Influence of material composition of biological pond bed on waste water treatment in mining and metallurgy industries

For the remediation of anthropogenically contaminated objects, for wastewater treatment and reclamation of disturbed lands, it is necessary to investigate effectiveness of artificial geochemical barriers. The latter can be constructed using rocks, soils, clay soils, various industrial waste and manmade soils. To this effect, within the framework of the research, the possibility of using industrial waste (dunite mining waste and ash-and-slag) widespread in the Great Urals region as a sorbent was considered. In order to assess usability of industrial waste for the treatment of wastewater generated during copper–pyrite ore mining, samples taken in the territory of mined-out Degtyarskoe deposit of copper–pyrite ores were used as model solutions. The calculation of the static exchange capacity of potential sorbents has been carried out, and the degree of extraction of the pollutant from water has been assessed. According to the analysis of the obtained experimental data, the tendency of the sorption process is traceable. The test samples exhibited maximal static exchange capacity (SEC) and copper extractability (E): SEC from 23.1 to 30.7 mg/kg and E is 100 %. The data obtained are the basis for the development of methods for the ecological rehabilitation of disturbed ecosystems, in particular, in assessment of usability of industrial waste in construction of beds for biological ponds for the treatment of waste water from mining and metallurgical plants.

Sobenin A. V., Antoninova N. Yu., Usmanov A. I., Shepel K. V. Influence of material composition of biological pond bed on waste water treatment in mining and metallurgy industries. MIAB. Mining Inf. Anal. Bull. 2021;(5—2):273—282. [In Russ]. DOI: 10.25018/0236_1493_2021_52_0_273.

The article was prepared within the framework of the RFBR grant No. 20-45660014 «Research of migration patterns and accumulation of heavy metals in natural systems experiencing local technogenic load of mining and metallurgical enterprises in order to develop effective methods of their environmental rehabilitation» and with the financial support of the Government of the Sverdlovsk region.

Sobenin A. V.¹, Junior Research at the Mining Ecology Laboratory, arsob@yandex.ru;
Antoninova N. Yu.¹, Cand. Sci. (Eng.), Head of the Mining Ecology Laboratory, natal78@list.ru;
Usmanov A. I.¹, Junior Research at the Mining Ecology Laboratory;
Shepel K. V.¹, Junior Research at the Mining Ecology Laboratory;
¹ Institute of Mining, Ural Branch, Russian Academy of Sciences, Ekaterinburg, Russia

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