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THE SUBSTANTIATION OF THE METHODOLOGY OF STOCKPILING AND CONSERVATION OF RARE-EARTH - RARE METAL PROCESSING WASTE UNDER THE ENVIRONMENTAL RESTRICTIONS

E. V. Gromov

First published: 2018-06-20https://doi.org/10.5593/sgem2018/1.3/s03.129View metrics

Abstract

A tough requirement for the development of the Partomchorr apatite-nepheline ore deposit containing rare-earth elements is a performance of environmental safety of production, because a sanitary zone of the projected mining and processing plant sides with the boundaries of the existing Simbozersky nature reserve and the created Khibiny national park. The studies have substantiated reasonability of the Partomchorr deposit development by a combined mining method; in the first stage step-by-step mining of four open pits with a total capacity of 35 mln m3 is performed. The proposed solutions for the ore processing waste disposal include the stacking of dewatered tailings in the mined pit void space, the storage of the remaining tailings in an overburden downhill tailing on the industrial site with a view to stage-by-stage restoration. The proposed approach to stockpile the processing waste from the Partomchorr deposit makes it possible to reduce the transportation distance by 5.5 times and the area of the surface tailing dump by 2.22 times. It allows refusing a tailing pond and, as a result, reducing production costs, including annual environmental payments. Decrease of the volume and distance of waste transportation, a significant reduction in surface tailings and a step-by-step consolidation of dusting surfaces allow minimizing the mining-induced load in the area of specially protected arctic natural territories as a result of reducing the risks of man-made accidents, diminishing the aerosol pollution, and the areas of disturbed natural ecosystems.

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Publication details

Title
THE SUBSTANTIATION OF THE METHODOLOGY OF STOCKPILING AND CONSERVATION OF RARE-EARTH - RARE METAL PROCESSING WASTE UNDER THE ENVIRONMENTAL RESTRICTIONS
Authors
E. V. Gromov
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining
Publisher
STEF92 Technology
Year
2018
Pages
1029-1036
SWS Citekey
Gromov2018310291036
ISSN
1314-2704
ISBN
978-619-7408-37-9
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
Keywords
apatite-nepheline oredeposit developmentecological restrictionscombined miningdewatered waste of ore processingstacking
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