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Study of extracting gold from copper bearing gold concentrate by roasting aqueous leaching cyaniding process

Chen Qingbang Nie Xiaojun (Dept. of Environment and Resources Engineering,Guangdong Industrial University)  
This paper made a description of gold extracting from copper bearing gold concentrate of a gold mine of Guangdong by roasting aqueous leaching cyaniding process.The test result proved this technology to be successful,the copper leach efficiency95%,the gold leach efficiency97%
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