| 偕胺肟基聚丙烯腈/蒙脱土纳米复合材料海水铀的吸附规律研究 |
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| 引用本文： | 陈卫军,林龙,沈江南,曾淦宁,周勇.偕胺肟基聚丙烯腈/蒙脱土纳米复合材料海水铀的吸附规律研究[J].海洋技术,2011,30(3):17-20. |
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| 作者姓名： | 陈卫军 林龙 沈江南 曾淦宁 周勇 |
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| 作者单位： | 浙江工业大学化材学院,浙江杭州,310014 |
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| 基金项目： | 国家自然科学基金项目(20906082); 浙江工业大学重中之重开放基金(20110950); 浙江省新苗人才计划项目(2010R403050) |
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| 摘 要： | 采用偕胺肟化聚丙烯腈/蒙脱土(APAN/MMT)复合纳米吸附材料对海水中的铀进行吸附,考察了吸附条件对APAN/MMT吸附铀量的影响,并对APAN/MMT吸附铀的动力学和热力学进行了探讨.结果表明:铀初始浓度、溶液温度较高、采用磁力搅拌吸附方式有利于吸附速率的提高,溶液pH对吸附性能有一定的影响,在pH为5时,平衡吸附...
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| 关 键 词： | 丙烯腈 蒙脱土 偕胺肟化 铀富集 |
Adsorption Principle of Uranium by Amidoxime Group Functionalized Poly-acrylonitrile/Montmorillonite Nancomposites |
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| CHEN Wei-jun,LIN Long,SHEN Jiang-nan,ZENG Gan-ning,ZHOU Yong.Adsorption Principle of Uranium by Amidoxime Group Functionalized Poly-acrylonitrile/Montmorillonite Nancomposites[J].Ocean Technology,2011,30(3):17-20. |
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| Authors: | CHEN Wei-jun LIN Long SHEN Jiang-nan ZENG Gan-ning ZHOU Yong |
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| Institution: | CHEN Wei-jun1,LIN Long1,SHEN Jiang-nan1,ZENG Gan-ning1,ZHOU Yong2(1.College of Chemical Engineering and Materials Science,Zhejiang University of Technology,Hangzhou Zhejiang 310014,China,2.National Engineering Research Center for Liquid Separation Membrane,Hangzhou Zhejiang 310012,China) |
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| Abstract: | The uranium adsorption by amidoxime group functionalized poly-acrylonitrile /montmorillonite(APAN/MMT) nancomposites is studied,the effect of the adsorption conditions on adsorption performance is investigated and the adsorption kinetics and isotherm is discussed.The results show that adsorption velocity of uranium using adsorption mode of magnetic stirring increases as initial concentration of uranium and solution increasing,the adsorption capacity of uranium is 3.07mg.g-1 at pH 5.0.The control step of ura... |
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| Keywords: | acrylonitrile montmorillonite amidoxime uranium concentration |
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