Organic geochemistry of the Pechora basin coal and hypercoal as a perspective product of coal chemistry
Автор: Burdelnaya N.S., Bushnev D.A., Valyaeva O.V., Burtsev I.N., Kuzmin D.V., Derevesnikova A.A.
Журнал: Вестник геонаук @vestnik-geo
Рубрика: Научные статьи
Статья в выпуске: 10 (298), 2019 года.
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The results of studies of organic matter and technological features of coal from a number of deposits of the Pechora coal basin are presented. Based on data on the composition of biomarker hydrocarbons, data on the thermal maturity of organic matter (OM) of coal are confirmed, assumptions are made about the influence of aquatic and terrigenous vegetation on the formation of the initial OM, and differences between its composition for brown coals concentrated in the southern part of the Pechora coal basin are shown, and coal of the northern areas of the basin. The work demonstrates the possibility of obtaining an ash-free concentrate - the so-called hypercoal by extraction of the initial coal with N-methylpyrrolidone at the boiling point of the solvent in high yields and the similarity of the structure of the obtained product with the structure of the organic mass of the initial coal.
Permian coal, pechora coal basin, hydrocarbon-biomarkers, hypercoal
Короткий адрес: https://sciup.org/149129349
IDR: 149129349 | DOI: 10.19110/2221-1381-2019-10-5-11
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