Methods for producing feedstock for a fixed bed gasifier from finely-divided coal
Patent
·
OSTI ID:5697278
A process for producing a feedstock for a fixed bed gasifier from finely-divided coal by treating the coal in a first stirred semi-fluidized carbonizer reaction zone to produce particulate coal derived solids larger than the finely-divided coal charged to the first carbonizer and thereafter charging the particulate coal derived solids so produced to a second stirred semifluidized carbonizer reaction zone to produce particulate coal derived solids of a size consist greater than 1/4 inch which is charged to a fixed bed gasifier.
- Assignee:
- Conoco Inc
- Patent Number(s):
- US 4278447
- OSTI ID:
- 5697278
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
CAKING
CARBONACEOUS MATERIALS
COAL
COAL GASIFICATION
COAL PREPARATION
COMMINUTION
ELEMENTS
ENERGY SOURCES
FLUID MECHANICS
FLUIDIZED BED
FOSSIL FUELS
FUELS
GASIFICATION
MATERIALS
MECHANICS
NONMETALS
OXYGEN
PACKED BED
SYNTHETIC FUELS
THERMOCHEMICAL PROCESSES
010404* -- Coal
Lignite
& Peat-- Gasification
CAKING
CARBONACEOUS MATERIALS
COAL
COAL GASIFICATION
COAL PREPARATION
COMMINUTION
ELEMENTS
ENERGY SOURCES
FLUID MECHANICS
FLUIDIZED BED
FOSSIL FUELS
FUELS
GASIFICATION
MATERIALS
MECHANICS
NONMETALS
OXYGEN
PACKED BED
SYNTHETIC FUELS
THERMOCHEMICAL PROCESSES