Preburn versus postburn mineralogical and geochemical characteristics of overburden and coal at the Hanna, Wyoming underground coal gasification site
Hundreds of mineralogic and geochemical tests were done under US Department of Energy contracts on core samples taken from the Hanna underground coal gasification site. These tests included x-ray diffraction studies of minerals in coal ash, overburden rocks, and heat-altered rocks; x-ray fluorescence analyses of oxides in coal ash and heat-altered rocks; semi-quantitative spectrographic analyses of elements in coal, overburden, and heat-altered rocks; chemical analyses of elements and compounds in coal, overburden, and heat-altered rocks and ASTM proximate and ultimate analyses of coal and heat-altered coal. These data sets were grouped, averaged, and analyzed to provide preburn and postburn mineralogic and geochemical characteristics of rock units at the site. Where possible, the changes in characteristics from the preburn to the postburn state are related to underground coal gasification processes. 11 references, 13 figures, 8 tables.
- Research Organization:
- Western Research Inst., Laramie, WY (USA)
- DOE Contract Number:
- AC07-76ET10723
- OSTI ID:
- 6772325
- Report Number(s):
- DOE/ET/10723-1585; ON: DE84009280
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010404 -- Coal
Lignite
& Peat-- Gasification
010600* -- Coal
Lignite
& Peat-- Properties & Composition
ASHES
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
CHEMISTRY
COAL
COAL GASIFICATION
COHERENT SCATTERING
DATA
DIFFRACTION
DRILL CORES
ENERGY SOURCES
EXPERIMENTAL DATA
FEDERAL REGION VIII
FIELD TESTS
FOSSIL FUELS
FUELS
GASIFICATION
GEOCHEMISTRY
IN-SITU GASIFICATION
IN-SITU PROCESSING
INFORMATION
MATERIALS
MINERALOGY
NONDESTRUCTIVE ANALYSIS
NORTH AMERICA
NUMERICAL DATA
OVERBURDEN
PROCESSING
RESIDUES
ROCKS
SCATTERING
TESTING
THERMOCHEMICAL PROCESSES
USA
WYOMING
X-RAY DIFFRACTION
X-RAY EMISSION ANALYSIS
X-RAY FLUORESCENCE ANALYSIS
010404 -- Coal
Lignite
& Peat-- Gasification
010600* -- Coal
Lignite
& Peat-- Properties & Composition
ASHES
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
CHEMISTRY
COAL
COAL GASIFICATION
COHERENT SCATTERING
DATA
DIFFRACTION
DRILL CORES
ENERGY SOURCES
EXPERIMENTAL DATA
FEDERAL REGION VIII
FIELD TESTS
FOSSIL FUELS
FUELS
GASIFICATION
GEOCHEMISTRY
IN-SITU GASIFICATION
IN-SITU PROCESSING
INFORMATION
MATERIALS
MINERALOGY
NONDESTRUCTIVE ANALYSIS
NORTH AMERICA
NUMERICAL DATA
OVERBURDEN
PROCESSING
RESIDUES
ROCKS
SCATTERING
TESTING
THERMOCHEMICAL PROCESSES
USA
WYOMING
X-RAY DIFFRACTION
X-RAY EMISSION ANALYSIS
X-RAY FLUORESCENCE ANALYSIS