CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Quantitative Study on Dissolution Behavior of Nd2O3 in Fluoride Melts
Guo, Xiaoling1; Sun, Zhi1,2; Sietsma, Jilt1; Blanpain, Bart3; Guo, Muxing3; Yang, Yongxiang1
2018-02-07
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume57Issue:5Pages:1380-1388
AbstractThe dissolution of rare earth oxides in molten fluorides is a critical step in the preparation of the corresponding rare earth metals by oxide-fluoride electrolysis. However, quantitatively understanding the nature of dissolution, especially in the case of molten salts, is usually difficult to be achieved by postmortem characterization. In this paper, the dissolution behavior of Nd2O3 particles in molten fluorides was studied via in situ observation with confocal scanning laser microscopy. Combining direct observation with thermodynamic analyses on the oxide dissolution, the rate-limiting step(s) and the effects of parameters like temperature, salt type, and composition on the dissolution rate are identified. This study provides a methodology to estimate the dissolution kinetics of rare earth oxides in molten fluorides during their primary and secondary processing.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acs.iecr.7b04125
Indexed BySCI
Language英语
WOS KeywordIN-SITU OBSERVATION ; SOLUBILITY ; DIFFUSION ; PARTICLES ; METALS ; OXIDES ; SLAGS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationEU FP7 project REEcover(603564) ; CAS Pioneer Hundred Talents Program
WOS IDWOS:000424851800006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24047
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
3.Katholieke Univ Leuven, Dept Mat Engn, Kasteelpk Arenberg 44 Box 2450, B-3001 Leuven, Belgium
Recommended Citation
GB/T 7714
Guo, Xiaoling,Sun, Zhi,Sietsma, Jilt,et al. Quantitative Study on Dissolution Behavior of Nd2O3 in Fluoride Melts[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2018,57(5):1380-1388.
APA Guo, Xiaoling,Sun, Zhi,Sietsma, Jilt,Blanpain, Bart,Guo, Muxing,&Yang, Yongxiang.(2018).Quantitative Study on Dissolution Behavior of Nd2O3 in Fluoride Melts.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,57(5),1380-1388.
MLA Guo, Xiaoling,et al."Quantitative Study on Dissolution Behavior of Nd2O3 in Fluoride Melts".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 57.5(2018):1380-1388.
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