Semiempirical Model for the Solubility of Rare Earth Oxides in Molten Fluorides
Guo, Xiaoling1; Sun, Zhi1,2; Sietsma, Jilt1; Yang, Yongxiang1
2016-04-27
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
卷号55期号:16页码:4773-4781
摘要The importance of recycling and producing rare earth (RE) materials has been highlighted by the critical raw materials study in the European Union (EU). Oxide-fluoride electrolysis is one of the dominant technologies to produce rare earth metals (REMs) or alloys. The solubility of rare earth oxides (REOs) is one of the critical issues during this process. In this research, a model is developed to predict the REO solubility in molten fluorides, based on the systematic analysis of different influential factors and fundamental understanding of the dissolution reactions. The average relative deviation of the model from the experimental data extracted from the literature is 8% for Nd2O3 and 7% for Y2O3, respectively, which is well within the experimental uncertainty. The fitting parameters can indicate the influence of different composition quantitatively. It is also found that the solubility is correlated with the ion charge density of the cations in the molten salts.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.iecr.5b04892
收录类别SCI
语种英语
关键词[WOS]DISSOLUTION ; MELTS
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者EU FP7 project REEcover(603564)
WOS记录号WOS:000375244900039
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21021
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Delft Univ Technol, Dept Mat Sci & Engn, Mekelweg 2, NL-2628 CD Delft, Netherlands
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
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Guo, Xiaoling,Sun, Zhi,Sietsma, Jilt,et al. Semiempirical Model for the Solubility of Rare Earth Oxides in Molten Fluorides[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2016,55(16):4773-4781.
APA Guo, Xiaoling,Sun, Zhi,Sietsma, Jilt,&Yang, Yongxiang.(2016).Semiempirical Model for the Solubility of Rare Earth Oxides in Molten Fluorides.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,55(16),4773-4781.
MLA Guo, Xiaoling,et al."Semiempirical Model for the Solubility of Rare Earth Oxides in Molten Fluorides".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 55.16(2016):4773-4781.
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