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组合骨料型百喜草植生混凝土去除氮磷

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严雄风, 刘迎云, 虢清伟, 黄大伟. 组合骨料型百喜草植生混凝土去除氮磷[J]. 环境工程学报, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
引用本文: 严雄风, 刘迎云, 虢清伟, 黄大伟. 组合骨料型百喜草植生混凝土去除氮磷[J]. 环境工程学报, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
shu
Yan Xiongfeng, Liu Yingyun, Guo Qingwei, Huang Dawei. Nitrogen and phosphorus elimination by composited aggregate Bahia grass-planting concrete[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
Citation: Yan Xiongfeng, Liu Yingyun, Guo Qingwei, Huang Dawei. Nitrogen and phosphorus elimination by composited aggregate Bahia grass-planting concrete[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
shu

组合骨料型百喜草植生混凝土去除氮磷

  • 1.

    南华大学城市建设学院, 衡阳 421001

  • 2.

    环境保护部华南环境科学研究所, 广州 510655

  • 基金项目:

    国家自然科学基金资助项目(50908095)

    广东省自然科学基金资助项目(9451065501002521)

  • 中图分类号: X703

Nitrogen and phosphorus elimination by composited aggregate Bahia grass-planting concrete

  • 1.

    School of Urban Construction, University of South China, Hengyang 421001, China

  • 2.

    South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China

  • Fund Project:

  • 摘要: 以6组90 d龄期的组合骨料型百喜草植生混凝土盆栽为研究对象,用配制溶液静态培养的方法,选择氨氮(NH3-N)、总氮(TN)和总磷(TP)为主要指标,考查沸石与钢渣、沸石与浮石两种组合骨料型的植生混凝土对污染物的去除效果。结果表明,各组NH3-N 1 d、7 d的去除率分别为13.0%~16.9%和45.7%~56.7%,1 d去除率约占7 d的30%。各组TN 1 d、7 d的去除率分别为9.0%~14.1%和25.6%~39.2%,1 d去除率约占7 d的30%。各组TP 1 d、7 d的去除率分别为22.0%~33.3%和57.3%~89.3%,1 d去除率约占7 d的40%。NO3--N、NO2--N含量很低,NO3--N浓度基本在0.50 mg/L以下,NO2--N浓度变化范围在0.10 mg/L以下。综合NH3-N、TN和TP去除效果,沸石与浮石按1:1~1:3混合的百喜草植生混凝土具有良好的脱氮除磷效果。
    Abstract: An experiment was conducted on six groups of composited aggregate planting concrete, in which Paspalum Notatum Flugge (Bahia Grass) was vegetated in pots for 90 days. The impact of composited aggregate zeolite-steel slag and zeolite-pumice on the efficacy of removal of contaminants based on NH3-N, TN, and TP was investigated under static cultivation conditions. The results showed that the removal rate of NH3-N was from 13.0% to 16.9% after 1 d, approximately 30% of that after 7 d (from 45.7% to 56.7%). The removal rate of TN was from 9.0% to 14.1% after 1 d, approximately 30% of that after 7 d (from 25.6% to 39.2%). The removal rate of TP was from 22.0% to 33.3% after 1 d, approximately 40% of that after 7 d (from 57.3% to 89.3%).The concentrations of NO3--N and NO2--N were low. The concentration of NO3--N was below 0.50 mg/L, and that of NO2--N was below 0.10 mg/L. Considering the removal rates of NH3-N, TN, and TP, we state that zeolite mixed with pumice at a ratio of 1:1 to 1:3 increased the efficacy of removal of nitrogen and phosphorus by composited aggregate Bahia grass-planting concrete.
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  • 收稿日期:  2015-12-13
  • 刊出日期:  2016-03-18
严雄风, 刘迎云, 虢清伟, 黄大伟. 组合骨料型百喜草植生混凝土去除氮磷[J]. 环境工程学报, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
引用本文: 严雄风, 刘迎云, 虢清伟, 黄大伟. 组合骨料型百喜草植生混凝土去除氮磷[J]. 环境工程学报, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
shu
Yan Xiongfeng, Liu Yingyun, Guo Qingwei, Huang Dawei. Nitrogen and phosphorus elimination by composited aggregate Bahia grass-planting concrete[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
Citation: Yan Xiongfeng, Liu Yingyun, Guo Qingwei, Huang Dawei. Nitrogen and phosphorus elimination by composited aggregate Bahia grass-planting concrete[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1171-1176. doi: 10.12030/j.cjee.20160327
shu

组合骨料型百喜草植生混凝土去除氮磷

  • 1.  南华大学城市建设学院, 衡阳 421001
  • 2.  环境保护部华南环境科学研究所, 广州 510655
  • 收稿日期:  2015-12-13
基金项目:

国家自然科学基金资助项目(50908095)

广东省自然科学基金资助项目(9451065501002521)

摘要: 以6组90 d龄期的组合骨料型百喜草植生混凝土盆栽为研究对象,用配制溶液静态培养的方法,选择氨氮(NH3-N)、总氮(TN)和总磷(TP)为主要指标,考查沸石与钢渣、沸石与浮石两种组合骨料型的植生混凝土对污染物的去除效果。结果表明,各组NH3-N 1 d、7 d的去除率分别为13.0%~16.9%和45.7%~56.7%,1 d去除率约占7 d的30%。各组TN 1 d、7 d的去除率分别为9.0%~14.1%和25.6%~39.2%,1 d去除率约占7 d的30%。各组TP 1 d、7 d的去除率分别为22.0%~33.3%和57.3%~89.3%,1 d去除率约占7 d的40%。NO3--N、NO2--N含量很低,NO3--N浓度基本在0.50 mg/L以下,NO2--N浓度变化范围在0.10 mg/L以下。综合NH3-N、TN和TP去除效果,沸石与浮石按1:1~1:3混合的百喜草植生混凝土具有良好的脱氮除磷效果。

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