Research progress in the preparation of rare earth alloys by molten salt electrolysis method

2012 ◽  
Vol 42 (9) ◽  
pp. 1328-1336 ◽  
Author(s):  
XiuShen YE ◽  
ShiDong WANG ◽  
Min GUO ◽  
Quan LI ◽  
HaiNing LIU ◽  
...  
Keyword(s):  
Rare Earth ◽  
Molten Salt ◽  
Research Progress ◽  
Rare Earth Alloys ◽  
Molten Salt Electrolysis ◽  
Electrolysis Method

Recovery and separation of rare earth elements by molten salt electrolysis

2021 ◽  
Vol 28 (6) ◽  
pp. 899-914
Author(s):  
Tai-qi Yin ◽  
Yun Xue ◽  
Yong-de Yan ◽  
Zhen-chao Ma ◽  
Fu-qiu Ma ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Elements ◽  
Molten Salt ◽  
Molten Salt Electrolysis

Electrodeposition of rare-earth elements from neodymium magnets using molten salt electrolysis

2017 ◽  
Vol 20 (4) ◽  
pp. 1918-1922 ◽  
Author(s):  
Y. Kamimoto ◽  
T. Itoh ◽  
G. Yoshimura ◽  
K. Kuroda ◽  
T. Hagio ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Elements ◽  
Molten Salt ◽  
Molten Salt Electrolysis ◽  
Neodymium Magnets

scholarly journals Research Progress in Preparation and Purification of Rare Earth Metals

Metals ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 1376
Author(s):  
Hang Liu ◽  
Yao Zhang ◽  
Yikun Luan ◽  
Huimin Yu ◽  
Dianzhong Li
Keyword(s):  
Rare Earth ◽  
High Purity ◽  
Rare Earth Metals ◽  
Melting Zone ◽  
Thermal Reduction ◽  
Zone Melting ◽  
Research Progress ◽  
Molten Salt Electrolysis ◽  
Interstitial Impurities ◽  
Metallic Impurities

The purity of rare earth metals is one of the most important factors to research and develop high technique materials. However, high purity rare earth metals are not easily achieved. This review summarizes the preparation and purification methods of rare earth metals. First, the preparation principle and process of molten salt electrolysis and metal thermal reduction are introduced. The main sources of metallic impurities and interstitial impurities in rare earth metals as well as the action mechanism of reducing the concentration of different impurities are analyzed and summarized. Then, the purification principle and process of vacuum distillation, arc melting, zone melting, and solid state electromigration are also discussed. Furthermore, the removal effect and function rule of metallic impurities and interstitial impurities in rare earth metals are outlined. Finally, the crucial issues in the development of high purity rare earth metals are put forward, and the development direction of high purity rare earth metals in future are pointed out on this basis.

scholarly journals An Ex-ante LCA Study of Rare Earth Extraction from NdFeB Magnet Scrap Using Molten Salt Electrolysis

2018 ◽  
Vol 4 (4) ◽  
pp. 493-505 ◽  
Author(s):  
Rita Schulze ◽  
Aida Abbasalizadeh ◽  
Winfried Bulach ◽  
Liselotte Schebek ◽  
Matthias Buchert
Keyword(s):  
Rare Earth ◽  
Molten Salt ◽  
Ndfeb Magnet ◽  
Molten Salt Electrolysis ◽  
Ex Ante ◽  
Rare Earth Extraction

Growth of platelet-structured CuAlO2 thin film on CuAl alloy by molten salt electrolysis method

2012 ◽  
Vol 78 ◽  
pp. 95-98
Author(s):  
Haiyang Ding ◽  
Shigang Lu ◽  
Juanyu Yang ◽  
Surong Kan ◽  
Xiangjun Zhang
Keyword(s):  
Thin Film ◽  
Molten Salt ◽  
Molten Salt Electrolysis ◽  
Electrolysis Method

Study of Back Electromotive Force in the Preparation of Al-Ca Alloy by Molten Salt Electrolysis Method

2011 ◽  
Vol 233-235 ◽  
pp. 2765-2768
Author(s):  
Yi Yong Wang ◽  
Hui Jin ◽  
Fa Yu Wu ◽  
Ji Dong Li ◽  
Zhi Ying Wang
Keyword(s):  
Molten Salt ◽  
Current Density ◽  
Electromotive Force ◽  
Control Method ◽  
Cell Voltage ◽  
Feeding Period ◽  
Technological Parameters ◽  
Molten Salt Electrolysis ◽  
Potential Control ◽  
Electrolysis Method

Al-Ca master alloy was prepared by molten salt electrolysis method, using a mixed molten salt system of CaCl2-CaF2and feeding CaO as electrolysis material. The technological parameters such as back electromotive force (BEMF), cell voltage, and current were measured by testing device of molten salt electrolysis. The effects of current density, CaO addition, electrolysis time and feeding period on the back electromotive force in the electrolysis process are studied. The results indicate that back electromotive force increases with current density increasing, the feeding period is 30min measured by potential control method. Finally, the Al-Ca alloy with the Ca content of 11.6wt% can be obtained by electrolyzing for 1h at the current of 7A and at 740.

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