Obogashchenie Rud

This issue of the journal focuses on the theory and practice of iron-ore raw materials processing.

In particular, the ways for energy costs reduction and efficiency increase are proposed with regard to oxidized ferruginous quartzites processing technology (the article by I.I. Maximov et al.).

The block of articles in the section “Beneficiation processes” is devoted to the various aspects of magnetic separation. The results, obtained in the study of the vibratory fluidization effect upon fine-grained hematite ore dry magnetic separation economic figures (the article by V.A. Arsentyev et al.), demonstrate advisability of engineering production of prototypes for dry magnetic separation in fluidized layer. The studies of processes of floccules formation from magnetic particles (the article by E.A. Khopunov and S.L. Voronchikhin) are a contribution to development of the theory of magnetic separation of strong-magnetic ores and materials. Large-lump magnetite ore magnetic sorting complexes, presented by the Scientific Production Association SPA “Erga”, permit to increase concentrating plants’ capacity by feed ore by means of processing low-grade and cutoff grade ores, that could not involved in processing without ore magnetic sorting stage.

Special attention should be drawn to the review of the latest foreign iron ore projects, prepared by V.F. Baranov, whichin sufficient detail describes the processing flow sheets and equipmentprevailing in the world current iron-ore-dressing practices.

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