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PROCESSING AND COMPLEX USAGE OF MINERAL RAW MATERIALS
ArticleName Continuous flow process technology of stockpiling of X-ray radiometric separation tailings in mined-out open pit mine at Primorsky Mining and Processing Integrated Works
DOI 10.17580/gzh.2016.01.16
ArticleAuthor Zakharov I. V., Voroshilov A. G., Terekhina Yu. V.
ArticleAuthorData

Uralmekhanobr, Ekaterinburg, Russia:

I. V. Zakharov, Head of a subdivision, Zaharov_iv@umbr.ru
A. G. Voroshilov, Principal Project Engineer
Yu. V. Terekhina, Principal Specialist, Candidate of Engineering Sciences

Abstract

By now, mine waste dumps and processing tailings storages have accumulated immense amount of mineral resources capable to supply mining industry given the modern day advance in technology and equipment of mineral dressing. As against natural deposits, general reserves of useful components contained in mine waste and tailings as well as their averaged quality are known with high reliability. In terms of additional extraction of in-place tungsten ore reserves at Vostok-2 deposit, Primorsky Mining and Processing Integrated Works, using hybrid open pit/underground mining method, the authors describe THE original solutions and recommendations on recovery of useful residue from off-grade ore stockpiles and mine waste dumps with further placement of the rejects in minedout area of open pit mines. The conceptual project accomplished by Uralmekhanobr at a level of feasibility study represents sequence (phases) of excavating of WO<sub>3</sub>-bearing overburden and low-grade ore dumps, X-ray radiometric separation of waste material (prime dressing) and placement of XRS rejects in the bowl of an open pit mine. To this effect, it is recommended to use movable (portable) crushing-and-separation unit (CSU) and telescopic radial stacker conveyor THOR Т-150, which implement continuous flow process technology of WO<sub>3</sub>-bearing mining waste processing and XRC rejects placement in mined-out area of open pit mines.

keywords Tungsten ore deposit, open pit and underground mining, depletion of geological reserves, WO3-bearing overburden dumps, mining and X-ray radiometric separation (XRS), disposal of XRS rejects in open pit mine bowl, stacker conveyor.
References

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