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Semiempirical Model for the Solubility of Rare Earth Oxides in Molten Fluorides
Guo, Xiaoling1; Sun, Zhi1,2; Sietsma, Jilt1; Yang, Yongxiang1
2016-04-27
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume55Issue:16Pages:4773-4781
AbstractThe 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.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acs.iecr.5b04892
Indexed BySCI
Language英语
WOS KeywordDISSOLUTION ; MELTS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationEU FP7 project REEcover(603564)
WOS IDWOS:000375244900039
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21021
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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