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| Solvent Extraction of Copper from Ammoniacal/Ammonium Sulfate Medium with Mextral 54-100 |
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Received:July 03, 2018
Revised:July 06, 2018
Accepted:July 09, 2018
Published Online:October 16, 2018
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| DOI：doi：10.3969/j.issn.1007-7545.2018.11.003 |
| KeyWord:Mextral 54-100; β-diketone; solvent extraction; copper |
| Author | Institution |
| Zeng Lei |
北京科技大学冶金与生态工程学院 |
| Wang Chengyan |
北京科技大学冶金与生态工程学院 |
| Ma Baozhong |
北京科技大学冶金与生态工程学院 |
| Chen Yongqiang |
北京科技大学冶金与生态工程学院 |
| Xing Peng |
北京科技大学冶金与生态工程学院 |
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| Abstract: |
| Solvent extraction of copper from ammoniacal/ammonium sulfate medium using Mextral 54-100 was investigsted. Effects of extractant concentration, phase ratio, extraction time and pH value of initial leach solution on copper extraction were examined. The results show that capacity of one-stage copper extraction is 29.66 g/L under the optimum conditions including 40% volume concentration of extractant, phase ratio of O/A=1/1, and extraction time of 4 min. Copper stripping rate with 170 g/L H2SO4 is 92.59% from loaded organic phase. Theoretical stage of extraction is determined by of McCabe-Thiele Isothermy Graphic Method. After two-stage countercurrent extraction, the simulation results correspond with the data, and copper concentration in raffinate is about 0.06 g/L. |
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