中国科学技术大学学报 ›› 2010, Vol. 40 ›› Issue (7): 706-711.DOI: 10.3969/j.issn.0253-2778.2010.07.008

• 原创论文 • 上一篇    下一篇

大孔吸附树脂对芳香族化合物的吸附研究

张佳志   

  1. 1.中国科学技术大学高分子科学与工程系,安徽合肥 230026; 2.中国科学技术大学—香港城市大学环境科学技术联合实验室,江苏苏州 215123; 3.苏州有色金属研究院,江苏苏州215021
  • 收稿日期:2010-01-15 修回日期:2010-04-10 出版日期:2010-07-31 发布日期:2010-07-31
  • 通讯作者: 梁好均
  • 作者简介:张佳志,男,1985年生,硕士生. 研究方向:吸附材料合成与应用. E-mail: jzzhang@mail.ustc.edu.cn
  • 基金资助:
    国家自然科学基金(20874094)资助.

Studies on the adsorption of aromatic compounds onto adsorbent resin

ZHANG Jiazhi   

  1. 1.Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China; 2.Advanced Laboratory of Environmental Research and Technology, USTC-CityU, Suzhou 215123, China; 3.Suzhou Nonferrous Metals Research Institute Company Limited, Suzhou 215021, China
  • Received:2010-01-15 Revised:2010-04-10 Online:2010-07-31 Published:2010-07-31

摘要: 研究了不同温度下,大孔吸附树脂DA201-CⅡ对水溶液中纯组分的苯酚、苯胺、对氯苯酚、对氯苯胺,混合组分的苯酚-苯胺、对氯苯酚-对氯苯胺的静态吸附行为.结果表明,在考察温度与浓度范围内,纯组分的吸附等温线符合Freundlich方程,吸附量顺序为苯酚<苯胺<对氯苯酚<对氯苯胺;混合体系中各组分的吸附数据也可以用Freundlich模型很好地拟合.与相同平衡浓度的纯组分吸附相比,苯酚-苯胺混合溶液中两种分子共存会增加该体系的总吸附量;而对氯苯酚-对氯苯胺体系的总吸附量降低,小于纯组分对氯苯胺的量.同时,分析了吸附热力学函数和各吸附现象的原因.

关键词: 芳香族化合物, 大孔吸附树脂, Freundlich模型, 吸附热力学

Abstract: The static equilibrium adsorption of phenol, aniline, p-chlorophenol, p-chloroaniline in the pure component system, and phenol—aniline, p-chlorophenol—p-chloroaniline in the two-component system on DA201-CⅡ were investigated at different temperatures. The results show that all the adsorption isotherms of pure component system are correlated with Freundlich equation within the studied range of temperature and concentration, and that the adsorption capacity follows the order phenol

Key words: aromatic compounds, adsorbent resin, Freundlich model, adsorption thermodynamics