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Analyses of Grinding and Gravity/Magnetic Separation with a View to Optimizing Mixed-Type Processing Technology for Rare Metals

  • MINERAL DRESSING
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Journal of Mining Science Aims and scope

Abstract

The studies into optimization of rare-metal ore processing using the mineralogical and process characteristics of the ore and by means of controlled combination of ore pre-treatment and gravity separation are presented. Grindabilties of low-grade loparite ore and current production material are compared, general patterns of generation of productive class –0.63 + 0.07 mm are found. Controlled grinding allows gravity separation of low-grade loparite ore at the level of performance of standard-grade crude ore processing. Regarding promising deposits of rare metals in Eastern Siberia, the authors analyze and select the optimal conditions of gravity separation in combination with spiral separation, table concentration, centrifugal concentration and high-power magnetic separation. The mixed-type gravity/magnetic separation technology with production of columbite and zirconium concentrates is developed.

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Authors and Affiliations

  1. Mining Institute, Kola Science Center, Russian Academy of Sciences, 184209, Apatity, Russia

    M. S. Khokhulya, S. A. Alekseeva, A. A. Cherezov & A. V. Fomin

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  1. M. S. Khokhulya
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  2. S. A. Alekseeva
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  3. A. A. Cherezov
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  4. A. V. Fomin
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Correspondence to M. S. Khokhulya.

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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2021, No. 3, pp. 168-181. https://doi.org/10.15372/FTPRPI20210316.

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Khokhulya, M.S., Alekseeva, S.A., Cherezov, A.A. et al. Analyses of Grinding and Gravity/Magnetic Separation with a View to Optimizing Mixed-Type Processing Technology for Rare Metals. J Min Sci 57, 511–522 (2021). https://doi.org/10.1134/S1062739121030169

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  • DOI: https://doi.org/10.1134/S1062739121030169

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