| 花生壳活性炭对水中荧光素钠的吸附及动力学 |
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| 引用本文： | 龚正君,周文波,陈钰.花生壳活性炭对水中荧光素钠的吸附及动力学[J].环境工程学报,2013,7(1):221-225. |
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| 作者姓名： | 龚正君 周文波 陈钰 |
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| 作者单位： | 西南交通大学地球科学与环境工程学院,成都,610031 |
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| 基金项目： | 中央高校基本科研业务费专项资金资助项目(SWJTU12-CX020) |
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| 摘 要： | H3PO4活化花生壳炭(750℃)为吸附剂,荧光素钠为吸附质.考察了炭化温度、投加量、pH、离子强度、吸附时间以及初始浓度对花生壳活性炭吸附荧光素钠的影响.重点研究了花生壳活性炭对荧光素钠的等温吸附特征,并利用准一级、准二级动力学模型和颗粒内扩散方程对花生壳活性炭吸附荧光素钠的动力学过程进行了分析.结果表明,本实验条件下,Langmuir等温吸附模型能很好地描述花生壳活性炭对荧光素钠的吸附效果,吸附强度因子a为正值,表明吸附过程在本实验条件下可自发进行.通过带入实验数据校对得出准二级动力学方程能更好地描述花生壳活性炭对水中荧光素钠的吸附动力学过程.
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| 关 键 词： | 荧光素钠 花生壳活性炭 等温吸附 动力学 |
Adsorption and dynamics of active peanut shell carbon adsorbing fluorescein sodium |
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| Gong Zhengjun,Zhou Wenbo and Chen Yu.Adsorption and dynamics of active peanut shell carbon adsorbing fluorescein sodium[J].Techniques and Equipment for Environmental Pollution Control,2013,7(1):221-225. |
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| Authors: | Gong Zhengjun Zhou Wenbo and Chen Yu |
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| Institution: | Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China;Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China;Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China |
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| Abstract: | |
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| Keywords: | fluorescein sodium active peanut shell carbon isothermal adsorption kinetics |
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