Email this article Desulfurization of Brown Coal in Water under Supercritical Conditions
- Authors: Savitsky D.P.1, Stanishevskii Y.M.1, Gizha S.S.2, Tur’yanskii A.G.2
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Affiliations:
- Institute of Biochemical Technology and Nanotechnology
- Lebedev Physical Institute
- Issue: Vol 52, No 3 (2018)
- Pages: 143-152
- Section: Article
- URL: https://journals.rcsi.science/0361-5219/article/view/176613
- DOI: https://doi.org/10.3103/S0361521918030114
- ID: 176613
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Abstract
A method for the desulfurization of brown coal by treatment in supercritical water (T = 673.15 K, P = 30 MPa) with the subsequent deposition of gaseous sulfur compounds on a copper substrate was proposed. The products were refined fuel with a low heat value of 24 MJ/kg and Cu2S films with a thickness of 0.1 mm. The semiconductor Cu2S films can be used for the preparation of thin-film photoelectric energy converters. The greatest degree of the removal of sulfur from the brown coal was observed after an hour. The main sulfur-containing gas formed upon the autoclave treatment of brown coal in supercritical water was H2S.
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About the authors
D. P. Savitsky
Institute of Biochemical Technology and Nanotechnology
Author for correspondence.
Email: den.83@mail.ru
Russian Federation, Moscow, 117198
Ya. M. Stanishevskii
Institute of Biochemical Technology and Nanotechnology
Email: den.83@mail.ru
Russian Federation, Moscow, 117198
S. S. Gizha
Lebedev Physical Institute
Email: den.83@mail.ru
Russian Federation, Moscow, 117924
A. G. Tur’yanskii
Lebedev Physical Institute
Email: den.83@mail.ru
Russian Federation, Moscow, 117924
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