COAL PREPARATION

Original paper

UDC 622.807.7 © A.I. Shipilov, Yu.F. Patrakov, S.G. Merkushov, S.A. Semenova, 2025

ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2025, № 2, pp. 34-41

DOI: http://dx.doi.org/10.18796/0041-5790-2025-2-34-41

A STUDY OF COAL WETTABILITY WITH MINERAL SURFACTANT SOLUTIONS

Authors

A.I. Shipilov, Yu.F. Patrakov, S.G. Merkushov, S.A. Semenova

1 Zirax Ltd, Perm’, 614034, Russian Federation

2 Federal Research Center of Coal and Coal-Chemistry of Siberian Branch of the Russian Academy of Sciences, Kemerovo, 650065, Russian Federation

3 Zirax Ltd, Volgograd, 404171, Russian Federation, e-mail: Anatoly.Shipilov@zirax.com

Authors Information

Shipilov A.I. – PhD (Chemical), Scientific supervisor for the development of salt systems and acid compositions, Department for Development and Implementation of New Projects, Zirax Ltd, Perm’, 614034, Russian Federation, e-mail: Anatoly.Shipilov@zirax.com

Patrakov Yu.F. - Doctor of Chemical Sciences, Professor, Chief Research Associate, Head of the Laboratory for Scientific Basis of Coal Preparation Technologies, Federal Research Center of Coal and Coal-Chemistry of Siberian Branch of the Russian Academy of Sciences, Kemerovo, 650065, Russian Federation, e-mail: yupat52@gmail.com

Merkushov S.G. - Head of the Department for Development and Implementation of New Projects, Zirax Ltd, Volgograd, 404171, Russian Federation, e-mail: Sergey.Merkushov@zirax.com

Semenova S.A. - PhD (Chemical), Leading Researcher of the Laboratory for Scientific Basis of Coal Preparation Technologies, Federal Research Center of Coal and Coal-Chemistry of Siberian Branch of the Russian Academy of Sciences, e-mail: semlight@mail.ru

Abstract

The paper discusses the challenges of controlling dusting and freezeup of coals. The key point for efficient solution of these problems is to provide conditions for effective wetting of the coal surface by mineral water-based brines. This study is focused on the influence of surfactants, components of water-mineral brines. A positive effect of surfactants on the process of wetting the surface of coal is demonstrated. The investigated surfactants are ranked in terms of their efficiency.

Keywords

Wetting, mineral water-based solution, surfactant, anionic, cationic, non-ionic surfactant, impregnation rate, wetting angle.

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For citation

Shipilov A.I., Patrakov Yu.F., Merkushov S.G., Semenova S.A. A study of coal wettability with mineral surfactant solutions. Ugol’. 2025;(2):34-41. (In Russ.). DOI: 10.18796/0041-5790-2025-2-34-41.

Paper Info

Received December 4, 2024
Reviewed December 16, 2024
Accepted December 26, 2024