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改性树脂对β-萘磺酸的吸附性能

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李跃金, 李营, 李长海. 改性树脂对β-萘磺酸的吸附性能[J]. 环境工程学报, 2013, 7(2): 463-467.
引用本文: 李跃金, 李营, 李长海. 改性树脂对β-萘磺酸的吸附性能[J]. 环境工程学报, 2013, 7(2): 463-467.
shu
Li Yuejin, Li Ying, Li Changhai. Adsorption behavior of β-naphthalenesulfonic acid by modified resin[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 463-467.
Citation: Li Yuejin, Li Ying, Li Changhai. Adsorption behavior of β-naphthalenesulfonic acid by modified resin[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 463-467.
shu

改性树脂对β-萘磺酸的吸附性能

  • 1.

    滨州学院化工技术研究中心,滨州 256603

  • 2.

    辽宁石油化工大学化学与材料学院,抚顺 113301

  • 基金项目:

    国家自然科学基金资助项目(21276027)

    山东省自然科学基金资助项目(ZR2010BL028)

    滨州市科学技术发展计划(200919,200923)

  • 中图分类号: X52

Adsorption behavior of β-naphthalenesulfonic acid by modified resin

  • 1.

    Chemical Technology Research Center, Binzhou University, Binzhou 256603, China

  • 2.

    College of Chemistry and Materials Science, Liaoning Shihua University, Fushun 113301, China

  • Fund Project:

  • 摘要: 将D301树脂与FeCl3-NaOH体系反应进行改性,制备一种改性树脂作为吸附剂,吸附去除废水中的β-萘磺酸的研究。通过SEM技术对改性树脂进行了结构表征;考察了pH值、吸附时间和温度因素对改性树脂吸附β-萘磺酸的影响:最佳的实验条件pH 值为3、反应时间为7 h、温度为298 K,且最大吸附量达778 mg/g。改性树脂对β-萘磺酸的吸附等温线符合Freundlich方程;热力学实验数据:ΔGH<0,该吸附过程为放热、自发过程;吸附动力学符合二级动力学方程。
    Abstract: The D301R resin was modified by reacting with ferric chloride and sodium hydroxide as adsorbent in order to remove β-naphthalenesulfonic acid from wastewater. The modified resin was characterized by SEM. The effects of pH value, adsorption time and temperature on the adsorption of β-naphthalenesulfonic acid by modified resin were investigated. The results indicated that the optimum conditions of the modified resin for β-naphthalenesulfonic acid were pH of 3, reaction time of 7 h, temperature of 298 K, and the maximum adsorption amount was 778 mg/g. The adsorption of the modified resin for β-naphthalenesulfonic acid fitted the Freundlich isotherm. The thermodynamic experimental data showed: ΔGH<0,the adsorption process was exothermic and spontaneous. The adsorption kinetic followed pseudo second order kinetic equation.
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出版历程
  • 收稿日期:  2012-03-15
  • 刊出日期:  2013-02-02
李跃金, 李营, 李长海. 改性树脂对β-萘磺酸的吸附性能[J]. 环境工程学报, 2013, 7(2): 463-467.
引用本文: 李跃金, 李营, 李长海. 改性树脂对β-萘磺酸的吸附性能[J]. 环境工程学报, 2013, 7(2): 463-467.
shu
Li Yuejin, Li Ying, Li Changhai. Adsorption behavior of β-naphthalenesulfonic acid by modified resin[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 463-467.
Citation: Li Yuejin, Li Ying, Li Changhai. Adsorption behavior of β-naphthalenesulfonic acid by modified resin[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 463-467.
shu

改性树脂对β-萘磺酸的吸附性能

  • 1.  滨州学院化工技术研究中心,滨州 256603
  • 2.  辽宁石油化工大学化学与材料学院,抚顺 113301
  • 收稿日期:  2012-03-15
基金项目:

国家自然科学基金资助项目(21276027)

山东省自然科学基金资助项目(ZR2010BL028)

滨州市科学技术发展计划(200919,200923)

摘要: 将D301树脂与FeCl3-NaOH体系反应进行改性,制备一种改性树脂作为吸附剂,吸附去除废水中的β-萘磺酸的研究。通过SEM技术对改性树脂进行了结构表征;考察了pH值、吸附时间和温度因素对改性树脂吸附β-萘磺酸的影响:最佳的实验条件pH 值为3、反应时间为7 h、温度为298 K,且最大吸附量达778 mg/g。改性树脂对β-萘磺酸的吸附等温线符合Freundlich方程;热力学实验数据:ΔGH<0,该吸附过程为放热、自发过程;吸附动力学符合二级动力学方程。

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