A Thermogravimetric Analysis Study of the Kuzbass Coals of Different Ranks


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Abstract

The coals of different ranks from the Kuznetsk Coal Basin were studied by thermogravimetric analysis in inert and oxidizing atmospheres. Correlations between thermal decomposition characteristics [maximum decomposition temperatures (Tmax, °C), maximum rates of decomposition (Vmax, %/min), and sample weight losses in different temperature ranges (Δm, %)] and proximate analysis [yields of volatile substances (Vdaf, %)] and petrographic analysis [vitrinite reflectance (Ro)] data and NMR-spectroscopic data [aromaticity factor ( fa)] as the characteristics of the degree of maturity of the test coals were established.

About the authors

E. R. Khabibulina

Institute of Coal and Coal Chemistry, Siberian Branch; AO Zapadno-Sibirskii Ispytatel’nyi Tsentr (Western Siberia Testing Center)

Author for correspondence.
Email: khabibulina_er@mail.ru
Russian Federation, Kemerovo, 650610; Novokuznetsk

Z. R. Ismagilov

Institute of Coal and Coal Chemistry, Siberian Branch; Boreskov Institute of Catalysis, Siberian Branch

Email: khabibulina_er@mail.ru
Russian Federation, Kemerovo, 650610; Novosibirsk, 630090

N. V. Zhuravleva

Institute of Coal and Coal Chemistry, Siberian Branch; AO Zapadno-Sibirskii Ispytatel’nyi Tsentr (Western Siberia Testing Center)

Email: khabibulina_er@mail.ru
Russian Federation, Kemerovo, 650610; Novokuznetsk

N. I. Fedorova

Institute of Coal and Coal Chemistry, Siberian Branch; Center of Collective Use, Institute of Coal and Coal Chemistry, Siberian Branch

Email: khabibulina_er@mail.ru
Russian Federation, Kemerovo, 650610; Kemerovo

S. A. Sozinov

Institute of Coal and Coal Chemistry, Siberian Branch; Center of Collective Use, Institute of Coal and Coal Chemistry, Siberian Branch

Email: khabibulina_er@mail.ru
Russian Federation, Kemerovo, 650610; Kemerovo

L. M. Khitsova

Institute of Coal and Coal Chemistry, Siberian Branch; Center of Collective Use, Institute of Coal and Coal Chemistry, Siberian Branch

Email: khabibulina_er@mail.ru
Russian Federation, Kemerovo, 650610; Kemerovo

R. R. Potokina

AO Zapadno-Sibirskii Ispytatel’nyi Tsentr (Western Siberia Testing Center)

Email: khabibulina_er@mail.ru
Russian Federation, Novokuznetsk

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