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
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
卷号57期号:5页码:1380-1388
摘要The 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.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.iecr.7b04125
收录类别SCI
语种英语
关键词[WOS]IN-SITU OBSERVATION ; SOLUBILITY ; DIFFUSION ; PARTICLES ; METALS ; OXIDES ; SLAGS
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者EU FP7 project REEcover(603564) ; CAS Pioneer Hundred Talents Program
WOS记录号WOS:000424851800006
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24047
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
3.Katholieke Univ Leuven, Dept Mat Engn, Kasteelpk Arenberg 44 Box 2450, B-3001 Leuven, Belgium
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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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