Abstract
Further development of the open mining works on the domestic enterprises will be accompanied by the worsening of mining-geological conditions and declining of the quality of iron ore raw materials. In the same time, the accumulated mining wastes, that can make the technogenic deposits, pass into one of the important sources of the mineral raw materials. Taking into account this thing, the development and implementation of the modern technological circuits of the technogenic deposit development is an actual calling for mining industry, and determination and optimization of process conditions of the technogenic deposit development – is the scientific task of this publication. The obtained results of studies of the optimum step value of the ore chute transfer during the technogenic deposit development can be used by design organizations and mining enterprises for designing works. The obtained methodology and the proposed mathematical dependencies will reduce the cost of mining of the technogenic deposit due to the reasonable timely transfer of the open ore chute.
Highlights
As a result of activities of the mining and processing industry of the Kryvyi Rih region, hundreds of millions of cubic meters of production waste are accumulated on the surface in the form of overburden, sludge, slag, ash and so on, that increase the environmental load
Up to 13 billion tons of overburden and up to 6 billion tons of washery refuses of low-grade iron ores are contained in the dumps and tailings ponds of Kryvyi Rih mining and processing enterprises
For some rocks extracted from the depths along with iron ores, and for some areas of their application, the problem of recycling can be considered theoretically and practically solved
Summary
As a result of activities of the mining and processing industry of the Kryvyi Rih region, hundreds of millions of cubic meters of production waste are accumulated on the surface in the form of overburden, sludge, slag, ash and so on, that increase the environmental load. Up to 13 billion tons of overburden and up to 6 billion tons of washery refuses of low-grade iron ores are contained in the dumps and tailings ponds of Kryvyi Rih mining and processing enterprises. At the same time annual economic damage from environmental pollution is estimated at $300 million. The prospects for the development of mining are characterized by an increase of the mineral output with a constant decrease in their quality and complication of the conditions of exploitation of natural deposits. Deposits of low quality ores, comparable to the ores of technogenic deposits, will be involved in the development
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