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有色金属(冶炼部分):2021,(4):41-47
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含钒酸性溶液阴离子萃取分离钒铁的研究
孙颖, 张廷安, 吕国志, 张伟光, 麻海兰
(东北大学 冶金学院)
Separation of Vanadium and Iron from Vanadium-bearing Acidic Solution by Anion Extraction
SUN Ying, ZHANG Ting-an, LV Guo-zhi, ZHANG Wei-guang, MA Hai-lan
(School of Metallurgy,Northeastern University)
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投稿时间:2020-11-20    修订日期:2020-12-11
中文摘要: 采用叔胺萃取剂N235对含钒酸性溶液进行萃取,主要研究了萃取温度、振荡时间、萃取剂浓度、相比(O/A)及pH对钒、铁萃取分离效果的影响。结果表明,硫酸型N235从酸性溶液中萃取钒的机理是阴离子萃取,并且当温度为20~40 ℃,振荡时间3 min,N235浓度10%,O/A=1︰3,溶液pH为1.45~1.6时,单级萃取率可达到84%。
中文关键词: 溶剂萃取    叔胺萃取剂  N235  分离
Abstract:Vanadium-bearing acidic solution was extracted by tertiary amine extraction agent N235. Effects of extraction temperature, oscillation time, concentration of extractant, phase ratio (O/A), and pH value on separation of vanadium and iron were studied. The results show that mechanism of vanadium extraction from acidic solution by sulfuric acid N235 is anionic extraction. Single-stage extraction rate of vanadium can reach 84% under the conditions including temperature of 20-40 ℃, oscillation time of 3 min, concentration of N235 of 10%, O/A=1︰3, and pH value of solution of 1.45-1.6.
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基金项目:中央高校基本科研业务专项资金资助(N182504018);辽宁省科技计划基金(20180551008);国家自然科学基金资助项目(51874078)
引用文本:
孙颖,张廷安,吕国志,张伟光,麻海兰.含钒酸性溶液阴离子萃取分离钒铁的研究[J].有色金属(冶炼部分),2021(4):41-47.
SUN Ying,ZHANG Ting-an,LV Guo-zhi,ZHANG Wei-guang,MA Hai-lan.Separation of Vanadium and Iron from Vanadium-bearing Acidic Solution by Anion Extraction[J].Nonferrous Metals (Extractive Metallurgy),2021(4):41-47.

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