Electrochemical Reduction Of Eu (III) For The Recovery Of Eu From Rare Earth Materials Solution Using Turbulent-induced Cell | 11422
Journal of Material Sciences & Engineering
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Europium is one of the most important rare earth (RE) elements. It is widely used as a component of cathode ray tubes, with
screen coated with red phosphor, as phosphorescent pigments, and in laser optics. It can also be used as neutron-absorbing
material. In aqueous solutions, RE principally exists as a stable trivalt.tit species. Separation of Eu (III) from other RE (III)
is problematic because their chemical properties are similar. Reduction of Eu (III) to its divalent state enables its subsequent
separation from RE (III) by means of Eu (II) sulfate precipitation. Chemical reduction using zinc or zinc amalgam is the traditional
method, and other techniques based on electrochemical reduction. Electrochemical reduction of Eu (III) does not give rise to
Zn (II) impurity unlike chemical reduction and also proceeds faster than chemical reduction. Therefore, the feasibility of Eu (III)
electro reduction was investigated using turbulent-induced cell.
Kyeong Woo Chung has completed his Ph.D. at the age of 31 years from Yonsei University and had worked for Hyundai Motors Group. He is the
senior researcher of KIGAM. He has published many papers in reputed journals and has been serving as an Editorial Board Member of
Korea Institute of Resource Recycling.
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