DOI: 10.18503/1995-2732-2020-18-4-12-23
Abstract
Problem Statement: A horizontal integration of gold mining enterprises of various production capacity solves the urgent problem of increasing gold production by developing deposits with a small stock of gold, as well as man-made waste with an economic effect. Objectives: Development of an organizational and technological approach to the joint development (for example, by a holding) of a group of geographically close gold-bearing facilities, differing in gold reserves, and operational synergy is achieved due to economies of scale. While maintaining production capacity and number of employees, specific investment, technological and organizational costs decrease; the holding brings in more aggregate value than operations of individual enterprises in total. Originality: The authors revealed and substantiated the joint processing of gold-bearing ores and man-made waste from alluvial gold mining, which made it possible to consider their mineral resource bases as reserves of a single deposit developed by the holding's enterprises, while reducing specific capital expenditure and operating cost by increasing the production capacity of the enterprise. Findings: The research proved high technological efficiency of gold recovery by flotation from an artificial charge made up of heavy concentrate separated from boulders and dredging waste by gravity concentration methods and ores of the primary gold deposit. The laboratory studies were used to simulate cash flows resulting from the joint processing of these georesources. The technology assessment criteria are net cash income and internal rate of return. Practical Relevance: The values of the economic criteria allow us to consider the joint processing of ores and placers of gold using the developed technological solutions as a cost-effective innovative project.
Keywords
Ore gold, technology-related placer, joint processing, gravity, flotation, economic assessment.
For citation
Evdokimov S.I., Gerasimenko T.E., Trotsenko I.G. Feasibility Study of the Joint Processing of Gold Ores and Placers. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2020, vol. 18, no. 4, pp. 12–23. https://doi.org/10.18503/1995-2732-2020-18-4-12-23
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