| 酚羟基修饰吸附树脂对2-萘酚的吸附性能研究 |
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| 引用本文： | 袁应霞,孟冠华,刘宝河,吴玉玲. 酚羟基修饰吸附树脂对2-萘酚的吸附性能研究[J]. 安徽工业大学学报, 2013, 30(3): 255-260 |
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| 作者姓名： | 袁应霞 孟冠华 刘宝河 吴玉玲 |
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| 作者单位： | 安徽工业大学建筑工程学院,安徽马鞍山,243032 |
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| 基金项目： | 国家自然科学青年基金，安徽省教育厅基金 |
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| 摘 要： | 利用化学修饰法合成酚羟基修饰吸附树脂LM-6,通过批量吸附实验考察LM-6对2-萘酚的吸附热力学及动力学行为。结果表明,在实验条件下,LM-6对2-萘酚的吸附数据符合Freundlich吸附等温方程且为优惠吸附,吸附能力随着温度的升高而增加。吸附自由能变G<0,表明吸附过程是自发的过程;S<0,表明吸附过程中熵增加。吸附平衡时间为10 h,吸附动力学数据符合拟二级动力学方程和颗粒内扩散模型。
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| 关 键 词： | 吸附树脂 2-萘酚 吸附等温线 吸附动力学 |
Research on Adsorption Properties of 2-Naphthol by Resin Modified with Phenolic Hydroxyl Group |
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| YUAN Yingxia , MENG Guanhua , LIU Baohe , WU Yuling. Research on Adsorption Properties of 2-Naphthol by Resin Modified with Phenolic Hydroxyl Group[J]. Journal of Anhui University of Technology, 2013, 30(3): 255-260 |
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| Authors: | YUAN Yingxia MENG Guanhua LIU Baohe WU Yuling |
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| Affiliation: | (School of Civil Engineering and Architecture, Anhui University of Technology, Ma＇anshan 243032, China) |
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| Abstract: | Resin modified with the phenolic hydroxyl group was prepared to study adsorption properties of 2-naphthol from aqueous solution. The thermodynamic and kinetic adsorption behaviors were investigated through batch adsorption experiments. The results show： LM-6 adsorption of 2-naphthol fit Freundlich equation very well and the adsorption process was favorable ones, while adsorption capacities increased with the increase of temperature. ΔG 〈 0 implied that the adsorption process is spontaneous, and ΔS 〉 0 indicated that the entropy increased during the adsorption process. From the kinetic adsorption experiment, the adsorption equilibrium reached in 10 h and the adsorption process obeyed pseudo-second-order adsorption model and intra-particle diffusion model very well. |
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| Keywords: | adsorption resin 2-naphthol adsorption isotherms adsorption kinetics |
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