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| Gold Extraction Process Study on Refractory Gold Concentrate with As and Sb Content |
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Received:March 29, 2011
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.10.009 |
| KeyWord:Gold refractory concentrate with Sb,As content; Basic leaching; Roasting; Cyanide leaching |
| Author | Institution |
| CHANG Yao-chao |
北京矿冶研究总院 |
| LIU Da-xue |
北京矿冶研究总院 |
| WANG Yun |
北京矿冶研究总院 |
| YU Qun-bo |
北京矿冶研究总院 |
| WEI Qi-jin |
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| Abstract: |
| The gold extraction recovery from refractory gold concentrate with As and Sb content using cyanide leaching process is only 42.79%, and it can be raised to 48.22% using roasting-cyandiation process. The gold recovery can be improved further to 86.3% by antimony removing with sodium sulfide, followed by roasting, milling and cyanide leaching process, while antimony removal rate reached to 96.6%, antimony can be sold as by-product. |
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