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西安皂河芦苇与香蒲人工湿地单元对皂河污水重金属的截留效率

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黄淑萍, 陈爱侠, 常亚飞, 尹静, 陈贝. 西安皂河芦苇与香蒲人工湿地单元对皂河污水重金属的截留效率[J]. 环境工程学报, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
引用本文: 黄淑萍, 陈爱侠, 常亚飞, 尹静, 陈贝. 西安皂河芦苇与香蒲人工湿地单元对皂河污水重金属的截留效率[J]. 环境工程学报, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
shu
Huang Shuping, Chen Aixia, Chang Yafei, Yin Jing, Chen Bei. Rejection rate of heavy metals by Xi'an Zaohe reed wetland and cattail wetland on treatment of Zaohe sewage[J]. Chinese Journal of Environmental Engineering, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
Citation: Huang Shuping, Chen Aixia, Chang Yafei, Yin Jing, Chen Bei. Rejection rate of heavy metals by Xi'an Zaohe reed wetland and cattail wetland on treatment of Zaohe sewage[J]. Chinese Journal of Environmental Engineering, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
shu

西安皂河芦苇与香蒲人工湿地单元对皂河污水重金属的截留效率

  • 1.

    长安大学环境科学与工程学院, 西安 710054

  • 2.

    长安大学旱区地下水文与生态效应教育部重点实验室, 西安 710054

  • 3.

    西安中交环境工程有限公司, 西安 710065

  • 4.

    长安大学海威环境技术公司, 西安 710054

  • 基金项目:

    国家自然科学基金资助项目(51308050)

    中央高校基本科研业务费专项资金资助项目(310829165026)

  • 中图分类号: X173

Rejection rate of heavy metals by Xi'an Zaohe reed wetland and cattail wetland on treatment of Zaohe sewage

  • 1.

    School of Enviromental Science and Engineering, Chang'an University, Xi'an 710054, China

  • 2.

    Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang'an University, Xi'an 710054, China

  • 3.

    Xi'an Zhongjiao Environmental Engineering Co. Ltd., Xi'an 710065, China

  • 4.

    Chang'an University Haiwei Environmental Technology Company, Xi'an 710054, China

  • Fund Project:

