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投稿时间:2014-10-17 修订日期:2014-10-24
投稿时间:2014-10-17 修订日期:2014-10-24
中文摘要: 采用非皂化的酸性萃取剂P204和碱性萃取剂N235协同萃取钕。研究了P204与N235的配比、萃取剂浓度、水相酸度、稀土浓度对P204与N235协同萃取钕的影响。结果表明,当N235与P204以体积比6︰4、协同萃取剂与煤油的体积比1︰1、pH为3.0时协同萃取钕的效果最好,随着稀土料液浓度的增大,萃取量先增大后趋于平稳,并且最大饱和容量达28 g/L(REO),大于P204单独萃取钕的饱和容量。
Abstract:Neodymium was synergistic extracted by unsaponifiable acidic extractant P204 and alkaline extraction N235. The effects of ratio of P204 and N235, extractant concentration, aqueous phase acidity, and rare earth concentration on synergistic extraction of neodymium were investigated. The results show that the optimum synergistic extraction is obtained under the conditions including volume ratio of N235 and P204 of 6︰4, volume ratio of synergistic extractant and kerosene of 1︰1, and pH value of 3.0. Extraction capacity first rises and then tend to maintain with increase of concentration of rare earth feed liquid. The maximum saturation capacity of neodymium is 28 g/L (REO) which is higher than that of individual extraction of P204.
keywords: P204 N235 synergistic extraction neodymium
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基金项目:国家科技支撑计划项目(2012BAE01B01);国家高技术研究发展计划(863计划)项目(2012AA061904);国家杰出青年基金项目(51025416);教育部创新团队计划项目(IRT1065);内蒙古自治区高等学校创新团队发展计划项目(NMGIRT1104)
作者 | 单位 | |
常宏涛 | 内蒙古科技大学 材料与冶金学院 | cht158@163.com |
季尚军 | 内蒙古科技大学 材料与冶金学院 | nkdjsj99@163.com |
李梅* | 内蒙古科技大学 材料与冶金学院 | 201202220@stu.imust.cn |
柳召刚 | 内蒙古科技大学 材料与冶金学院 | |
张称心 | 内蒙古科技大学 材料与冶金学院 |
引用文本:
常宏涛,季尚军,李梅,柳召刚,张称心.P204与N235协同萃取钕的研究[J].有色金属(冶炼部分),2015(3):36-40.
chang hongtao,jishangjun,limei,liuzhaogang,zhang chen xin.Study on Synergistic Extraction of Neodymium by Mixtures of P204 and N235[J].Nonferrous Metals (Extractive Metallurgy),2015(3):36-40.
常宏涛,季尚军,李梅,柳召刚,张称心.P204与N235协同萃取钕的研究[J].有色金属(冶炼部分),2015(3):36-40.
chang hongtao,jishangjun,limei,liuzhaogang,zhang chen xin.Study on Synergistic Extraction of Neodymium by Mixtures of P204 and N235[J].Nonferrous Metals (Extractive Metallurgy),2015(3):36-40.