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引用本文:成水平,夏宜琤.香蒲、灯心草人工湿地的研究─Ⅲ.净化污水的机理.湖泊科学,1998,10(2):66-71. DOI:10.18307/1998.0211
Cheng Shuiping,Xia Yicheng.Studies on Artificial Wetland with Cattail(Typha angustifolia),Rush(Juncus efyusus),Ⅲ:M echanisms of Purifying Wastewater. J. Lake Sci.1998,10(2):66-71. DOI:10.18307/1998.0211
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香蒲、灯心草人工湿地的研究─Ⅲ.净化污水的机理
成水平,夏宜琤
作者单位
成水平 中国科学院水生生物研究所, 武汉 430072 
夏宜琤 中国科学院水生生物研究所, 武汉 430072 
摘要:
通过香蒲Typhaangustifolia和灯心草Juncuseffusus人工湿地微生物分布状况的调查,水生植物生长状况的观察,研究了介质、水生植物和微生物三者净化污水的作者,探讨了人工湿地对污水中污染物质的去除机制.研究表明,人工湿地对污水的氮、磷和化学耗氧量的去除作用是介质、水生植物和微生物综合作用的结果,粘性土壤和花岗石介质更利于污水中磷的去除.
关键词:  人工湿地  污水处理  介质  水生植物  微生物
DOI:10.18307/1998.0211
分类号:
基金项目:
Studies on Artificial Wetland with Cattail(Typha angustifolia),Rush(Juncus efyusus),Ⅲ:M echanisms of Purifying Wastewater
Cheng Shuiping,Xia Yicheng
Abstract:
By investigating the distrihutons of microorganisms and growth of macrophytes.the role of medium·macrophyte and microorganism in wastewater by artificial wetland has been studied and the mechanisms of N,P and COD elimination have been discussed. From studies on the artificial wetland with cattail(Typha angustifolia)and rush (Juncus effusus)·it had a trend that reproductions of microorganisms in spring and summer were 1arger than those in autumn and winter. The remoral rates of KN.NH4+-N were significantly related to the number of bacteria,protozoa and algae in control(P < 0.05). Tbe contam inates remora capacities of artificia wedands were also related to the growths of macrophytes. Parts of nitrogen, phosphorous were fixed by exchanging, complexing. precipitating and adsorbing in media. The results indicate that the collaboration of medium,macrophyte and m icroorganism is the mechanism of putlying wastewater in artificial wetland. Medium with granite and viSCOUS soil is better for removing phosphorous.
Key words:  Artificial wetland  wastewater treatment  medium  macrophyte  microorganism
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