Rapid selective extraction of V(V) from leaching solution using annular centrifugal contactors and stripping for NH4VO3
Jing, Xiaohua1,2; Wang, Jianyou1; Cao, Hongbin2; Ning, Pengge2; Sun, Zhi2
2017-10-31
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
卷号187页码:407-414
摘要

The efficient and rapid selective extraction of V(V) from leaching solution with sulfated primary amine N1923 was demonstrated. In the single-stage extraction using annular centrifugal contactor (ACC), the influence of the total flow and the speed rotor on extraction percentage of V(V) was investigated using central composite design (CCD), and the results of experimental conditions were analyzed by analysis of variance. The current concentrations of V(V) and Cr(VI) in leaching solution were 23.70g/L and 1.52g/L, respectively. 99.6% of vanadium was extracted and separated from the aqueous solution by employing four-stage countercurrent extraction with annular centrifugal contactors (ACCs). The total contact/resident time of the two phases was 4.8 min, and the separation factor of V(V) and Cr(VI) was 273.9. The two metals in leaching solution can be separated primarily, and then 23.61g/L V(V) and 0.72g/L Cr(VI) in loaded organic phase can be further separated by the stripping. The NH4VO3 with purity of 99.7% was obtained by two steps of separations and studied by the analyses of XRD, SEM and particle size distribution (PSD). The reactions of extraction and stripping in the separation processes were investigated in order to establish a firm conclusion. (C) 2017 Published by Elsevier B.V.

关键词Annular Centrifugal Contactors Selective Extraction Stripping Two-step Separation Nh4vo3 Leaching Solution
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.seppur.2017.06.078
收录类别SCI
语种英语
关键词[WOS]Bearing Vanadium Slag ; Enantioselective Extraction ; Acid Enantiomers ; Primary Amine ; Waste-water ; Chromium ; Simulation ; Separation ; System ; Solubility
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者Youth Innovation Promotion Association, Chinese Academy of Sciences(2016042) ; National Natural Science Foundation(51425405) ; National Key Technology Support Program of China(2015BAB02B05)
WOS记录号WOS:000409150700043
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23215
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Nankai Univ, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Div Environm Technol & Engn, Beijing Engn Res Ctr Proc Pollut Control, Beijing 100190, Peoples R China
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Jing, Xiaohua,Wang, Jianyou,Cao, Hongbin,et al. Rapid selective extraction of V(V) from leaching solution using annular centrifugal contactors and stripping for NH4VO3[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2017,187:407-414.
APA Jing, Xiaohua,Wang, Jianyou,Cao, Hongbin,Ning, Pengge,&Sun, Zhi.(2017).Rapid selective extraction of V(V) from leaching solution using annular centrifugal contactors and stripping for NH4VO3.SEPARATION AND PURIFICATION TECHNOLOGY,187,407-414.
MLA Jing, Xiaohua,et al."Rapid selective extraction of V(V) from leaching solution using annular centrifugal contactors and stripping for NH4VO3".SEPARATION AND PURIFICATION TECHNOLOGY 187(2017):407-414.
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