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Journal of Mining Sciences

2014 year, number 2

Forecasting Preliminary Mechanical Activation Effect on Ilmenite and Arizonite Concentration Involving X-Ray Crystal Analysis

E. V. BOGATYREVA1, A. V. CHUB2, A. G. ERMILOV1
1National University of Science and Technology (MISiS), Leninskii pr. 4, Moscow, 119049 Russia
2Solikamsk Magnesium Works, ul. Pravdy 9, Solikamsk, 618500 Russia
Keywords: ilmenite concentrate, arizonite concentrate, mechanical activation, hydrochloric acid leaching, X-ray crystal analysis

Abstract

It is possible to forecast variation in energy content and reactivity of ilmenite and arizonite concentrates after their mechanical activation using data of X-ray crystal analysis. It is found that energy of ilmenite and arizonite after mechanical activation differs from energy of structural failures within the minerals. Effect of the energy, accumulated in the course of mechanical activation in the form of the surface energy and microstrains, on the subsequent leaching process has been proved. The efficient preliminary mechanical activation of ilmenite and arizonite makes the background for manufacturing of artificial rutile from available mineral raw material.