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Composition and Cross-Cut Distribution of the Potential Chemical Conversion Products of Coal from the Sergeevskoe Deposit (Amur Region)

Composition and Cross-Cut Distribution of the Potential Chemical Conversion Products of Coal from... The relationship between the cross-cut distribution of bitumen (raw crude mountain wax) and the nature of the organic matter of coal from the Sergeevskoe brown coal deposit was investigated. It was found that bitumen of terrestrial genesis was present in a maximum concentration (15%), whereas bitumen of aquagenic origin had a minimum concentration (4%). Humic acids (70%) were evenly distributed throughout the deposit. Four groups of compounds were identified in the composition of waxes, the main of which was an aliphatic ether fraction (about 60%). The individual composition of waxes, resins, and humic acids was studied by IR and NMR spectroscopy, gas chromatography, and gas chromatography–mass spectrometry. The extraction of not readily available mountain wax and humic substances was recommended as the most promising direction of using the chemical potential of the Sergeevskoe brown coal deposit. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Solid Fuel Chemistry Springer Journals

Composition and Cross-Cut Distribution of the Potential Chemical Conversion Products of Coal from the Sergeevskoe Deposit (Amur Region)

Sorokin, A. P.; Noskova, L. P.
Solid Fuel Chemistry , Volume 55 (6) – Nov 1, 2021
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References (9)

Publisher
Springer Journals
Copyright
Copyright © Allerton Press, Inc. 2021. ISSN 0361-5219, Solid Fuel Chemistry, 2021, Vol. 55, No. 6, pp. 357–366. © Allerton Press, Inc., 2021. Russian Text © The Author(s), 2021, published in Khimiya Tverdogo Topliva, 2021, No. 6, pp. 3–13.
ISSN
0361-5219
eISSN
1934-8029
DOI
10.3103/s0361521921060136
Publisher site
See Article on Publisher Site

Abstract

The relationship between the cross-cut distribution of bitumen (raw crude mountain wax) and the nature of the organic matter of coal from the Sergeevskoe brown coal deposit was investigated. It was found that bitumen of terrestrial genesis was present in a maximum concentration (15%), whereas bitumen of aquagenic origin had a minimum concentration (4%). Humic acids (70%) were evenly distributed throughout the deposit. Four groups of compounds were identified in the composition of waxes, the main of which was an aliphatic ether fraction (about 60%). The individual composition of waxes, resins, and humic acids was studied by IR and NMR spectroscopy, gas chromatography, and gas chromatography–mass spectrometry. The extraction of not readily available mountain wax and humic substances was recommended as the most promising direction of using the chemical potential of the Sergeevskoe brown coal deposit.

Journal

Solid Fuel Chemistry – Springer Journals

Published: Nov 1, 2021

Keywords: brown coal; genesis; mountain wax; bitumen; resins; humic acids; functional groups

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