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The Technological Research on Extracting Gold from Mixed Oreof Donggualin Section of Zhenyuan Gold Mine

Shaodong Wang

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Abstract

The technology of extracting gold from mixed ores of Donggualing Section of Zhenyuan Gold Mine was introduced in the article. Due to the finegrained dissemination of gold,high oxidation of pyrite,and gold trapped by the sulphide and the carbonaceous matter which affect the efficiency of gold leaching,the single flowsheet of flotation or cyanidation leaching was not satisfied to get a high recovery index,therefore,a combined flowsheet, flotationcyanidation leaching with resin adsorption,has been used.The total recovery is high to 85.46%.

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What this paper is about

The technology of extracting gold from mixed ores of Donggualing Section of Zhenyuan Gold Mine was introduced in the article. Due to the finegrained dissemination of gold,high oxidation of pyrite,and gold trapped by the sulphide and the carbonaceous matter which affect the efficiency of gold leaching,the single flowsheet of flotation or cyanidation leaching was not satisfied to get a high recovery index,therefore,a combined flowsheet, flotationcyanidation leaching with resin adsorption,has been used.The total recovery is high to 85.46%.

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Available abstract

The technology of extracting gold from mixed ores of Donggualing Section of Zhenyuan Gold Mine was introduced in the article. Due to the finegrained dissemination of gold,high oxidation of pyrite,and gold trapped by the sulphide and the carbonaceous matter which affect the efficiency of gold leaching,the single flowsheet of flotation or cyanidation leaching was not satisfied to get a high recovery index,therefore,a combined flowsheet, flotationcyanidation leaching with resin adsorption,has been used.The total recovery is high to 85.46%.

Key concepts: Gold cyanidation, Leaching (pedology), Pyrite, Gold ore, Gold extraction, Adsorption, Chemistry, Metallurgy

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