Liquefaction and desulfurization of coal using synthesis gas. [U. S. patent]
A process has been invented for the desulfurization and liquefaction of coal which permits the use of inexpensive synthesis gas rather than requiring the use of the more expensive hydrogen and which produces a liquid oil product suitable for use as a fuel oil. By the process of this invention for desulfurizing and liquefying coal, a feed stock of the coal in a liquid slurry is contacted with a treat gas of hydrogen, carbon monoxide, and steam, in a reactor, in the presence of a desulfurization catalyst selected from the group consisting of cobalt molybdate supported on alumina, silica-stabilized cobalt molybdate supported on alumina and nickel molybdate supported on alumina and an alkali metal catalyst selected from the group consisting of sodium carbonate, sodium formate and potassium carbonate, at a temperature of 375 to 475/sup 0/C and a pressure of 1500 to 5000 psig, whereby the coal is desulfurized and liquefied to a fuel oil product.
- Assignee:
- U.S. Energy Research and Development Administration
- Patent Number(s):
- None
- OSTI ID:
- 7189501
- Country of Publication:
- United States
- Language:
- English
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& Peat-- Purification & Upgrading
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090121 -- Hydrocarbon Fuels-- Chemical Synthesis-- (1976-1989)
10 SYNTHETIC FUELS
CARBONACEOUS MATERIALS
CATALYSTS
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
DESULFURIZATION
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL OILS
FUELS
GASES
LIQUEFACTION
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
SYNTHESIS
SYNTHESIS GAS