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| Extraction of Calcium from Copper Sulfate Solution with P204 |
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Received:November 13, 2012
Revised:November 13, 2012
Accepted:November 14, 2012
Published Online:April 23, 2013
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| DOI：10.3969/j.issn.1007-7545.2013.05.004 |
| KeyWord:P204; extraction; separation of copper and calcium; countercurrent extraction; copper sulfate solution |
| Author | Institution |
| ZhuJun |
西安建筑科技大学冶金工程学院 |
| XuWanxiang |
西安建筑科技大学冶金工程学院 |
| HonTao |
西安建筑科技大学冶金工程学院 |
| LiZhiren |
西安建筑科技大学冶金工程学院 |
| ZhuoWen |
金川公司铜盐厂 |
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| Abstract: |
| P204 was chosen to extract calcium from copper sulfate solution, taking high calcium of impurities in copper sulfate products into consideration. The effects of P204 mass concentration, O/A, extraction time, and equilibrium pH value of aqueous phase on separation of copper and calcium were investigated. The results show that the optimum conditions of P204 extraction include P204 mass concentration of 0.9 mol/L, O/A=5∶1, oscillation time of 3 min, and pH value of 1.5. The calcium mass concentration in water phase is below 5 mg/L after 4-stage countercurrent extraction. |
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