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Journal of Mining Sciences

2016 year, number 6

Magnetization of Minerals by Radiation and Heating and Its Prospects in Mineral Processing

S. A. KONDRAT’EV, V. I. ROSTOVTSEV, I. I. BAKSHEEVA
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
Keywords: минеральное сырье, пирит, бокситы, оловянные продукты, обработка ускоренными электронами, сухая магнитная сепарация, mineral raw material, bauxite, tin products, accelerated electron treatment, dry magnetic separation

Abstract

The article presents data of experimental studies into magnetic properties of iron-bearing sulfide and nonsulfide minerals under radiation and heating. It is found that bulk magnetic susceptibility has increased more than 100 times in pyrite and by 6 times in bauxite ore. Usefulness of radiation-and-heating magnetization in modification and processing of bauxite and tin-bearing minerals is demonstrated.