A method of predicting hydrogen sulfide accumulation zones in sylvinite layers of potash mines and rapid determination of rock gas content by hydrogen sulfide
A.N. Zemskov1, A.V. Nikolaev2, D.D. Zhebelev2
1 Giprotsvetmet JSC, St. Petersburg, Russian Federation
2 Perm National Research Polytechnic University, Perm, Russian Federation
Russian Mining Industry №1 / 2024 стр. 60-64
Abstract: Intensification of potash salt mining, widespread use of high-performance continuous miners, involvement of gasbearing formations in mining are accompanied by release of natural poisonous gases into the atmosphere of mine workings, which explains the need to ensure safe working conditions for the miners. The article presents the researche results that helped to develop a methodology for predicting accumulation zones of one of the most hazardous poisonous gases, i.e. hydrogen sulfide. A correlation was established between the hydrogen sulfide concentration, presence of organic substances and the content of magnesium chloride in the rocks. The article describes methods to determine the accumulation areas of hazardous sulfurcontaining gases based on the trench sampling and laboratory test data, which makes it possible to take timely protective measures to ensure safety of the miners. The developed method is based on creation of the correlation fields for various geochemical attributes such as the NaCl, KCl, MgCl2 content and others. A close correlation between the content of organic carbon in the rocks and magnesium chloride indicates the degree of salt recrystallization, as evidenced by an increase in the hydrogen sulfide content. In addition, the article describes an express method to determine the gas content in rocks, which enables a quick and accurate assessment of hydrogen sulfide concentration directly in the mine workings, thus providing the possibility of prompt response to the hazards. Thus, the methodology proposed by the authors serves not only to identify the potentially hazardous areas, but also to prevent dangerous situations associated with the release of poisonous gases in potash mines. The research and practical approaches described in the article as well as the developed recommendations contribute to enhancing the efficiency of mine ventilation, which in turn leads to minimization of the risks to health and life of the miners.
Keywords: gas content of rocks, hydrogen sulfide, organic matter, trench sampling, magnesium chloride, gas protective breathing masks
Acknowledgements: The reported study was funded by RFBR and Perm Territory, project number 20-45-596025.
For citation: Zemskov A.N., Nikolaev A.V., Zhebelev D.D. A method of predicting hydrogen sulfide accumulation zones in sylvinite layers of potash mines and rapid determination of rock gas content by hydrogen sulfide. Russian Mining Industry. 2024;(1):60–64. (In Russ.) https://doi.org/10.30686/1609-9192-2024-1-60-64
Article info
Received: 13.12.2023
Revised: 15.01.2024
Accepted: 17.01.2024
Information about the authors
Alexander N. Zemskov – Dr. Sci. (Eng.), Professor, Deputy Director for Science and Innovation, Giprotsvetmet Institute, St. Petersburg, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Alexander V. Nikolaev – Dr. Sci. (Eng.), Professor of the Department of Mining Electromechanics, Perm National Research Polytechnic University, Perm, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Daniil D. Zhebelev – Student of the Faculty of Mining and Petroleum, Perm National Research Polytechnic University, Perm, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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