Composition and Physicochemical Properties of Coal Fractions with Different Densities
N. I. FEDOROVA1, S. YU. LYRSHCHIKOV1, L. M. KHITSOVA1, Z. R. ISMAGILOV1,2
1Institute of Coal Chemistry and Material Science, Siberian Branch of the Russian Academy of Sciences, Pr. Sovetskiy 18, Kemerovo 650000 (Russia)
2Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Lavrentyeva 5, Novosibirsk 630090 (Russia)
Keywords: black coal, fractional analysis, thermogravimetric analysis, coking, plastometry
Abstract
Separation of low-caking coal of KS technological grade into fractions with different densities was carried out. Their composition and chemical-technological properties were studied. It was established that the most aromatic fusainized components of coal are concentrated in coal fractions with the density higher than 1.40 g/cm3. The maximal content of vitrinite gelified substances is characteristic of coal fractions with the density lower than 1.30 g/cm3.
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