| 混合萃取剂双氧水络合萃取分离钨钼的初步研究 |
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| 引用本文： | 欧惠,张贵清,关文娟,肖连生.混合萃取剂双氧水络合萃取分离钨钼的初步研究[J].中国钨业,2011,26(3):34-36. |
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| 作者姓名： | 欧惠 张贵清 关文娟 肖连生 |
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| 作者单位： | 中南大学,冶金科学与工程学院,湖南,长沙,410083;中南大学,稀有金属与材料制备湖南省重点实验室,湖南,长沙,410083 |
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| 摘 要： | 以双氧水为络合剂,采用混合萃取剂进行了高钼钨酸铵工业料液络合萃取分离钨钼的初步试验研究。试验考察了振荡平衡时间、双氧水用量、水相平衡pH值、温度等因素对钨钼萃取分离的影响,绘制了钼的萃取等温线并探索了反萃取方法。研究结果表明,该萃取体系具有良好的萃钼能力和钨钼分离性能,混合萃取剂浓度为45%的有机相对钼的饱和萃取容量达9.2 g/L,单级萃取钼钨分离系数可达50以上,NaOH溶液能有效反萃负载有机相。
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| 关 键 词： | 钨钼分离 络合 双氧水 萃取 |
On Separating Molybdenum from Tungsten by Solvent Extraction with Mixed Extractant Using H2O2 as Complex Agent |
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| OU Hui,ZHANG Gui-qing,GUAN Wen-juan,XIAO Lian-sheng.On Separating Molybdenum from Tungsten by Solvent Extraction with Mixed Extractant Using H2O2 as Complex Agent[J].China Tungsten Industry,2011,26(3):34-36. |
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| Authors: | OU Hui ZHANG Gui-qing GUAN Wen-juan XIAO Lian-sheng |
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| Affiliation: | OU Hui1,2,ZHANG Gui-qing1,GUAN Wen-juan1,XIAO Lian-sheng1,2(1.School of Metallurgical Science and Engineering,Central South University,Changsha 410083,Hunan,China,2.Key Lab of Hunan Province for Metallurgy and Material Processing of Rare Metals,China) |
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| Abstract: | This paper studies the separation of molybdenum from tungsten by solvent extraction using the hydrogen peroxide as complex agent from ammonium tungstate solution containing high molybdenum.The effects of equilibrium time,the dosage of H2O2,equilibrium pH value of water phase,temperature on separation of Mo from WO3 are investigated.The extraction isothermal for Mo was plotted and stripping method was explored.The results indicate that,the extraction system has a favorable capability for molybdenum extractio... |
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| Keywords: | separation of tungsten and molybdenum complex hydrogen peroxide solvent extraction |
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