Overview of techniques and methods of processing the waste of stale clinkers of zinc production
ОБЗОР СПОСОБОВ И МЕТОДОВ ПЕРЕРАБОТКИ ОТВАЛА ЛЕЖАЛЫХ КЛИНКЕРОВ ЦИНКОВОГО ПРОИЗВОДСТВА
Gapparov J. Syrlybekkyzy S. Filin A. Kolesnikov A. Zhatkanbayev Y.
2024Publishing house Mining book
Mining Informational and Analytical Bulletin
2024Issue 444 - 55 pp.
This article presents an analysis of methods and approaches to the disposal of man–made waste — stale clinkers of zinc mining, which are accumulated in sufficiently large volumes in man-made dumps around the world. The research of scientists from a number of countries on the methods of their processing is considered in detail. As a result of the analysis, it was found that among the many described methods of recycling man-made waste from mining, in particular with regard to stale Ashisai clinkers, there is not a single integrated technological solution that differs in the completeness of processing or disposal. All attempts to process zinc clinker waste products involved re-enrichment or additional extraction with the formation of secondary dumps and tailings of enrichment. Stale clinkers began to form and accumulate in dumps from 1927 to 1995. Thus, in an open mountainous area in the Turkestan region near the village of Ashisai, stale clinkers remain stored in the dump in the amount of 7–7.5 million tons, having a negative impact on the environment. Based on the conducted research, the elemental and chemical composition of the technogenic dump was determined, according to the results of which it was found that the stale clinkers (slags) of zinc production contain in their chemical composition compounds of calcium, silicon, iron, aluminum, carbon and heavy non-ferrous metals such as zinc and lead. Based on the results of the research, a conclusion was formulated on the search for technological solutions for the utilization of man-made waste by its complex processing as secondary mineral raw materials, in particular as an iron-aluminum-silicate component of the raw material mixture in the production of Portland cement clinker.
anthropogenic impact , dust pollution , environmental protection , lead , man-made raw materials , protection , stale clinker , technosphere safety , zinc , zinc mining dumps
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Sh. Yesenov Caspian University of Technology and Engineering, Aktau, Kazakhstan
NUST MISIS, Moscow, Russian Federation
M. Auezov South Kazakhstan University, Shymkent, Kazakhstan
Sh. Yesenov Caspian University of Technology and Engineering
NUST MISIS
M. Auezov South Kazakhstan University
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