Moessbauer spectroscopic studies of iron compounds in coal and related materials
Thesis/Dissertation
·
OSTI ID:5542398
A selection of Illinois coals, related materials, and coal process residues were investigated by means of Moessbauer spectroscopy. The purpose of the study is to characterize the iron compounds in the materials and the iron chemistry which occurs when the coal is processed. The predominant iron mineral occurring in the coals was pyrite. Marcasite also occurred in the coals although it was frequently obscured by pyrite. Jarosite was found in the weathered coals. The study also considered pyrrhotite. An important chemical process in the charring and liquefaction of coal is the conversion of pyrite to pyrrhotite. (JMT)
- OSTI ID:
- 5542398
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMISTRY
COAL
COAL GASIFICATION
COAL LIQUEFACTION
ENERGY SOURCES
FEDERAL REGION V
FOSSIL FUELS
FUELS
GAMMA SPECTROMETERS
GASIFICATION
ILLINOIS
IRON COMPOUNDS
IRON SULFATES
IRON SULFIDES
LIQUEFACTION
MARCASITE
MATERIALS
MEASURING INSTRUMENTS
MINERALS
MOESSBAUER SPECTROMETERS
NORTH AMERICA
OXYGEN COMPOUNDS
PYRITE
PYRRHOTITE
SPECTROMETERS
SPECTROSCOPY
SULFATES
SULFIDE MINERALS
SULFIDES
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
USA
010600* -- Coal
Lignite
& Peat-- Properties & Composition
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMISTRY
COAL
COAL GASIFICATION
COAL LIQUEFACTION
ENERGY SOURCES
FEDERAL REGION V
FOSSIL FUELS
FUELS
GAMMA SPECTROMETERS
GASIFICATION
ILLINOIS
IRON COMPOUNDS
IRON SULFATES
IRON SULFIDES
LIQUEFACTION
MARCASITE
MATERIALS
MEASURING INSTRUMENTS
MINERALS
MOESSBAUER SPECTROMETERS
NORTH AMERICA
OXYGEN COMPOUNDS
PYRITE
PYRRHOTITE
SPECTROMETERS
SPECTROSCOPY
SULFATES
SULFIDE MINERALS
SULFIDES
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
USA