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| Study of Magnesium Removal in Hydrometallurgical Process of Manganese |
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Received:December 02, 2013
Revised:December 12, 2013
Accepted:December 12, 2013
Published Online:May 23, 2014
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| DOI：10.3969/j.issn.1007-7545.2014.06.004 |
| KeyWord:manganese sulfate electrolyte; sulfuration precipitation; recrystallization; fluoridation precipitation; magnesium removal rate |
| Author | Institution |
| LIANG Teng-yu |
中南大学 化学化工学院 |
| Yang Chao |
中南大学 化学化工学院 |
| Yang Hai-tang |
中南大学 化学化工学院 |
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| Abstract: |
| The removal of magnesium impurity from manganese sulfate electrolyte in manganese production by electrolytic process was studied. Magnesium was removed from manganese sulfate solution with or without removal of heavy metal impurities by recrystallization and fluoridation precipitation respectively. The results show that the magnesium removal rate of 92.74% is achieved by sulfide precipitation to remove heavy metal impurities followed by fluoridation precipitation to remove magnesium impurity. |
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