| 超高交联树脂对氯酚类化合物的吸附性能 |
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| 引用本文： | 王京平,费正皓,唐树和.超高交联树脂对氯酚类化合物的吸附性能[J].高分子材料科学与工程,2006,22(4):238-242. |
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| 作者姓名： | 王京平 费正皓 唐树和 |
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| 作者单位： | 江苏省滩涂生物资源与环境保护重点建设实验室盐城师范学院应用化学与环境工程研究所 江苏盐城224002 |
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| 基金项目： | 江苏省教育厅自然科学基金;江苏省重点实验室基金 |
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| 摘 要： | 通过静态吸附研究,比较了Am berlite XAD-4和ZH-01吸附树脂对水溶液中2-氯苯酚、2,4-二氯苯酚、2,4,6-三氯苯酚的吸附热力学特性。结果表明,在288 K~318 K和研究的浓度范围内,ZH-01、XAD-4对氯酚类化合物的吸附平衡数据符合F reund lich和L angm u ir吸附等温方程。2-氯苯酚在两树脂上的吸附为放热过程,是单分子层的物理吸附;而2,4-二氯苯酚和2,4,6-三氯苯酚在XAD-4吸附是单分子层物理吸附,在ZH-01的吸附属单分子层吸热过渡化学吸附,主要是毛细管凝聚和微孔填充作用造成的吸附。并计算了氯酚类化合物在两树脂上的吸附焓变、自由能变、吸附熵变,对吸附行为进行了合理的解释。
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| 关 键 词： | 超高交联树脂 氯苯酚 吸附热力学 |
| 文章编号： | 1000-7555（2006）04-0238-05 |
| 收稿时间： | 2005-11-04 |
| 修稿时间： | 2005-11-042006-02-26 |
The Adsorption of Chlorophenols on the Hypercrosslinked Polymeric Resins |
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| WANG Jing-ping, FEI Zheng-hao, TANG Shu-he.The Adsorption of Chlorophenols on the Hypercrosslinked Polymeric Resins[J].Polymer Materials Science & Engineering,2006,22(4):238-242. |
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| Authors: | WANG Jing-ping FEI Zheng-hao TANG Shu-he |
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| Affiliation: | Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, The Institute of Application Chemistry and Environmental Engineering of Yancheng Teachers College, Yancheng 224002, China |
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| Abstract: | A comparison study of the adsorption behaviors of chlorophenols on the hypercrosslinked adsorption resin with that on Amberlite XAD-4 and ZH-01 was made including the static equilibrium adsorption,the adsorption thermodynamics properties and so on.The results showed that the adsorption date fits into the Freundlich and Langmuir isotherm,and the uptake of 2-chlorophenol on ZH-01 is a type of physical adsorption,2,4-dichlorophenol or 2,4,6-trichlorophenol is a type of transitional chemical adsorption.The adsorption is exothermic process,thus lower temperature is better for adsorption. Estimations of the isosteric enthalpy of adsorption,free energy,and entropy of adsorption were reported and the adsorption behaviors were reasonably interpreted. |
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| Keywords: | hypercrosslinked resin chlorophenol adsorption thermodynamics |
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