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化学学报
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化学学报 ›› 2011, Vol. 69 ›› Issue (21): 2555-2560.DOI: 10.6023/A1101174L 上一篇    下一篇

研究论文

间苯三酚修饰的吸附树脂对水中2,6-二氯苯酚和间苯三酚的吸附机理研究

费正皓*，刘总堂，施卫忠，顾云兰，孙玉凤，邢蓉，张根成   

  1. (盐城师范学院 江苏省滩涂生物资源与环境保护重点建设实验室 盐城 224002)
  • 投稿日期:2011-01-17 修回日期:2011-05-03 发布日期:2011-07-04
  • 通讯作者: 费正皓 E-mail:feizhenghao@163.com
  • 基金资助:

    国家自然科学基金;江苏省教育厅项目;江苏省教育厅重大基础研究项目

Study on the Adsorption of 2,6-Dichlorophenol and m-Trihydroxy- benzene with the Adsorption Resin Modified by m-Trihydroxybenzene

FEI Zheng-Hao, LIU Zong-Tang, SHI Wei-Zhong, GU Yun-Lan, SUN Yu-Feng, XING Rong, ZHANG Gen-Cheng   

  1. (Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, Yancheng Teachers University, Yancheng 224002)
  • Received:2011-01-17 Revised:2011-05-03 Published:2011-07-04

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1640

被引次数

30

制备了经间苯三酚进行化学修饰的吸附树脂并进行了红外光谱表征, 以NDA150作为参照, 对比了两种吸附树脂对不同温度下水溶液中间苯三酚、2,6-二氯酚以及间苯三酚/2,6-二氯酚双组分体系的吸附研究, 并探讨了其吸附机理. 结果表明: 在合适的温度下FZH33对溶液中间苯三酚、2,6-二氯酚的吸附过程存在化学吸附效应, 和NDA150相比较, 在相同浓度下, FZH33对溶液中间苯三酚、2,6-二氯酚的静态吸附量显著增加, 静态吸附百分比增量分别最少可达115.9%和18.9%, 显示出对酚类物质的吸附选择性|在一定温度和浓度范围内, 在双组分体系下水溶液中间苯三酚/2,6-二氯酚在FZH33上的吸附具有协同吸附效应, 和单组分相比, FZH33在双组分中对间苯三酚和2,6-二氯酚的静态吸附百分比增量分别最高可达261.7%和24.5%.

关键词: 化学修饰, 间苯三酚, 2,6-二氯酚, 协同吸附

The resin (named FZH33) modified with m-trihydroxybenzene onto the surface of the resin during the post-crossing of chloromethyl low crosslinking macroporous poly-styrene resin was prepared and characterized. This paper focuses on the static equilibrium adsorption behaviors, desorption profiles and the confirmation of chemisorption characteristics, and experimental comparisons of the adsorption properties of FZH33 with NDA150 toward 2,6-dichlorophenol or m-trihydroxybenzene were performed. The result shows that due to the chemisorption effect the adsorption capacities of m-trihydroxybenzene or 2,6-dichlorophenol in FZH33 are more higher than those in NDA150 at the same temperature and initial concentration, and the lowest increment percentage of FZH33 will reach 115.9% and 18.9% for m-trihydroxybenzene and 2,6-dichlorophenol respectively, which shows the adsorption selectivity for adsorbing phenolic compounds. Compared with those of single component system, the highest increment percentage of bicomponent system for adsorbing m-trihydroxybenzene and 2,6-dichlorophenol onto FZH33 will reach 261.7% and 24.5% respectively, and the cooperative adsorption effects in aqueous bicomponent system of m-trihydroxybenzene and 2,6-dichlorophenol onto FZH33 are investigated.

Key words: chemical modification, m-trihydroxybenzene, 2,6-dichlorophenol, cooperative adsorption

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