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《China Water & Wastewater》 2006-03
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Purification Characteristics of Organic Pollutants in Polluted River Water by On-stream Detention Pond System

ZHU Ming-jie,HU Hong-ying,HE Miao,GUAN Yun-tao,ZHANG Jian(Department of Environmental Science and Engineering,Tsinghua University,Beijing 100084, China)  
The On-stream Detention Pond System(OSDPS) is an ecological technology which is suitable and promising for purification and restoration of polluted small-scale streams in China.Chemical Oxygen Demand(COD) removal efficiency of OSDPS in different seasons was detected after one-year of field experiments.The study shows that the temperature and DO have no apparent effects on COD removal efficiency,and the particle settling is the main mechanism of removal of COD.The maximal COD removal efficiency is 30% and corresponding rate is 2 g/(h·m~2).Moreover,the removal rate of COD could be predicted by testing the removal rate of SS on the basis of the relationship between them.
【Fund】: 国家“十五”重大科技专项(2003AA601080)
【CateGory Index】: X522
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