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| Experimental Study on Selective Arsenic Removal from High Arsenic Bearing Lead Anode Slime |
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Received:October 22, 2013
Revised:October 23, 2013
Accepted:October 28, 2013
Published Online:April 22, 2014
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| DOI：10.3969/j.issn.1007-7545.2014.05.002 |
| KeyWord:high arsenic bearing lead anode slime; selective; arsenic removal |
| Author | Institution |
| qin xiao long |
郴州市金贵银业股份有限公司 |
| xie zhao feng |
郴州市金贵银业股份有限公司 |
| liuwanli |
郴州市金贵银业股份有限公司 |
| tan lin |
郴州市金贵银业股份有限公司 |
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| Abstract: |
| Selective arsenic removal from high arsenic bearing lead anode slime was conducted in alkaline system by feeding air. The effects of dosage of caustic soda, air flow, leaching temperature and time on arsenic removing rate were investigated. The results show that the arsenic removing rate is 95% above under the optimum conditions including dosage of caustic soda of 1.4 times of theoretical value, air flow of 100 L/h, ratio of liquid to solid of 5∶1, leaching temperature of 80 ℃, size of anode slime of 0.15~0.178 mm, and leaching duration of 2 h. |
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