Methodological approach to the need to assess the explosion and fire hazard properties of sulfide-containing polymetallic ores

The article discusses a methodological approach to the rapid assessment of toxicological and explosion-fire (endogenous) hazards in the process of mining operations associated with the extraction of sulfide polymetallic ore containing, first of all, chemically bound arsenic and sulfur, without the use of high-tech material and technical support and highly qualified scientific technical staff. A brief overview of the problem of the occurrence of toxicological and explosion-fire hazards arising in the process of mining operations associated with the extraction of such ores is given. It is shown that, despite all the measures and actions taken to prevent the occurrence of toxicological, endogenous and explosive hazards (explosion of sulfide dust) arising in the process of mining these ores, the problem of express assessment of the hazardous properties of rock mass is urgent. Purpose of the article: to analyze the methods that can be applied as express methods for assessing the hazardous properties of ore materials during their direct extraction in the mine and to propose options for how this or that express method can be implemented by a company that extracts polymetallic ores, directly at the face or in the shortest possible time without the use of highly scientific equipment. As the express methods considered in the article, more attention is paid to the method of experimental determination of the group of non-combustible solids and materials and the energy-dispersive X-ray fluorescence method.

Keywords: X-ray fluorescence analysis, logging, sulfide dust, chemically bound sulfur and arsenic, polymetallic ore, toxicological and explosion-fire hazard, dust explosion, endogenous hazard.
For citation:

Rodionov V. A., Karpov G. N., Leisle A. V. Methodological approach to the need to assess the explosion and fire hazard properties of sulfide-containing polymetallic ores . MIAB. Mining Inf. Anal. Bull. 2022;(6—1):198—213. [In Russ]. DOI: 10.25018/0236_1493_2022_61_0_198.

Acknowledgements:

The study was carried out at the expense of a subsidy for the fulfillment of the state task in the field of scientific activity for 2021 No. FSRW-2020-0014.

Issue number: 6
Year: 2022
Page number: 198-213
ISBN: 0236-1493
UDK: 622.8;331.453
DOI: 10.25018/0236_1493_2022_61_0_198
Article receipt date: 14.01.2022
Date of review receipt: 30.05.2022
Date of the editorial board′s decision on the article′s publishing: 10.05.2022
About authors:

Rodionov V. A., Cand. Sci. (Eng.), Associate Professor of the Department of Industrial Safety, https://orcid.org/0000-0003-2398-5829 Saint Petersburg Mining University, 199106, Saint Petersburg, 21st line V. O., 2, Russia, e-mail: Rodionov_VA@pers.spmi.ru;
Karpov G. N., Cand. Sci. (Eng.), Associate Professor of the Department of Mining Engineering, https://orcid.org/0000-0002-3763-2701 Saint Petersburg Mining University, Saint Petersburg 199106, Russia; Karpov_GN@pers.spmi.ru;
Leisle A. V., Cand. Sci. (Eng.), Associate Professor of the Department of Industrial Safety, https://orcid.org/0000-0002-2937-268X Saint Petersburg Mining University, 199106, Saint Petersburg, 21st line V. O., 2, Russia, e-mail: Leisle_AV@pers.spmi.ru.

 

For contacts:

Rodionov V. A., e-mail: Rodionov_VA@pers.spmi.ru.

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