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复合垂直流人工湿地微生物特征对典型污水的响应差异

常军军 吴苏青 梁康 王飞华 梁威

常军军, 吴苏青, 梁康, 王飞华, 梁威. 复合垂直流人工湿地微生物特征对典型污水的响应差异[J]. 环境科学研究, 2016, 29(8): 1200-1206.
引用本文: 常军军, 吴苏青, 梁康, 王飞华, 梁威. 复合垂直流人工湿地微生物特征对典型污水的响应差异[J]. 环境科学研究, 2016, 29(8): 1200-1206.
CHANG Junjun, WU Suqing, LIANG Kang, WANG Feihua, LIANG Wei. Responses of Microbial Features in Integrated Vertical-Flow Constructed Wetlands (IVCWs) for Treatment of Two Types of Representative Wastewater[J]. Research of Environmental Sciences, 2016, 29(8): 1200-1206.
Citation: CHANG Junjun, WU Suqing, LIANG Kang, WANG Feihua, LIANG Wei. Responses of Microbial Features in Integrated Vertical-Flow Constructed Wetlands (IVCWs) for Treatment of Two Types of Representative Wastewater[J]. Research of Environmental Sciences, 2016, 29(8): 1200-1206.

复合垂直流人工湿地微生物特征对典型污水的响应差异

基金项目: 水利部科技推广计划项目(TG1520);江苏省科技厅项目(BK20130430);云南省应用基础研究计划青年项目(2013FD006)

Responses of Microbial Features in Integrated Vertical-Flow Constructed Wetlands (IVCWs) for Treatment of Two Types of Representative Wastewater

  • 摘要: 污水性质是影响人工湿地微生物特征的重要因子,而微生物对人工湿地污染物净化功能的发挥至关重要. 运用两组IVCW(复合垂直流人工湿地)分别处理模拟生活污水和污水处理厂尾水,比较研究两组系统下行流、上行流池的基质酶活性及硝化反硝化强度,并通过脂肪酸甲酯图谱分析系统中的微生物群落结构,以解析人工湿地微生物特征对两种污水的响应差异. 结果表明:处理生活污水的IVCW下行流池中脱氢酶、过氧化氢酶、脲酶及硝酸盐还原酶活性均显著高于其他单元,四者平均值分别为其他单元的2.8~4.6、7.9~10.3、19.3~41.7和4.5~10.8倍. 处理生活污水IVCW基质的硝化强度是尾水处理系统对应单元的1.4~5.3倍(下行流)和1.3~3.9倍(上行流),而两组IVCW对应单元基质的反硝化强度之间无显著差异. IVCW下行流池中特征脂肪酸比值及微生物群落结构受污水类型的影响较小,均以厌氧细菌和革兰氏阳性菌为优势菌;上行流池微生物群落结构则受到污水类型的一定影响,真菌的相对丰度较高. 两种污水对IVCW基质酶活性和硝化强度的影响高于对反硝化强度和微生物群落结构的影响.

     

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出版历程
  • 收稿日期:  2015-08-01
  • 修回日期:  2015-12-20
  • 刊出日期:  2016-08-25

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