Efremova T. A., Tsypin E. F., Ovchinnikova T. Iu. – The Ural State Mining University, Ekaterinburg, the Russian Federation. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Mamonov S. V. – OAO “Uralmekhanobr”, Ekaterinburg, the Russian Federation. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Elizarov D. B. – Ural State University of Economics, Ekaterinburg, the Russian Federation.

For the operating and designed factories of low and medium capacity, efficient solution for the compensation of
valuable components content consists in the preliminary concentration. For polymetallic ore, it is reasonable to use
X-ray fluorescence separation, which makes it possible to calculate the content of several valuable components in the
sorted lumps. The work studies the possibility of using X-ray fluorescence separation for preliminary concentration of
polymetallic ore at Korbalikhinsky deposit. At the initial stage of the study, the separation thresholds have been chosen,
the flowsheet for testing has been determined, and various modes of concentration have been studied. It has been
determined that, under the use of X-ray radiometric separation it is possible to educe 20–25% final tailings towards
the initial mass of ore. At that, copper, lead, and zinc valuable components losses range within the limits of 2.0–3.8%,
0.3–0.9%, 0.4–1.0% correspondingly. The development of the algorithm of division by means of introducing weight
coefficients into the analytical parameter, which take into account the relative value of the components, will make it
possible to improve technological indices of X-ray radiometric separation.

Key words: polymetallic ore; X-ray radiometric separation; division algorithm; analytical parameter; concentration mode;
the spectrum for the secondary characteristic X-ray radiation.

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