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

Slavomír Hredzák

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s04.120View metrics

Abstract

The paper deals with the study on pyrite liber ation from talc raw ma terial. The material comes from deposit nearby Gemerska Poloma village (Eastern Slovakia). A lumpy material was subjected to crushing, grain si ze and float-sink analyses. Heavy and light products were also assayed. XRD study of sel ected 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.

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Publication details

Title
STUDY ON PYRITE LIBERATION AT PRE-TREATMENT OF TALC RAW MATERIAL
Authors
Slavomír Hredzák
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
Keywords
talcpyritefloat-sink analysisXRD
References5

  1. Čorej P. An industrial mineral for the ne xt millenium, Acta Montanistica Slovaca, Slovakia, vol. 6/special issue – papers of PhD. students, pp 5-8, 2001. (in Slovak)

  2. Kilík J. Geological characteristic of the talc deposit in Geme rská Poloma - Dlhá dolina, Acta Montanistica Slovaca, Slovakia, vol. 2/issue 1, pp 71-80, 1997. (in Slovak)

  3. Petrasová K., Faryad SW., Je řábek P., Žá čková E. Origin and metamorphic evolution of magnesite-talc and adjacent rocks near Gemerská Poloma, Slovak Republic, Journal of Geosciences, vol. 52 pp 125–132, 2007.

  4. Chadwick J. Operation focus Slovakia, International Mining, vol. 2009/April, pp 60-

  5. Engel J.R. &. Steck W. Entdec kung und Erschließung der Talklagerstätte „Gemerská Poloma“ Slowakei – Beschreibung der Aufschlussvarianten und der Auswahlkriterien, BHM, Austria, 152 jg./heft 12, pp 420-424, 2007. (in German)

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