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引用本文:吴芝瑛,陈鋆.小流域水污染治理示范工程——杭州长桥溪的生态修复.湖泊科学,2008,20(1):33-38. DOI:10.18307/2008.0105
WU Zhiying,CHEN Jun.Demonstration project of water pollution treatment in small watershed: ecological remediation of Changqiao Stream, West Lake, Hangzhou. J. Lake Sci.2008,20(1):33-38. DOI:10.18307/2008.0105
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小流域水污染治理示范工程——杭州长桥溪的生态修复
吴芝瑛, 陈鋆
杭州市西湖水域管理处, 杭州 310002
摘要:
长桥溪是杭州西湖上游四大溪流之一.长桥溪生态修复工程利用长桥溪流域的微地貌和水动力作用,通过地埋式污水处理系统与人工湿地相结合的方法,将污水处理工艺与景观园林紧密结合,综合运用物理、化学、生物等手段对长桥溪流域内污水进行处理,从而减少该溪向西湖的污染物排放.工程经过两年运行,2006年其入湖湖水的TP、TN、NH4+-N和CODMn浓度分别降至0.067±0.041mg/L、3.54±1.23 mg/L、0.59±0.46mg/L和2.11±0.38mg/L,较2003年依次降低了88.5%、68.8%、89.1%和68.0%.
关键词:  长桥溪  地埋式污水处理  人工湿地  生态修复  杭州西湖
DOI:10.18307/2008.0105
分类号:
基金项目:
Demonstration project of water pollution treatment in small watershed: ecological remediation of Changqiao Stream, West Lake, Hangzhou
WU Zhiying, CHEN Jun
Administrative Division of Water Area of the West Lake, Hangzhou 310002, P. R. China
Abstract:
Changqiao Stream is one of the four upper streams of West Lake. The ecological remediation of Changqiao Streamcreatively integrated sewage disposal technique and landscape garden. Via underground sewage disposal system and artificialwetland, sewage in catchment of Changqiao Stream was disposed physically, chemically and biologically, so as to reduce thepollutant discharge into West Lake. After two years running, the concentration of TP, TN, NH4+-N and CODMn were reduced to 0.067±0.041mg/L, 3.54±1.23 mg/L, 0.59±0.46 mg/L and 2.11±0.38 mg/L respectively in 2006, decreasing by 88.5%、 68.8%、 89.1% and 68.0% compared with 2003..
Key words:  Chaoqiao Stream  underground sewage disposal system  artificial wetland  ecological remediation  West Lake
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