Fluidized bed catalytic coal gasification process
Patent
·
OSTI ID:6808938
Coal or similar carbonaceous solids impregnated with gasification catalyst constituents are oxidized by contact with a gas containing between 2 volume percent and 21 volume percent oxygen at a temperature between 50/sup 0/ C. and 250/sup 0/ C. in an oxidation zone and the resultant oxidized, catalyst impregnated solids are then gasified in a fluidized bed gasification zone at an elevated pressure. The oxidation of the catalyst impregnated solids under these conditions insures that the bed density in the fluidized bed gasification zone will be relatively high even though the solids are gasified at elevated pressure and temperature.
- Assignee:
- EDB-84-113911
- Patent Number(s):
- US 4432773
- OSTI ID:
- 6808938
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
CARBONACEOUS MATERIALS
CATALYSTS
CHEMICAL REACTIONS
COAL
COAL GASIFICATION
ENERGY SOURCES
FLUIDIZED BED
FOSSIL FUELS
FUELS
GASIFICATION
HIGH TEMPERATURE
MATERIALS
MEDIUM TEMPERATURE
OXIDATION
PRESSURE GRADIENTS
TECHNOLOGY UTILIZATION
THERMOCHEMICAL PROCESSES
010404* -- Coal
Lignite
& Peat-- Gasification
CARBONACEOUS MATERIALS
CATALYSTS
CHEMICAL REACTIONS
COAL
COAL GASIFICATION
ENERGY SOURCES
FLUIDIZED BED
FOSSIL FUELS
FUELS
GASIFICATION
HIGH TEMPERATURE
MATERIALS
MEDIUM TEMPERATURE
OXIDATION
PRESSURE GRADIENTS
TECHNOLOGY UTILIZATION
THERMOCHEMICAL PROCESSES