水稻组合生态浮床治理污染河流及其综合效果分析  

Treatment on Polluted Rivers by Rice Combination Ecological Floating Bed and Its Comprehensive Benefit Analysis

作　　者：蒋媛 刘福兴[2] 杨宏伟[3] JIANG Yuan;LIU Fu-xing;YANG Hong-wei(Hengcheng Water Conservancy Engineering Construction Co.,Ltd.,Wuxi,Jiangsu 214000;Institute of Eco-Environment Protection,Shanghai Academy of Agricultural Sciences,Shanghai 201403;Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences,Nanjing,Jiangsu 210008)

机构地区：[1]无锡恒诚水利工程有限公司,江苏无锡214000 [2]上海市农业科学院生态环境保护研究所,上海201403 [3]中国科学院南京地理与湖泊研究所,江苏南京210008

出　　处：《安徽农业科学》2020年第9期85-87,共3页Journal of Anhui Agricultural Sciences

基　　金：国家水专项太湖项目(2012ZX07101-004)。

摘　　要：采用水稻组合生态浮床治理污染河道,该技术优化了河道的微生物结构,增加了水体的自净能力,从而有效去除了水体的主要污染物,提高了水体透明度;试验结果表明水稻组合生态浮床能在污染河道条件下,保证工程植物水稻的正常生长,产量达7500 kg/hm^2以上,通过收获植物体的形式,可直接从河道水体中去除的N、P总量分别达31.57、14.89 kg。试验区对TN、TP、NH 4^+-N和COD Mn的平均去除率分别为6.51%、18.75%、15.64%和13.55%。该技术是一种新型的生态浮床技术,使经济效益与生态效益有机结合,可为我国污染河道治理提供科学依据。The technology of rice combination ecological floating bed was used to treat polluted river,optimized the microbial structure,increased the self-purification ability,effectively removed the main pollutants,and improved the transparency of water body.The experimental results showed that the technology could ensure the normal growth of engineering plant rice under polluted river conditions,and the yield could reach 7500 kg/hm^2.Above all,the total amount of nitrogen and phosphorus that can be directly removed from river water by harvesting plant body reached 31.57 kg and 14.89 kg,respectively.The average removal rates of TN,TP,NH4^+-N and COD Mn were 6.51%,18.75%,15.64% and 13.55%,respectively.This technology is a new type of ecological floating bed technology,which combines economic benefits with ecological benefits,and provides a scientific basis for the treatment of polluted rivers in China.

关 键 词：污染河流 水稻组合生态浮床 微生物 综合效果 

分 类 号：X173[环境科学与工程—环境科学] X522