbonaceous materials such as coal, coke and char. EPA standards for SO2 emissions generally necessitate the use of coals having sulfur contents of less than about 1 percent for industrial purposes, such as steam generation. It has now been found, according to the process of the invention, that excess sulfur may be effectively and economically removed from carbonaceous feed materials by treatment of the feed with a combination of hydrogen and hydrogen chloride gases at elevated temperature.
- Assignee:
- ERA-08-017071; EDB-83-046221
- Patent Number(s):
- None
- OSTI ID:
- 6518346
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL
COKE
DESULFURIZATION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCHLORIC ACID
HYDROGEN
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MATERIALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL
COKE
DESULFURIZATION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCHLORIC ACID
HYDROGEN
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MATERIALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES