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ISSN 1068-364X, Coke and Chemistry, 2019, Vol. 62, No. 5, pp. 169–173. © Allerton Press, Inc., 2019. Russian Text © The Author(s), 2019, published in Koks i Khimiya, 2019, No. 5, pp. 2–7. COAL Structural Defects and the Demineralization of Kuznetsk Basin Coal: Data from Raman Spectroscopy a, a, b, a, A. P. Nikitin *, E. R. Khabibulina **, E. S. Mikhaylova ***, a, b, a, N. V. Zhuravleva ****, and Z. R. Ismagilov ***** Federal Research Center of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, Kemerovo, 650000 Russia West Siberian Test Center, Novokuznetsk, 654006 Russia *e-mail: NikitinAndreyP@yandex.ru **e-mail: khabibulina_er@mail.ru ***e-mail: e_s_mihaylova@mail.ru ****e-mail: zhuravleva_nv@zsic.ru *****e-mail: zinfer1@mail.ru Received March 1, 2019; revised March 1, 2019; accepted March 20, 2019 Abstract—The carbon structure of intact and demineralized coal of different metamorphic development is studied by Raman spectroscopy. After removing the mineral component of coal, the defect content of the car- bon framework is decreased, and its structure is enriched with graphite-like fragments. Demineralization of the initial samples results in similar structure of the carbon framework, regardless of the metamorphic stage of the coal; the ratio of the integral intensities of the D and G bands is 0.78 ±
Coke and Chemistry – Springer Journals
Published: Aug 27, 2019
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