Формирование экологического ущерба при складировании сульфидсодержащих отходов обогащения полезных ископаемых

IF 2.4 Q2 MINING & MINERAL PROCESSING Journal of Mining Institute Pub Date : 2023-04-13 DOI:10.31897/pmi.2023.32
Mariya Pashkevich, Alexey Alekseenko, Ruslan Nureev
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引用次数: 1

Abstract

The mining industry is one of the most challenging in ensuring environmental safety. During the last century, the Karabash Copper Smelting Plant was processing sulfide ores and depositing the tailings into storage facilities that now occupy an area of more than 50 hectares. To date, abandoned tailings are a significant source of natural water, air, and soil pollution in the Karabash city district. The article comprehensively examines the environmental impact of the Karabashmed copper smelter, one of the oldest metallurgical enterprises in Russia. The effects of seepage from the two Karabashmed tailings facilities on water resources were assessed. We revealed that even outside the area of the direct impact of processing waste, the pH of natural water decreases to values 4-5. Further downstream, the infiltration water from the tailings pond No. 4 reduces the pH of river water to 3.0-3.5. The presented results of environmental engineering surveys are derived from sampling water and bottom sediments of the Ryzhiy Stream and the Sak-Elga River, sample preparation, and quantitative chemical analysis. The study revealed significant exceedances of the maximum permissible concentrations for a number of chemical elements in the impact zone of the copper ore processing tailings.
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在储存含硫化矿产废物时造成环境损害
采矿业是确保环境安全最具挑战性的行业之一。在上个世纪,卡拉巴什铜冶炼厂加工硫化物矿石,并将尾矿储存在目前占地50多公顷的储存设施中。迄今为止,废弃的尾矿是卡拉巴什城区自然水、空气和土壤污染的重要来源。本文全面考察了俄罗斯最古老的冶金企业之一卡拉巴什梅德铜冶炼厂对环境的影响。评价了两个卡拉巴什尾矿库的渗流对水资源的影响。我们发现,即使在加工废物直接影响的区域之外,天然水的pH值也降至4-5。再往下游,4号尾矿库的入渗水使河水pH值降至3.0-3.5。本文提出的环境工程调查结果来自于对Ryzhiy河和Sak-Elga河的水和底部沉积物取样,样品制备和定量化学分析。研究表明,在铜矿石加工尾矿的影响区内,许多化学元素的最大允许浓度显著超标。
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来源期刊
Journal of Mining Institute
Journal of Mining Institute MINING & MINERAL PROCESSING-
CiteScore
7.50
自引率
25.00%
发文量
62
审稿时长
8 weeks
期刊最新文献
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