Medvedieva O., Yakubenko L., Kopach P., Danko T., Moldabayev S. Development of a classifier of beneficiation waste for the formation of man-made deposits
- Details
- Parent Category: Geo-Technical Mechanics, 2025
- Category: Geo-Technical Mechanics, 2025, Issue 172
Geotech. meh. 2025, 172, 57-64
DEVELOPMENT OF ACLASSIFIER OFBENEFICIATION WASTE FOR THE FORMATION OF MAN-MADE DEPOSITS
1M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine
2Satbayev University
UDC 622.7
Language: English
Abstract. The authors of the article consider the current state of tailing dumps of mining and processing plants in Kryvyi Rih, present the particle size distribution of the Central GOK's tailings, the volume and mass of particles of useful component and barren rocks of different fractions of beneficiation waste. It has been shown that over many decades of operation of Kryvyi Rih GOKs, huge masses of beneficiation waste have accumulated in tailings ponds covering an area of approximately 10 thousand hectares, which are estimated at 5–8 billion tons with a total iron content of 14–18% and can be considered technogenic deposits.
According to the results of the research, it was determined that today, for the sustainable development of Kryvyi Rih, an important area is the extraction of anthropogenic mineral raw materials from tailings as formed by man-made placers in the process of beneficiation waste storage, by minimizing both costs and negative environmental impact. Therefore, the development of a classifier of beneficiation waste for the formation of technogenic placers by selective extraction useful component from the flow of beneficiation waste during their hydraulic transportation from the beneficiation plant to the place of their separate storage.
It has been established that the mass fraction of barren rocks in the productive layer is 1.5–1.8 times less than that of the potentially productive layer. The mass fraction of unproductive layer is 12.5%, consists only of barren rocks. The results of the studies have shown that the parameters of the granulometric composition of the beneficiation waste of the Kryvbas mining and processing plant can vary significantly from one another, and therefore it is necessary to determine the upper limits of the weighing of mineral particles and the qualitative composition of each of the separated layers of the hydromixture based on the actual indicators of each of the mining and processing plants. A classifier has been developed that separates the flow of the beneficiation waste hydromixture into three components with selective extraction of the productive layer. The use of the classifier developed by the authors for the selective extraction of the productive layer with a useful component from the total flow of the hydromixture will allow achieving the set goal, namely: ensuring the possibility of forming a man-made deposit with a high content of useful minerals.
Keywords: beneficiation waste, tailings, granulometric composition, classifier, productive layer.
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About the authors:
Medvedieva Olha, Doctor of Technical Sciences (D. Sc.), Senior Researcher, Senior Researcher in Department of Ecology of Development of Natural Resources, M. S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. (Corresponding author)
Yakubenko Leonid, Candidate of Technical Sciences (Ph.D.), Senior Researcher, Senior Researcher in Department of Ecology of Development of Natural Resources, M. S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.
Kopach Pavlo, Candidate of Technical Sciences (Ph.D.), Senior Researcher, Senior Researcher in Department of Ecology of Development of Natural Resources, M. S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.
Danko Tamara, Senior Engineer in Department of Ecology of Development of Natural Resources, M. S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine,
This email address is being protected from spambots. You need JavaScript enabled to view it.
Moldabayev Serik, Doctor of Technical Sciences (D. Sc.), Associate Professor, Head of Mining Department, Satbayev University, Almaty, The Republic of Kazakhstan, s.moldabayev@satbayev.university