Research on chemical factors in underground coal gasification. Final technical report
Technical Report
·
OSTI ID:6176057
The goal of this research has been to acquire experimental data and develop mathematical models in order to analyze results from laboratory-scale and field-scale experiments on underground coal gasification (UCG), especially for low-rank coals such as Texas lignite. Experimental data for water injection in a combustion tube, coal core combustion, and coal block gasification are reported; in parallel, a mathematical model for the combustion tube temperature profile and gas composition was developed which compared favorably with experimental data. A mathematical model for predicting gas composition and coal recovery in the Hoe Creek field experiment has been completed and verified with field data. Two experiments have been constructed to obtain data on reactions of interest to UCG; these include an apparatus for determining the kinetics of tar cracking and a microreactor for analyzing the process dynamics of the water gas shift reaction carried out in a fixed bed catalytic system. 44 refs., 60 figs., 22 tabs.
- Research Organization:
- Texas Univ., Austin (USA)
- DOE Contract Number:
- AC20-84LC11050
- OSTI ID:
- 6176057
- Report Number(s):
- DOE/LC/11050-1990; ON: DE86001048
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
BENCH-SCALE EXPERIMENTS
BROWN COAL
CARBONACEOUS MATERIALS
CATALYSTS
CAVITIES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CHEMICAL REACTORS
COAL
COAL GASIFICATION
COAL TAR
CRACKING
DATA
DECOMPOSITION
DRILL CORES
ENERGY SOURCES
EXPERIMENTAL DATA
FIELD TESTS
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GASIFICATION
GEOMETRY
GROWTH
IN-SITU GASIFICATION
IN-SITU PROCESSING
INFORMATION
KINETICS
LIGNITE
MATERIALS
MATHEMATICAL MODELS
MATHEMATICS
NUMERICAL DATA
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PACKED BED
PROCESSING
PYROLYSIS
RESEARCH PROGRAMS
SHIFT PROCESSES
SIMULATION
SWEEP EFFICIENCY
TAR
TESTING
THERMAL CRACKING
THERMOCHEMICAL PROCESSES
WATER INFLUX
010404* -- Coal
Lignite
& Peat-- Gasification
BENCH-SCALE EXPERIMENTS
BROWN COAL
CARBONACEOUS MATERIALS
CATALYSTS
CAVITIES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CHEMICAL REACTORS
COAL
COAL GASIFICATION
COAL TAR
CRACKING
DATA
DECOMPOSITION
DRILL CORES
ENERGY SOURCES
EXPERIMENTAL DATA
FIELD TESTS
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GASIFICATION
GEOMETRY
GROWTH
IN-SITU GASIFICATION
IN-SITU PROCESSING
INFORMATION
KINETICS
LIGNITE
MATERIALS
MATHEMATICAL MODELS
MATHEMATICS
NUMERICAL DATA
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PACKED BED
PROCESSING
PYROLYSIS
RESEARCH PROGRAMS
SHIFT PROCESSES
SIMULATION
SWEEP EFFICIENCY
TAR
TESTING
THERMAL CRACKING
THERMOCHEMICAL PROCESSES
WATER INFLUX