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Experimental investigation on treating processes of a Cu-baring gold concentrate

Jiao Ruiqi(Henan Jinqu Gold Stock Company)  
Some charactes of the Cu-baring gold concentrate from Xiaoqinling district is presented.The Experimental results by two different processes treating the Cu-baring concentrate were compared.The first was separation flotation of copper and sulfide following Au-baring sulfide concentrate cyanidaion.The second was that cyanidation after alkali leaching was followed by flotation of cyanide residue.The second was better than the first for treating the Cu-baring gold concentrate in economic efficiency.The concentrate cyanided using water treated specially was also investigated to increase gold recovery.The result presents a new suggestion to improve cyanide processes.
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