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电增强载铝活性炭纤维吸附除氟的效果与影响因素

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胡欣琪, 杨硕, 张旭, 杨亚杰, 贾建丽, 程明博, 徐冬春. 电增强载铝活性炭纤维吸附除氟的效果与影响因素[J]. 环境工程学报, 2013, 7(3): 951-956.
引用本文: 胡欣琪, 杨硕, 张旭, 杨亚杰, 贾建丽, 程明博, 徐冬春. 电增强载铝活性炭纤维吸附除氟的效果与影响因素[J]. 环境工程学报, 2013, 7(3): 951-956.
shu
Hu Xinqi, Yang Shuo, Zhang Xu, Yang Yajie, Jia Jianli, Cheng Mingbo, Xu Dongchun. Effect and impact factors of fluoride removal by electricity enhanced adsorption on Al-loaded activated carbon fiber[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 951-956.
Citation: Hu Xinqi, Yang Shuo, Zhang Xu, Yang Yajie, Jia Jianli, Cheng Mingbo, Xu Dongchun. Effect and impact factors of fluoride removal by electricity enhanced adsorption on Al-loaded activated carbon fiber[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 951-956.
shu

电增强载铝活性炭纤维吸附除氟的效果与影响因素

  • 1.

    清华大学环境学院,北京100084

  • 2.

    中国矿业大学化学与环境工程学院,北京100083

  • 3.

    北京燕龙供水有限公司,北京102200

  • 基金项目:

    国家"水体污染控制与治理"科技重大专项(2009ZX07425-006)

  • 中图分类号: X703.1

Effect and impact factors of fluoride removal by electricity enhanced adsorption on Al-loaded activated carbon fiber

  • 1.

    School of Environment,Tsinghua University,Beijing 100084, China

  • 2.

    School of Chemical and Environmental Engineering, China University of Mining and Technology,Beijing 100083, China

  • 3.

    Beijing Yanlong Water Supply Co. Ltd.,Beijing 102200,China

  • Fund Project:

摘要

  • 摘要: 以含氟地下水为研究对象,采用自制电促吸附除氟反应器,开展电增强载铝活性炭纤维吸附除氟的动态实验,研究了不同电压、极板间距、地下水碱度和流速对吸附除氟效果的影响。实验结果表明,在负载炭纤维毡的电极一端加正电,可以提高除氟效果。当电压为1.6 V时除氟效果较好,单位面积炭毡处理达标水量为56.7 L/m2;极板间距设置为4 mm时电吸附反应器除氟效果最佳;通过调节pH改变地下水碱度,当地下水pH调节为5.5时,电吸附反应器除氟效果较未调节前提高50%;当采用3对电极板,流速为1.88 m/h时,达到最高表面处理负荷2 073.6 L/(m2·d);探究了反应器的反洗再生方式,并连续进行了吸附再生的动态实验;穿透的反应器以Al2(SO4)3溶液为再生液并采用反向加电1.6 V的方式,可以达到较好的再生效果,实现连续动态运行。
    Abstract: In this study, the self-made electrosorption reactor was adopted to remove fluoride by electricity enhanced adsorption on Al-loaded activated carbon fiber(ACF) from fluoride groundwater.The effects of voltage, electrode gap, alkalinity of groundwater and flow rate on water defluoridation and the regeneration of reactor were investigated, then the experiment of reactor adsorption-regeneration was performed continuously. The results show that positive electricity in electrode with ACF promotes defluoridation. The fluoride were removed effectively at positive polarization of 1.6 V, and standard water volume treated by unit area of ACF could be up to 57.6 L/m2. When distance between the electrode plate was set to 4 mm, the reactor could reach a high performance in defluoridation. The defluoridation effect is better at low pH, water volume treated by unit area of ACF is 50% improved when pH is 5.5. With 3 pairs of electrodes, flow rate of 1.88 m/h, the reactor can reach maximal surface treatment loading of 2 073.6 L/(m2·d). The saturated reactor can be regenerated effectively with Al2(SO4)3 solution and reverse polarization, then well operated continuously.
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  • 收稿日期:  2012-02-18
  • 刊出日期:  2013-03-18
胡欣琪, 杨硕, 张旭, 杨亚杰, 贾建丽, 程明博, 徐冬春. 电增强载铝活性炭纤维吸附除氟的效果与影响因素[J]. 环境工程学报, 2013, 7(3): 951-956.
引用本文: 胡欣琪, 杨硕, 张旭, 杨亚杰, 贾建丽, 程明博, 徐冬春. 电增强载铝活性炭纤维吸附除氟的效果与影响因素[J]. 环境工程学报, 2013, 7(3): 951-956.
shu
Hu Xinqi, Yang Shuo, Zhang Xu, Yang Yajie, Jia Jianli, Cheng Mingbo, Xu Dongchun. Effect and impact factors of fluoride removal by electricity enhanced adsorption on Al-loaded activated carbon fiber[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 951-956.
Citation: Hu Xinqi, Yang Shuo, Zhang Xu, Yang Yajie, Jia Jianli, Cheng Mingbo, Xu Dongchun. Effect and impact factors of fluoride removal by electricity enhanced adsorption on Al-loaded activated carbon fiber[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 951-956.
shu

电增强载铝活性炭纤维吸附除氟的效果与影响因素

  • 1.  清华大学环境学院,北京100084
  • 2.  中国矿业大学化学与环境工程学院,北京100083
  • 3.  北京燕龙供水有限公司,北京102200
  • 收稿日期:  2012-02-18
基金项目:

国家"水体污染控制与治理"科技重大专项(2009ZX07425-006)

摘要: 以含氟地下水为研究对象,采用自制电促吸附除氟反应器,开展电增强载铝活性炭纤维吸附除氟的动态实验,研究了不同电压、极板间距、地下水碱度和流速对吸附除氟效果的影响。实验结果表明,在负载炭纤维毡的电极一端加正电,可以提高除氟效果。当电压为1.6 V时除氟效果较好,单位面积炭毡处理达标水量为56.7 L/m2;极板间距设置为4 mm时电吸附反应器除氟效果最佳;通过调节pH改变地下水碱度,当地下水pH调节为5.5时,电吸附反应器除氟效果较未调节前提高50%;当采用3对电极板,流速为1.88 m/h时,达到最高表面处理负荷2 073.6 L/(m2·d);探究了反应器的反洗再生方式,并连续进行了吸附再生的动态实验;穿透的反应器以Al2(SO4)3溶液为再生液并采用反向加电1.6 V的方式,可以达到较好的再生效果,实现连续动态运行。

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