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PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能

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王世明, 李红玲, 杨敏, 陈小亚, 齐彦兴. PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能[J]. 环境工程学报, 2013, 7(5): 1761-1766.
引用本文: 王世明, 李红玲, 杨敏, 陈小亚, 齐彦兴. PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能[J]. 环境工程学报, 2013, 7(5): 1761-1766.
shu
Wang Shiming, Li Hongling, Yang Min, Chen Xiaoya, Qi Yanxing. Synthesis of PS-TMT chelating resin and its adsorption of Hg(Ⅱ) from aqueous solution[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1761-1766.
Citation: Wang Shiming, Li Hongling, Yang Min, Chen Xiaoya, Qi Yanxing. Synthesis of PS-TMT chelating resin and its adsorption of Hg(Ⅱ) from aqueous solution[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1761-1766.
shu

PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能

  • 1.

    中国科学院兰州化学物理研究所精细石油化工中间体国家工程中心,兰州 730000

  • 2.

    中国科学院研究生院,北京 100049

  • 基金项目:

    中国科学院科技支甘工程项目(XBLZ-2011-013)

  • 中图分类号: X703.1

Synthesis of PS-TMT chelating resin and its adsorption of Hg(Ⅱ) from aqueous solution

  • 1.

    National Engineering Research Center for Fine Petrochemical Intermediates, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China

  • 2.

    Graduate University of Chinese Academy of Sciences, Beijing 100049, China.

  • Fund Project:

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  • 摘要: 以氯甲基聚苯乙烯树脂为载体与三聚硫氰酸反应,合成了功能化的螯合树脂PS-TMT,并对其进行了元素分析、红外光谱以及比表面表征。通过静态吸附实验研究了其对水溶液中Hg(Ⅱ)的吸附性能,结果表明,PS-TMT螯合树脂在pH值1～7范围内对Hg(Ⅱ)具有良好的吸附能力,在25℃、pH 7条件下对Hg(Ⅱ)的最大吸附容量为344 mg/g;动力学研究显示树脂对Hg(Ⅱ)的吸附在240 min内可达到吸附平衡,吸附动力学过程符合准二级动力学模型;吸附等温线则符合Langmuir吸附等温线模型。
    Abstract: Trimercaptotriazine functionalized polystyrene chelating resin was synthesized by the reaction of trimercaptotriazine with macroporous chloromethyl resin. The chelating resin, characterized by elemental analysis, FT-IR spectroscopy and BET analysis was used as an adsorbent in a series of bath adsorption experiments for the removal of Hg(Ⅱ) from aqueous solutions. The maximum adsorption capacity of Hg(Ⅱ) was up to 344 mg/g resin with pH 7 at room temperature. The kinetic experiments exhibited that the adsorption reached the adsorption equilibrium in 240 min. The adsorption process can be well described by the pseudo-second-order kinetic model and the equilibrium adsorption isotherm was closely fitted with the Langmuir model.
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  • 收稿日期:  2012-04-08
  • 刊出日期:  2013-05-22
王世明, 李红玲, 杨敏, 陈小亚, 齐彦兴. PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能[J]. 环境工程学报, 2013, 7(5): 1761-1766.
引用本文: 王世明, 李红玲, 杨敏, 陈小亚, 齐彦兴. PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能[J]. 环境工程学报, 2013, 7(5): 1761-1766.
shu
Wang Shiming, Li Hongling, Yang Min, Chen Xiaoya, Qi Yanxing. Synthesis of PS-TMT chelating resin and its adsorption of Hg(Ⅱ) from aqueous solution[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1761-1766.
Citation: Wang Shiming, Li Hongling, Yang Min, Chen Xiaoya, Qi Yanxing. Synthesis of PS-TMT chelating resin and its adsorption of Hg(Ⅱ) from aqueous solution[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1761-1766.
shu

PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能

  • 1.  中国科学院兰州化学物理研究所精细石油化工中间体国家工程中心,兰州 730000
  • 2.  中国科学院研究生院,北京 100049
  • 收稿日期:  2012-04-08
基金项目:

中国科学院科技支甘工程项目(XBLZ-2011-013)

摘要: 以氯甲基聚苯乙烯树脂为载体与三聚硫氰酸反应,合成了功能化的螯合树脂PS-TMT,并对其进行了元素分析、红外光谱以及比表面表征。通过静态吸附实验研究了其对水溶液中Hg(Ⅱ)的吸附性能,结果表明,PS-TMT螯合树脂在pH值1～7范围内对Hg(Ⅱ)具有良好的吸附能力,在25℃、pH 7条件下对Hg(Ⅱ)的最大吸附容量为344 mg/g;动力学研究显示树脂对Hg(Ⅱ)的吸附在240 min内可达到吸附平衡,吸附动力学过程符合准二级动力学模型;吸附等温线则符合Langmuir吸附等温线模型。

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