DBPapers
DOI: 10.5593/sgem2011/s04.120

STUDY ON PYRITE LIBERATION AT PRE-TREATMENT OF TALC RAW MATERIAL

AUTHOR/S: S. HREDZAK, M. MATIK, J. BRIANCIN, M. LOVAS, S. JAKABSKY
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 1, 1195-1202 pp

ABSTRACT

The paper deals with the study on pyrite liberation from talc raw material. The material
comes from deposit nearby Gemerska Poloma village (Eastern Slovakia). A lumpy
material was subjected to crushing, grain size and float-sink analyses. Heavy and light
products were also assayed. XRD study of selected products of float-sink analysis was
carried out.

Thus, it was found that iron and sulphur concentrate in a grain size classes of 0.5-3mm,
above all in 1-2mm. The highest mass yield of heavy product was attained in a class of
1-2mm, namely 15%. This product contains 44.62% S and 37.06% Fe. Talc was
identified in light products. Pyrite as a dominant mineral was detected in heavy
products. It is accompanied magnesite, dolomite and talc.

Keywords: talc, pyrite, float-sink analysis, XRD

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