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Low-Acid Extraction of Tantalum from a Tantalum-Niobium Pulp by MIBK
Yang, Xiuli1,2; Wang, Xiaohui2; Wei, Chang1; Zheng, Shili2; Zhang, Yi2
2013
Source PublicationSOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN
Volume20Issue:0Pages:159-168
AbstractThe technological parameters and the mechanism of low-acid pulp extraction of tantalum were investigated. The results show that hydrofluoric acid concentration, sulfuric acid concentration, organic to pulp phase ratio, the concentration of tantalum and niobium, contact time and temperature have a significant effect; optimum process operating parameters were established as follows: hydrofluoric acid concentration 1.6 mol/L, sulfuric acid concentration 0.6 mol/L, organic to pulp phase ratio 3:1, tantalum concentration 26.61 g/L, niobium concentration 11.64 g/L, contact time 5min and room temperature. Under these experimental conditions, tantalum extraction can reach more than 98% and the separation factors of Ta/Nb, Ta/Fe and Ta/Sn were maximal. According to slope analysis, the equimolar series method and the saturation capacity method, the extraction product was identified as 3MIBK center dot H2TaF7.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordLIQUID-LIQUID-EXTRACTION
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000322290600016
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13698
Collection研究所(批量导入)
Affiliation1.Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Yunnan, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang, Xiuli,Wang, Xiaohui,Wei, Chang,et al. Low-Acid Extraction of Tantalum from a Tantalum-Niobium Pulp by MIBK[J]. SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN,2013,20(0):159-168.
APA Yang, Xiuli,Wang, Xiaohui,Wei, Chang,Zheng, Shili,&Zhang, Yi.(2013).Low-Acid Extraction of Tantalum from a Tantalum-Niobium Pulp by MIBK.SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN,20(0),159-168.
MLA Yang, Xiuli,et al."Low-Acid Extraction of Tantalum from a Tantalum-Niobium Pulp by MIBK".SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN 20.0(2013):159-168.
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