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ArticleName Study of the composition and properties of the copper ore processing tailings of PJSC Gaysky Mining and Processing Plant
DOI 10.17580/or.2021.02.08
ArticleAuthor Babenko D. A., Pashkevich M. A.

Saint Petersburg Mining University (Saint Petersburg, Russia):

Babenko D. A., Post Graduate,
Pashkevich M. A., Head of Chair, Doctor of Engineering Sciences, Professor


The article provides the results of studies to establish the environmental impact of the copper ore processing tailings storage facilities of PJSC Gaysky Mining and Processing Plant on the natural waters, as well as to estimate the value of the tailings if used as a technogenic raw material. The work was carried out using the results of the grainsize analysis and qualitative and quantitative assays of the copper ore processing tailings from the TSF of the concentrator, as well as the results of surface and ground water sampling in the area of the TSF. The grain-size analysis was carried out by the sieve method and used to classify the processing tailings into four size classes. The X-ray fluorescence analysis method was used to establish the composition of the tailings; the predominance of oxides of silicon, iron, sulfur, and aluminum was observed. Using an inductively coupled plasma emission spectrometer and an atomic absorption spectrometer, the total contents of heavy metals and toxic elements were measured, as well as the gold and silver grades. The results obtained indicate that operation of the copper ore processing tailings storage facilities is associated with the washout of both valuable and hazardous chemical components with the infiltration waters into the groundwater.
All chemical studies and assays were carried out at the Scientific and Educational Center for Shared Use of the St. Petersburg Mining University and the laboratory of the Process Research Department of JSC Mekhanobr Engineering.

keywords Pollution of natural waters, migration of heavy metals, copper ore processing tailings, technogenic mass, tailings storage facilities, technogenic deposit

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