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胺基树脂吸附去除水中的壬基酚聚氧乙烯醚

张青梅 刘凤玲 郑寿荣 许昭怡 刘 湛

张青梅, 刘凤玲, 郑寿荣, 许昭怡, 刘 湛. 胺基树脂吸附去除水中的壬基酚聚氧乙烯醚[J]. 环境科学研究, 2011, 24(5): 548-552.
引用本文: 张青梅, 刘凤玲, 郑寿荣, 许昭怡, 刘 湛. 胺基树脂吸附去除水中的壬基酚聚氧乙烯醚[J]. 环境科学研究, 2011, 24(5): 548-552.
ZHANG Qing-mei, LIU Feng-ling, ZHENG Shou-rong, XU Zhao-yi, LIU Zhan. Adsorption of Nonylphenol Polyethoxylates in Water onto Amine Resin[J]. Research of Environmental Sciences, 2011, 24(5): 548-552.
Citation: ZHANG Qing-mei, LIU Feng-ling, ZHENG Shou-rong, XU Zhao-yi, LIU Zhan. Adsorption of Nonylphenol Polyethoxylates in Water onto Amine Resin[J]. Research of Environmental Sciences, 2011, 24(5): 548-552.

胺基树脂吸附去除水中的壬基酚聚氧乙烯醚

基金项目: 国家自然科学基金项目(21077050);国家重点基础研究发展计划(973)项目(2008CB418003);国家水体污染控制与治理科技重大专项(2009ZX07212-001-07)

Adsorption of Nonylphenol Polyethoxylates in Water onto Amine Resin

  • 摘要: 使用氯球作为前驱体与二乙烯三胺在回流条件下反应合成一种胺基树脂,对胺基树脂的特征进行了表征,并研究了胺基树脂对水中的壬基酚聚氧乙烯醚(NP10EO)的吸附行为.树脂的红外、元素分析及比表面积与平均孔径分析结果表明,胺基官能团成功地嫁接到树脂表面,胺基浓度为5.6 mmol/g,且胺基树脂的比表面积较氯球有较大增加.胺基树脂对NP10EO的吸附等温线表明,温度的升高有利于吸附,在35 ℃下胺基树脂对NP10EO的最高平衡吸附量达58.36 mg/g.采用Langmuir方程和Freundlich方程用于吸附等温线的解释,结果表明,吸附等温线更加符合Langmuir模型,相关系数(R2)均大于0.98. NP10EO在胺基树脂上的吸附符合准二级动力学方程,初始ρ(NP10EO)越低达到吸附平衡所需时间越短,初始ρ(NP10EO)为9.41 mg/L的溶液能在2 h内达到吸附平衡.

     

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出版历程
  • 收稿日期:  2010-09-16
  • 修回日期:  2010-12-10
  • 刊出日期:  2011-05-25

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