Effect of a Crushing Technique on Lead-Zinc Ore Processing Performance
N. G. BARNOV1, A. A. LAVRINENKO2, O. G. LUSINYAN2, V. V. CHIKHLADZE2
1Institute of Mineralogy, Geochemistry and Crystal Chemistry of Rare Elements, ul. Veresaeva 15, Moscow, 121357 Russia
2Academician Melnikov Institute of Integrated Mineral Development, Kryukovskii tupik 4, Moscow, 111020 Russia
Keywords: свинцово-цинковая руда, дробление, объемное сжатие, гранулометрический состав продуктов, обогащение, магнитная сепарация, флотация, lead-zinc ore, crushing, triaxial compression, grain-size distribution, processing, magnetic separation, flotation
Abstract
Under consideration is the influence of various crushing techniques on the particle-size distribution and selectivity of dissociation of basic mineral components in the composition of Dalnegorsk complex ore under pretreatment. Distribution of basic elements per size grades is determined in crushing feed and in products of magnetic separation and flotation. Conditions of preparation and separation of disintegration products are described. The authors illustrate the change in the dissociation selectivity criterion in jaw crushing and in disintegration in press to prepare different size ore for processing by magnetic separation and flotation.
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