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Production practice of recovering gold by gold-loaded carbon burning smelting

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  • Tongguan Zhongjin Smelting Co.,Ltd.|SDIC Jincheng Metallurgy Co.,Ltd.|Tongguan Zhongjin Smelting Co.,Ltd.|Tongguan Zhongjin Smelting Co.,Ltd.|Tongguan Zhongjin Smelting Co.,Ltd.|SDIC Jincheng Metallurgy Co.,Ltd.
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Abstract:

Gold is recovered from cyanide barren solution by activated carbon adsorption method in a gold smelter.The gold-loaded carbon has high impurity content and low productivity.The gold recovery rate can be over 99 % by the gold-loaded carbon burning,gold collection by smelting with silver addition into carbon ash,silver recovery by silver electrowinning,hydrometallurgical refining of anode slime.The cost of gold-loaded carbon burning smelting is about 14.9 yuan/kg.The process requires less investment and has low production cost,short production cycle and high recovery rate.It bears promotion significance in recovering gold from gold-loaded carbon for similar enterprises.

Keywords:

gold-loaded carbon;burning;cyanide barren solution;smelting;electrowinning