  • 摘要: 西安皂河是对渭河(黄河最大支流)水质影响最大河流之一,其水质的严重污染给流域内居民生活带来了很大健康风险,同时使流域生态环境受到了极大破坏。为明确皂河人工湿地对皂河污水中重金属的截留效率,于2013年4、7、10月通过分析皂河人工湿地系统中芦苇湿地和香蒲湿地中6种重金属(Cu、Pb、Zn、Cr、Ni、Cd)含量和空间分布,研究了湿地对重金属的截留效率、植物、基质和微生物对重金属截留的贡献率和湿地中重金属流失率,并对湿地对重金属的截留效果与湿地理化性质进行相关性分析。结果表明,夏季湿地对重金属截留效率多集中在50%~80%,春秋截留效率多集中在30%~50%;在湿地截留重金属过程中,植物贡献率5%~10%,基质和微生物综合贡献率89%~94%;湿地中重金属流失率小于2%,春秋两季重金属流失率大于夏季。湿地对Cu的截留率与pH、温度呈显著正相关性(PP<0.01);湿地对Pb的截留率分别与pH、速效钾、有机质呈显著正相关性;对Zn的截留率分别与温度、有机质呈显著正相关性;对Cr、Ni的截留率与湿地各项理化性质间的相关性都不显著;对Cd的截留率与pH呈显著负相关性,分别与速效磷、有机质呈显著正相关性。
    Abstract: The Zaohe tributary seriously affects the quality of the Weihe, which is the largest tributary of the Yellow River. Pollution of the Zaohe poses a threat to public health and damages the ecological environment. The study explored the rejection rate of heavy metals by the Zaohe wetland in Xi'an. The contents and spatial distributions of Cu, Pb, Zn, Cr, Ni, and Cd in reed and cattail wetlands were analyzed respectively in April, July, October 2013. The rejection of heavy metals, contribution of vegetation, sediments, and microbes, and the rate of heavy metal loss were studied. The correlation between heavy metal rejection and the physico-chemical properties of the wetland was analyzed. The results show that the rejection of heavy metals can reach 50% to 80% in summer, while it was 30% to 50% in spring and autumn. The contributions of vegetation, sediments, and microbes were 5% to 10% and 89% to 94%, respectively. The loss rate of heavy metals was less than 2% and it rises in spring and autumn. The rejection of Cu showed positive correlation with pH (ppp<0.01), while rejection of Pb showed positive correlation with pH, extracted potassium, and organic matter. The rejection of Zn showed positive correlation with temperature and organic matter, while rejection of Cr and Ni showed no significant correlation with physico-chemical properties of the wetland. The rejection of Cd was negatively correlated with pH but showed positive correlation with extracted phosphorus and organic matter.
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  • 收稿日期:  2015-04-25
  • 刊出日期:  2016-06-03
黄淑萍, 陈爱侠, 常亚飞, 尹静, 陈贝. 西安皂河芦苇与香蒲人工湿地单元对皂河污水重金属的截留效率[J]. 环境工程学报, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
引用本文: 黄淑萍, 陈爱侠, 常亚飞, 尹静, 陈贝. 西安皂河芦苇与香蒲人工湿地单元对皂河污水重金属的截留效率[J]. 环境工程学报, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
shu
Huang Shuping, Chen Aixia, Chang Yafei, Yin Jing, Chen Bei. Rejection rate of heavy metals by Xi'an Zaohe reed wetland and cattail wetland on treatment of Zaohe sewage[J]. Chinese Journal of Environmental Engineering, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
Citation: Huang Shuping, Chen Aixia, Chang Yafei, Yin Jing, Chen Bei. Rejection rate of heavy metals by Xi'an Zaohe reed wetland and cattail wetland on treatment of Zaohe sewage[J]. Chinese Journal of Environmental Engineering, 2016, 10(6): 2826-2832. doi: 10.12030/j.cjee.201503235
shu

西安皂河芦苇与香蒲人工湿地单元对皂河污水重金属的截留效率

  • 1. 长安大学环境科学与工程学院, 西安 710054
  • 2. 长安大学旱区地下水文与生态效应教育部重点实验室, 西安 710054
  • 3. 西安中交环境工程有限公司, 西安 710065
  • 4. 长安大学海威环境技术公司, 西安 710054
  • 收稿日期:  2015-04-25
基金项目:

国家自然科学基金资助项目(51308050)

中央高校基本科研业务费专项资金资助项目(310829165026)

摘要: 西安皂河是对渭河(黄河最大支流)水质影响最大河流之一,其水质的严重污染给流域内居民生活带来了很大健康风险,同时使流域生态环境受到了极大破坏。为明确皂河人工湿地对皂河污水中重金属的截留效率,于2013年4、7、10月通过分析皂河人工湿地系统中芦苇湿地和香蒲湿地中6种重金属(Cu、Pb、Zn、Cr、Ni、Cd)含量和空间分布,研究了湿地对重金属的截留效率、植物、基质和微生物对重金属截留的贡献率和湿地中重金属流失率,并对湿地对重金属的截留效果与湿地理化性质进行相关性分析。结果表明,夏季湿地对重金属截留效率多集中在50%~80%,春秋截留效率多集中在30%~50%;在湿地截留重金属过程中,植物贡献率5%~10%,基质和微生物综合贡献率89%~94%;湿地中重金属流失率小于2%,春秋两季重金属流失率大于夏季。湿地对Cu的截留率与pH、温度呈显著正相关性(PP<0.01);湿地对Pb的截留率分别与pH、速效钾、有机质呈显著正相关性;对Zn的截留率分别与温度、有机质呈显著正相关性;对Cr、Ni的截留率与湿地各项理化性质间的相关性都不显著;对Cd的截留率与pH呈显著负相关性,分别与速效磷、有机质呈显著正相关性。

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