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2013•Nonferrous Metals Engineering & ResearchRequires access

Copper Extraction and Recovery from Copper Bearing Refractory Gold Concentrate

WU Zai-jiu

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Abstract

The extraction technology was used to recover copper from copper bearing refractory gold concentrate and the effect of extractant concentration,ratio of oil phase to aqueous phase(O/A),mixing time and pH value was studied.The optimal process condition was obtained as follows: extractant concentration is 25%,O/A is 2:1,mixing time is 3min and pH value is 1.5～2.Under the best working conditions,the extraction rate of copper is 98.53% by two-stage counter current extraction.

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What this paper is about

The extraction technology was used to recover copper from copper bearing refractory gold concentrate and the effect of extractant concentration,ratio of oil phase to aqueous phase(O/A),mixing time and pH value was studied.The optimal process condition was obtained as follows: extractant concentration is 25%,O/A is 2:1,mixing time is 3min and pH value is 1.5～2.Under the best working conditions,the extraction rate of copper is 98.53% by two-stage counter current extraction.

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Available abstract

The extraction technology was used to recover copper from copper bearing refractory gold concentrate and the effect of extractant concentration,ratio of oil phase to aqueous phase(O/A),mixing time and pH value was studied.The optimal process condition was obtained as follows: extractant concentration is 25%,O/A is 2:1,mixing time is 3min and pH value is 1.5～2.Under the best working conditions,the extraction rate of copper is 98.53% by two-stage counter current extraction.

Key concepts: Copper, Extraction (chemistry), Copper extraction techniques, Bearing (navigation), Mixing (physics), Refractory (planetary science), Chemistry, Metallurgy

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