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热改性斜发沸石对富营养化水体的脱氮除磷效果

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张传光, 张乃明, 于秀芳. 热改性斜发沸石对富营养化水体的脱氮除磷效果[J]. 环境工程学报, 2013, 7(5): 1665-1670.
引用本文: 张传光, 张乃明, 于秀芳. 热改性斜发沸石对富营养化水体的脱氮除磷效果[J]. 环境工程学报, 2013, 7(5): 1665-1670.
shu
Zhang Chuanguang, Zhang Naiming, Yu Xiufang. Effect of denitrification and dephosphorization of thermal modified clinoptilolite for eutrophic water[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1665-1670.
Citation: Zhang Chuanguang, Zhang Naiming, Yu Xiufang. Effect of denitrification and dephosphorization of thermal modified clinoptilolite for eutrophic water[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1665-1670.
shu

热改性斜发沸石对富营养化水体的脱氮除磷效果

  • 1.

    云南农业大学资源与环境学院,昆明 650201

  • 基金项目:

    国家"水体污染控制与治理"科技重大专项(2009ZX07102-003-2-3)

  • 中图分类号: X52

Effect of denitrification and dephosphorization of thermal modified clinoptilolite for eutrophic water

  • 1.

    College of Resources and Environment, Yunnan Agricultural University, Kunming 650201, China

  • Fund Project:

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  • 摘要: 氮、磷是导致水体富营养化且又较难去除的一类物质。实验采用模拟的方法研究了天然沸石和不同温度改性沸石的脱氮除磷效果。结果表明,天然沸石对氮、磷静态吸附去除率分别达71%和91%。随着改性温度的升高,350℃改性沸石振荡吸附氮、磷效果最好,较之天然沸石提高了18%,改性温度继续上升则呈下降趋势。不同沸石对氮、磷的吸附特征可用一级动力学方程进行描述,其中350℃改性沸石对氮、磷的吸附特征在不同的固液比情况下均符合一级动力学方程。
    Abstract: Nitrogen and phosphorus are the main reasons to cause eutrophication and difficult to be removed from water body. The simulated experiment was used to study the effect of denitrification and dephosphorization of natural clinoptilolite and modified clinoptilolite at different temperatures. The result shows that nitrogen and phosphorus removal rates of natural clinoptilolite are up to 71% and 91%, respectively. With the rising of modified temperature, 350℃ modified clinoptilolite has the best nitrogen and phosphorus removal effect, which increases by 18% compared with natural clinoptilolite, while the effect decreases if the temperature continues to increase. Characteristics of clinoptilolite adsorption of nitrogen and phosphorus can be described by level 1 dynamic equation, and these characteristics of 350℃ modified clinoptilolite under different solid-liquid ratios can fit the equation properly.
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出版历程
  • 收稿日期:  2012-02-26
  • 刊出日期:  2013-05-22
张传光, 张乃明, 于秀芳. 热改性斜发沸石对富营养化水体的脱氮除磷效果[J]. 环境工程学报, 2013, 7(5): 1665-1670.
引用本文: 张传光, 张乃明, 于秀芳. 热改性斜发沸石对富营养化水体的脱氮除磷效果[J]. 环境工程学报, 2013, 7(5): 1665-1670.
shu
Zhang Chuanguang, Zhang Naiming, Yu Xiufang. Effect of denitrification and dephosphorization of thermal modified clinoptilolite for eutrophic water[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1665-1670.
Citation: Zhang Chuanguang, Zhang Naiming, Yu Xiufang. Effect of denitrification and dephosphorization of thermal modified clinoptilolite for eutrophic water[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1665-1670.
shu

热改性斜发沸石对富营养化水体的脱氮除磷效果

  • 1. 云南农业大学资源与环境学院,昆明 650201
  • 收稿日期:  2012-02-26
基金项目:

国家"水体污染控制与治理"科技重大专项(2009ZX07102-003-2-3)

摘要: 氮、磷是导致水体富营养化且又较难去除的一类物质。实验采用模拟的方法研究了天然沸石和不同温度改性沸石的脱氮除磷效果。结果表明,天然沸石对氮、磷静态吸附去除率分别达71%和91%。随着改性温度的升高,350℃改性沸石振荡吸附氮、磷效果最好,较之天然沸石提高了18%,改性温度继续上升则呈下降趋势。不同沸石对氮、磷的吸附特征可用一级动力学方程进行描述,其中350℃改性沸石对氮、磷的吸附特征在不同的固液比情况下均符合一级动力学方程。

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