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Influence of Preliminary Demineralization on the Alkylation of Brown Coal in a Microwave Field

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Abstract

The results of a study of the effect of preliminary demineralization in a microwave field on the interaction of brown coal with butanol in the presence of an acid catalyst are reported. The effectiveness of the preliminary demineralization of coal with a solution of hydrochloric acid before the extraction of bituminous substances from coals was demonstrated. The influence of microwave irradiation intensity on the processes of coal alkylation was considered. The coal matter alkylation process was represented as a set of consecutive and simultaneous reactions. The individual and group compositions of the modified products were analyzed. It was established that the alkylating activation of coal in a microwave field facilitated the modification of its organic components and the production of detarred waxes.

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Authors and Affiliations

  1. Institute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, Karaganda, 470061, Kazakhstan

    S. D. Fazylov, Zh. B. Satpaeva, G. Zh. Karipova, T. S. Zhivotova, Zh. S. Akhmetkarimova & A. E. Arinova

Authors
  1. S. D. Fazylov
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  2. Zh. B. Satpaeva
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  3. G. Zh. Karipova
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  4. T. S. Zhivotova
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  5. Zh. S. Akhmetkarimova
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  6. A. E. Arinova
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Corresponding author

Correspondence to S. D. Fazylov.

Additional information

Original Russian Text © S.D. Fazylov, Zh.B. Satpaeva, G.Zh. Karipova, T.S. Zhivotova, Zh.S. Akhmetkarimova, A.E. Arinova, 2018, published in Khimiya Tverdogo Topliva, 2018, No. 3, pp. 61–65.

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Fazylov, S.D., Satpaeva, Z.B., Karipova, G.Z. et al. Influence of Preliminary Demineralization on the Alkylation of Brown Coal in a Microwave Field. Solid Fuel Chem. 52, 201–205 (2018). https://doi.org/10.3103/S0361521918030035

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  • DOI: https://doi.org/10.3103/S0361521918030035

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