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Relationships between coal constitution, thermoplastic properties and liquefaction behavior of coals and vitrinite concentrates from the Lower Kittanning seam. Final report, part 1

Technical Report ·
OSTI ID:5383708
;
The major objective of this study was to assemble a base of coal data in order to reveal systematic interrelationships among the chemical and petrographic compositions and the liquefaction behavior and thermoplastic properties of coal from a single coal seam. Trends in the lateral variability of carbon, hydrogen, nitrogen, oxygen, sulfur contents, volatile matter, ash yields, petrographic composition, and reflectance are presented. These trends in the composition and properties within a single coal seam enabled the areal changes in depositional environment and post-depositional metamorphic changes to be evaluated. The liquefaction behavior and thermoplastic properties of any coal would seem to be dependent upon the constitution of the parent coal; however, the petrographic, physical and chemical heterogeneity of coal and complexity of the liquefaction and thermoplasticity processes make a study of the interrelationships extremely difficult. Consequently, a complex statistical analysis of these variables has been used. A total of 81 samples of whole coals and vitrinite concentrates from the Lower Kittanning seam were studied. A factor analysis performed on the whole sample population indicated that both liquefaction conversion and some of the measured thermoplastic properties had significant relations to rank-dependent variables. The content of reactive macerals did not group with either liquefaction conversion or parameters of thermoplastic behavior.
Research Organization:
Pennsylvania State Univ., University Park (USA). Coal Research Section
DOE Contract Number:
AC22-80PC30013
OSTI ID:
5383708
Report Number(s):
DOE/PC/30013-T2; ON: DE82012848
Country of Publication:
United States
Language:
English

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01 COAL, LIGNITE, AND PEAT
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CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
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COAL DEPOSITS
COAL LIQUEFACTION
COAL SEAMS
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FOSSIL FUELS
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MINERAL RESOURCES
NORTH AMERICA
NUMERICAL DATA
OPTICAL PROPERTIES
OXIDATION
PENNSYLVANIA
PETROGRAPHY
PHYSICAL PROPERTIES
PLASTICITY
REFLECTIVITY
REGRESSION ANALYSIS
RESIDUES
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