| 碳纳米管薄膜对重金属离子吸附的研究及应用 |
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| 引用本文： | 刘行,熊智淳,陈袆东,张巍巍,潘丽坤,孙卓.碳纳米管薄膜对重金属离子吸附的研究及应用[J].大连理工大学学报,2011,51(Z1):49-52. |
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| 作者姓名： | 刘行 熊智淳 陈袆东 张巍巍 潘丽坤 孙卓 |
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| 作者单位： | 华东师范大学纳光电集成与先进装备教育部工程研究中心;华东师范大学物理学系;华东师范大学通信工程系; |
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| 基金项目： | 国家大学生创新性实验计划资助项目(091026901) |
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| 摘 要： | 采用刮涂法制备碳纳米管(CNT)薄膜,以铜离子(Cu2+)为例,研究了其吸附去除重金属离子的行为.结果表明,碳纳米管薄膜吸附Cu2+满足Langmuir等温吸附;278 K时符合准二级动力学模型,而在298 K和318 K时符合准一级动力学模型;在298 K时CNT薄膜吸附Cu2+的最大吸附量为4.14 mg/g.在应用层面,设计了一套基于该CNT薄膜的水处理器件.
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| 关 键 词： | 吸附 碳纳米管薄膜 铜离子 水处理器件 |
Studies and applications on adsorption of heavy metal ions on carbon nanotube film |
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| LIU Hang,XIONG Zhi-chun,CHEN Yi-dong,ZHANG Wei-wei,PAN Li-kun,SUN Zhuo.Studies and applications on adsorption of heavy metal ions on carbon nanotube film[J].Journal of Dalian University of Technology,2011,51(Z1):49-52. |
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| Authors: | LIU Hang XIONG Zhi-chun CHEN Yi-dong ZHANG Wei-wei PAN Li-kun SUN Zhuo |
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| Institution: | LIU Hang*1,2,XIONG Zhi-chun1,CHEN Yi-dong1,3,ZHANG Wei-wei1,PAN Li-kun1,SUN Zhuo11.Engineering Research Center for Nanophotonics and Advanced Instrument,Ministry of Education,East China Normal University,Shanghai 200062,China,2.Department of Physics,3.Department of Communication Engineering |
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| Abstract: | The carbon nanotube(CNT) film prepared by doctor blade was used for physical adsorption of such heavy metal ions as copper(II) ion.The experimental results show that the adsorption is described well by the Langmuir adsorption isotherm model.The pseudo-second-order kinetic model provides better correlation of the experimental data at 278 K,while pseudo-first-order kinetic model provides better correlation at 298 K and 318 K.Meanwhile,the maximal adsorption capacity of CNT film at 298 K is 4.14 mg/g.In the as... |
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| Keywords: | adsorption carbon nanotube film copper ion water treatment device |
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