摘要
通过构建斜坡形和阶梯形2种不同形状的河道坡边湿地,探究其对河水的净化效果,并对目前常用的河道边坡进行分类,在此基础上对2种形状的河道边坡提出改造建议。结果表明:阶梯形坡边湿地对COD去除率要高于斜坡形坡边湿地,其最高去除率分别为41.18%和29.41%。对于TP而言,阶梯形坡边湿地去除率略大于斜坡形坡边湿地,其最高去除率分别为63%和60%。斜坡形坡边人工湿地对NH 3-N的处理效果略优于阶梯形坡边人工湿地,其最高去除率分别为85%和83%。综合而言,河道坡边湿地对COD、TP和NH 3-N有较好的净化效果,具有潜在的应用前景。
The pilot-scale riverside slope wetlands were constructed to study the effects of different shapes of slope wetlands on river water purification.The traditional river slopes were classified,and suggestions for the modification of slope shapes were also proposed.The results showed that the removal rate of COD in stepped wetland was higher than that of sloped wetland,and their highest removal rates were 41.18%and 29.41%,respectively.For total phosphorus,the removal rate of stepped wetland was slightly larger than that of sloped wetland,and the highest removal rates were 63%and 60%,respectively.The ammonia removal efficiency of sloped wetland was slightly better than that of stepped wetland,and the removal rates were 85%and 83%,respectively.The wetland on the slope of the river had an ideal removal efficiency of COD,total phosphorus and ammonia nitrogen,and its potential in future application.
作者
张芮芮
沈鹏
侯鹏飞
海热提
王晓慧
ZHANG Rui-rui;SHEN Peng;HOU Peng-fei;HAI Re-ti;WANG Xiao-hui(Beijing Engineering Research Center of Environmental Materials for Water Purification,College of Chemical Engineering,Beijing University of Chemical Technology,Beijing 100029,China;Chinese Research Academy of Environmental Sciences,Beijing 100012,China)
出处
《环境工程》
CAS
CSCD
北大核心
2019年第11期98-101,44,共5页
Environmental Engineering
基金
国家重点研发计划(2016YFC0401105)
北京市科技计划项目(Z181100002418017)
中央高校基本科研业务费资助项目(JD1901)
关键词
河岸湿地
阶梯形坡边湿地
斜坡形坡边湿地
COD
总磷
氨氮
riverside wetland
stepped slope wetland
sloped slope wetland
chemical oxygen demand
total phosphorus
ammonia nitrogen
