Structural Characterization of Some North American Coals

The structure of five U.S. coals (three of low rank or sub-bituminous and two of high rank) has been investigated using reactivity criteria and spectroscopic methods. The results suggest that one of the high-rank coals PSOC 831 contains more cross-linking groups within its macromolecular structure t...

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Published in:Energy & fuels 1998-05, Vol.12 (3), p.570-573
Main Authors: Burgess, C. E, Redlich, P. J, Sakurovs, R. J, Jackson, W. R, Marshall, M
Format: Article
Language:English
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Applied sciences
Coal and derived products
Energy
Exact sciences and technology
Fuels
Structure, chemical and physical properties
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description The structure of five U.S. coals (three of low rank or sub-bituminous and two of high rank) has been investigated using reactivity criteria and spectroscopic methods. The results suggest that one of the high-rank coals PSOC 831 contains more cross-linking groups within its macromolecular structure than the other high-rank coal DECS 12. These cross-linkages help to explain some previously reported anomalous results resulting from reactions of PSOC 831 with hydrogen in the presence of MoS2. The DECS 9 and PSOC 1379 were shown to be typical low-rank coals and gave significant “guest”-derived materials (terpenoid and wax-derived hydrocarbons) from pyrolyses at 320 and 350 °C, and the sub-bituminous coal DECS 6 showed many structural similarities when compared with a range of other sub-bituminous coals from Central Queensland, Australia.
doi_str_mv 10.1021/ef970181z
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Applied sciences
Coal and derived products
Energy
Exact sciences and technology
Fuels
Structure, chemical and physical properties
title Structural Characterization of Some North American Coals
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