Wastes from coal mining and processing. Methodological approaches to the assessment of their ecological safety and directions for use. Part 2. Methods for the determination of mobile forms of macroand microelements in the wastes of coal mining, processing and combustion

A review is given on the methods used in Russia and abroad to determine the content of mobile forms (water-soluble and mobile) of elements in the wastes of mining, processing and combustion of coals. The results of interlaboratory studies of various authors have demonstrated that the concentration of such elements as aluminum, arsenic, selenium, iron, mercury, manganese, molybdenum and zinc in the extracts obtained from the processing of coal combustion waste, significantly depends on the features of the methods used. In the Russian Federation, the Sanitary Rules for determining the hazard class of toxic waste from production and consumption are the normative basis for assessing the impact of waste on the environment. For a preliminary assessment of the water-migratory hazard of waste, use is made of the provisional water-migration indicator, which characterizes the possible negative impact of the waste on the living conditions and human health as a result of the migration of its components to ground and surface waters. It is shown that currently in Russia there is no regulatory support for the assessment of this indicator in terms of the content of water-soluble forms of elements in the wastes of mining, processing and combustion of coals. Implementation of the d eveloped in 2019 National standard «Solid mineral fuel. Determination of the yield and composition of water-soluble forms of substances» into the practice of the work of accredited testing laboratories and specialized environmental organizations will allow us to proceed with the reliable and comparable estimates of coal mining, processing and combustion wastes.

Keywords: coal mining and processing wastes, environmental impact, leaching, leaching methods.
For citation:

Silyutin S. A., Epshtein S. A., Gushchina T. O. Wastes from coal mining and processing. Methodological approaches to the assessment of their ecological safety and directions for use. Part 2. Methods for the determination of mobile forms of macroand microelements in the wastes of coal mining, processing and combustion. MIAB. Mining Inf. Anal. Bull. 2020;(5):516. [In Russ]. DOI: 10.25018/0236-1493-2020-5-0-5-16.

Acknowledgements:

This work was financially supported by the Russian Foundation for Basic Research, grant 19-35-90117.

Issue number: 5
Year: 2020
Page number: 5-16
ISBN: 0236-1493
UDK: 658.567.1:622.33:504.064
DOI: 10.25018/0236-1493-2020-5-0-5-16
Article receipt date: 27.01.2020
Date of review receipt: 21.02.2020
Date of the editorial board′s decision on the article′s publishing: 20.03.2020
About authors:

S.A. Silyutin, Cand. Sci. (Eng.), JSC Siberian Coal and Energy Company (SUEK), Moscow, Russia, e-mail: silutinsa@suek.ru,
S.A. Epshtein1, Dr. Sci. (Eng.), Head of Laboratory, e-mail: apshtein@yandex.ru,
T.O. Gushchina1, Graduate Student, Engineer, e-mail: gushchina.t.o@gmail.com,
1 Scientific and Educational Testing Laboratory «Physics and Chemistry of Coals», National University of Science and Technology «MISiS», 119049, Moscow, Russia.

 

For contacts:

S.A. Epshtein, e-mail: apshtein@yandex.ru.

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