• Title/Summary/Keyword: Froth Floatation

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The Survey on Froth Floatation of Low Grade Copper Ore from the Australia (호주산 저품위 동광의 부유선별에 관한 특성조사)

  • Kim, Joon Soo;Kim, Woo Jin;Hwang, Ha;Kim, Myong Jun;Kim, Wantae
    • Resources Recycling
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    • v.25 no.6
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    • pp.98-104
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    • 2016
  • The purpose of this study is to obtain an optimum condition of the concentrate by floatation using Australian low grade copper ore of suitable particle size by crushing, grinding and sizing. The effect of the dosage of collector, activator, depressant and change of acidity on the floatation was investigated. The floatation conditions comprising of pH 9.0 acidity, 500g/t $CuSO_4{\cdot}5H_2O$ activator, 500g/t K.E.X. collector, 1500g/t $Na_2SO_3$ depressant and 25wt.% plup density were optimized. Grade and recovery of copper in the concentrate obtained by froth floatation under optimum conditions were 4wt.% and 65wt.% respectively.

A Study on the Selective Leaching of the Copper Component by Sulfation Process (황산화 배소법에 의한 구리성분의 선택적 침출연구)

  • Kim, Woo Jin;Kim, Joon Soo;Kim, Myong Jun;Tran, Tam;Lee, Jin-Young;Shin, Shun-Myung
    • Resources Recycling
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    • v.25 no.5
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    • pp.57-63
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    • 2016
  • This study were carried out sulfation roasting and selective leaching test for the effective recovery of copper component in concentrate obtained by froth floatation of Autrallian low grade copper ore. The optimum conditions of sulfation roasting were temp. $450^{\circ}C$, $Na_2SO_4$ 2 mole ratio and time 1.5 h, and then selective leaching were room temperature and $H_2O$ or 1M $H_2SO_4$ solutions. Leaching efficiency of optimum sulfation product were 90 wt.% of copper, 20 wt.% of iron and 15wt.% of nickel elements. In this results, it was possible to selective decomposition leaching of the copper component under optimum conditions in this research.