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固态碳源去除地下水硝酸盐的模拟实验

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王曼曼, 汪家权, 褚华男. 固态碳源去除地下水硝酸盐的模拟实验[J]. 环境工程学报, 2013, 7(2): 501-506.
引用本文: 王曼曼, 汪家权, 褚华男. 固态碳源去除地下水硝酸盐的模拟实验[J]. 环境工程学报, 2013, 7(2): 501-506.
shu
Wang Manman, Wang Jiaquan, Chu Huanan. Simulation test of nitrate removal in groundwater with solid carbon source[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 501-506.
Citation: Wang Manman, Wang Jiaquan, Chu Huanan. Simulation test of nitrate removal in groundwater with solid carbon source[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 501-506.
shu

固态碳源去除地下水硝酸盐的模拟实验

  • 1.

    合肥工业大学资源与环境工程学院, 合肥 230009

  • 基金项目:

    国家重大水专项(2012ZX07103-004)

  • 中图分类号: X523

Simulation test of nitrate removal in groundwater with solid carbon source

  • 1.

    School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China

  • Fund Project:

  • 摘要: 选取了5种研究较少的固体材料,棉花、丝瓜络、甘蔗渣、可降解餐盒、木屑作为去除地下水硝酸盐的外加碳源。在锥形瓶中进行反硝化对比实验,研究了不同固态碳源下NO3--N、NO2- -N、NH4+-N及pH的变化情况,分析了NO3--N及总氮的去除率。研究结果表明,反硝化过程中pH呈升高趋势,在6.9~8.5范围内浮动。可降解餐盒和丝瓜络相对于其他的固态碳源来说,对NO3--N和总氮有较高的去除率,但丝瓜络的总氮去除率明显低于可降解餐盒。可降解餐盒的硝酸盐去除率达到98.28%,总氮去除率达到93.48%。可降解餐盒能够有效地去除地下水硝酸盐,达到以废治废的效果,是经济有效的最佳固态碳源。
    Abstract: 5 kinds of solid materials which had rarely been studied were selected, cotton, loofah, bagasse, degradable lunch boxes, sawdust as additional carbon sources for groundwater nitrate removal. The contrast experiments of denitrification were conducted in the conical flasks, the changes of NO3--N, NO2--N,NH4+-N and pH with different carbon sources were studied, removal rates of NO3--N and total nitrogen were analysed. The results show that, pH is rising in the range of 6.9~8.5 in the denitrification process. Degradable lunch box and loofah compared to other solid carbon sources have higher removal rates of NO3--N and total nitrogen, but total nitrogen removal rate of loofah is significantly lower than degradable lunch box. NO3--N removal rate of degradable lunch box achieves 98.28% and total nitrogen removal rate of degradable lunch box reaches 93.48%. Degradable lunch box can be effective for nitrate removal in groundwater, which is economic and effective optimal solid carbon source to achieve a better result.
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  • 收稿日期:  2012-03-06
  • 刊出日期:  2013-02-02
王曼曼, 汪家权, 褚华男. 固态碳源去除地下水硝酸盐的模拟实验[J]. 环境工程学报, 2013, 7(2): 501-506.
引用本文: 王曼曼, 汪家权, 褚华男. 固态碳源去除地下水硝酸盐的模拟实验[J]. 环境工程学报, 2013, 7(2): 501-506.
shu
Wang Manman, Wang Jiaquan, Chu Huanan. Simulation test of nitrate removal in groundwater with solid carbon source[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 501-506.
Citation: Wang Manman, Wang Jiaquan, Chu Huanan. Simulation test of nitrate removal in groundwater with solid carbon source[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 501-506.
shu

固态碳源去除地下水硝酸盐的模拟实验

  • 1. 合肥工业大学资源与环境工程学院, 合肥 230009
  • 收稿日期:  2012-03-06
基金项目:

国家重大水专项(2012ZX07103-004)

摘要: 选取了5种研究较少的固体材料,棉花、丝瓜络、甘蔗渣、可降解餐盒、木屑作为去除地下水硝酸盐的外加碳源。在锥形瓶中进行反硝化对比实验,研究了不同固态碳源下NO3--N、NO2- -N、NH4+-N及pH的变化情况,分析了NO3--N及总氮的去除率。研究结果表明,反硝化过程中pH呈升高趋势,在6.9~8.5范围内浮动。可降解餐盒和丝瓜络相对于其他的固态碳源来说,对NO3--N和总氮有较高的去除率,但丝瓜络的总氮去除率明显低于可降解餐盒。可降解餐盒的硝酸盐去除率达到98.28%,总氮去除率达到93.48%。可降解餐盒能够有效地去除地下水硝酸盐,达到以废治废的效果,是经济有效的最佳固态碳源。

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