A Thermogravimetric Analysis Study of the Kuzbass Coals of Different Ranks |
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| Authors: | E R Khabibulina Z R Ismagilov N V Zhuravleva N I Fedorova S A Sozinov L M Khitsova R R Potokina |
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| Affiliation: | 1.Institute of Coal and Coal Chemistry, Siberian Branch,Russian Academy of Sciences,Kemerovo,Russia;2.Center of Collective Use, Institute of Coal and Coal Chemistry, Siberian Branch,Russian Academy of Sciences,Kemerovo,Russia;3.AO Zapadno-Sibirskii Ispytatel’nyi Tsentr (Western Siberia Testing Center),Novokuznetsk,Russia;4.Boreskov Institute of Catalysis, Siberian Branch,Russian Academy of Sciences,Novosibirsk,Russia |
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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. |
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