Desulfurization of carbonaceous materials
Patent
·
OSTI ID:6220658
Solid carbonaceous material, especially coal or coal char, is desulfurized by sequential treatment with steam, hydrogen, and steam. The partially desulfurized char from the first steam treatment zone is used to remove hydrogen sulfide from the effluent gas from the hydrogen treatment zone. Both the treated effluent gas and the spent char are recycled, thereby providing an efficient process for desulfurization.
- Assignee:
- Occidental Research Corp
- Patent Number(s):
- US 4270928
- OSTI ID:
- 6220658
- 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
CHARS
CHEMICAL REACTIONS
COAL
DESULFURIZATION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN
MATERIALS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PYROLYSIS PRODUCTS
STEAM
SULFUR COMPOUNDS
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
CARBONACEOUS MATERIALS
CHARS
CHEMICAL REACTIONS
COAL
DESULFURIZATION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN
MATERIALS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PYROLYSIS PRODUCTS
STEAM
SULFUR COMPOUNDS