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| Experimental study on treating cyanide solids by SO2-Air method |
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Received:October 17, 2014
Revised:November 18, 2014
Accepted:November 19, 2014
Published Online:October 29, 2015
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| DOI： |
| KeyWord:SO2—Air method; decyanation; cyanide removing rate; |
| Author | Institution |
| SUN Cong |
Beijing General Research Institute of Mining Metallurgy |
| Wang Wei-zhen |
Beijing General Research Institute of Mining Metallurgy |
| Chang Yao-chao |
Beijing General Research Institute of Mining Metallurgy |
| Li Yun |
Beijing General Research Institute of Mining Metallurgy |
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| Abstract: |
| This paper made a description of treating cyanide solids by SO2-Air method. The influences of reaction time，original pH，the addition of CuSO4 and Na2S2O5 on treating result were investigated. The results showed that the cyanide mass concentration of treated water was 0.01 mg /L when cyanide solids concentration is 45%，pH = 10.5, the addition of CuSO4 is 0.37kg/tsolids, the addition of Na2S2O5 is 0.5g/L, reaction time is 3h，which was a good result. |
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