Roasting and Cyanide Leaching Process Study on As, Sb and C Content Refractory Gold Concentrate
           
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DOI:doi:10.3969/j.issn.1007-7545.年份.期号.顺序号
KeyWord:As, Sb, C content refractory gold concentrate,Antimony removal,Roast,Cyanide leaching,
YUAN Chao-xin,WANG Yun
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Abstract:
      The gold extraction recovery from Zhenyuan arsenic and antimony bearing carbnous concentrate with cyanide leaching process is less than 10%, and it can be raised to 73.2% with roasting-cyandiation process. The gold recovery can be improved further to 90.4% with antimony removal with sodium sulfide, followed by roasting and cyanide leaching process. The antimony concentrates can be sold as by product.
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