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Low-Temperature Thermal Destruction of Kuznetsk Basin Coal: Product Composition

Low-Temperature Thermal Destruction of Kuznetsk Basin Coal: Product Composition Coal samples of three ranks are investigated: long-flame (D) coal, long-flame gas (DG) coal, and gas (G) coal. The composition and properties of the coal samples and their thermal-destruction products are studied by the following methods: proximate analysis, ultimate analysis, petrographic analysis, thermogravimetry, and chromatography and mass spectroscopy. In low-temperature thermal destruction, solid, liquid, and gaseous products are formed. The liquid products consist of a complex mixture of saturated and aromatic hydrocarbons. Normal and branched n-alkanes and n-alkenes are also identified. The molecules of the aromatic hydrocarbons contain 1–5 benzene rings. The molecules CO2, H2, H2S, NH3, HCN, C4H5N, C6H12, CH4, and CO are identified in the gaseous products by mass spectrometry. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Low-Temperature Thermal Destruction of Kuznetsk Basin Coal: Product Composition

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References (18)

Publisher
Springer Journals
Copyright
Copyright © Allerton Press, Inc. 2021. ISSN 1068-364X, Coke and Chemistry, 2021, Vol. 64, No. 11, pp. 481–487. © Allerton Press, Inc., 2021. Russian Text © The Author(s), 2021, published in Koks i Khimiya, 2021, No. 11, pp. 2–9.
ISSN
1068-364X
eISSN
1934-8398
DOI
10.3103/s1068364x21110041
Publisher site
See Article on Publisher Site

Abstract

Coal samples of three ranks are investigated: long-flame (D) coal, long-flame gas (DG) coal, and gas (G) coal. The composition and properties of the coal samples and their thermal-destruction products are studied by the following methods: proximate analysis, ultimate analysis, petrographic analysis, thermogravimetry, and chromatography and mass spectroscopy. In low-temperature thermal destruction, solid, liquid, and gaseous products are formed. The liquid products consist of a complex mixture of saturated and aromatic hydrocarbons. Normal and branched n-alkanes and n-alkenes are also identified. The molecules of the aromatic hydrocarbons contain 1–5 benzene rings. The molecules CO2, H2, H2S, NH3, HCN, C4H5N, C6H12, CH4, and CO are identified in the gaseous products by mass spectrometry.

Journal

Coke and ChemistrySpringer Journals

Published: Nov 1, 2021

Keywords: coal; pyrolysis; low-temperature thermal destruction; coal tar; semicoke; gaseous products

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