|
| Study on RE Extraction from Lixivium of Phosphoric Acid Leaching |
|
Received:July 09, 2015
Revised:July 14, 2015
Accepted:July 16, 2015
Published Online:December 24, 2015
|
| View Full Text View/Add Comment Download reader |
| DOI：10.3969/j.issn.1007-7545.2016.01.007 |
| KeyWord:rare earth; extraction; concentration crystallization; oxalate precipitation method |
| Author | Institution |
| maoxiaohao |
贵州大学材料与冶金学院 贵州 |
| jinhuixin |
贵州省冶金工程与过程节能重点实验室 贵州;贵州大学材料与冶金学院 贵州 |
| yangsong wangmeilong zhenxiaoqian wubaozheng |
贵州省冶金工程与过程节能重点实验室 贵州;贵州大学材料与冶金学院 贵州;贵州大学材料与冶金学院 贵州;贵州大学材料与冶金学院 贵州;贵州大学材料与冶金学院 贵州 |
|
| Hits: 2121 |
| Download times: 1726 |
| Abstract: |
| The effects of extracting rare earth by concentration crystallization method and oxalate precipitation method from phosphoric acid solution were investigated. The results show that increasing degree of phosphoric acid solution concentration with certain range is in favor of ∑REO crystallization. Crystallization rate of ∑REO is 69.31% when concentration ratio is 0.42. As high as about 11% under the chosen dosage and concentration of oxalate acid, the precipitation rate of ∑REO can reach to 62.29% when phosphate solution is twice concentrated by evaporation and addition of oxalic acid. |
| Close |