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| Experimental study on antimony removal from high-antimony solution of zinc oxide leaching system |
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Received:August 28, 2013
Revised:August 29, 2013
Accepted:August 30, 2013
Published Online:February 12, 2015
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| DOI： |
| KeyWord:Zinc Oxide, High-antimony;solution, oxydrolysis, Antimony;removal |
| Author | Institution |
| Yongxiang Li |
Yunnan Copper Group Ministry of Science and Technology,Yunnan Copper Industry Group Co Ltd |
| Xingzheng Dai |
Yunnan Copper Group Ministry of Science and Technology,Yunnan Copper Industry Group Co Ltd |
| Peng Zeng |
Yunnan Yuntong Zinc Co., Ltd |
| Mengyang Huang |
Yunnan Yuntong Zinc Co., Ltd |
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| Abstract: |
| The process of oxidation first then hydrolysis precipitation was used in removing Sb from the high-antimony solution of zinc oxide leaching system in this paper. The effects of reaction time, addition amount of potassium permanganate, reaction temperature and the pH value of high-antimony solution on the removal rate of antimony were investigated. The experimental results indicated that 94% of antimony was removed from the high-antimony solution of zinc oxide under the condition of 45min reaction time, 50℃, pH 3.8 and 1.4 times theoretical addition amount of potassium permanganate, and that the antimony content of the residual solution was lower than 2mg/L. |
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