文献类型：期刊文献

中文题名：生态沟渠对农田径流污染物的去除效果

英文题名：Removal effects of ecological ditches on farmland runoff pollutants

作者：王华栋[1];唐浩[2];张卫[1]

机构：[1]华东理工大学资源与环境工程学院,上海200237;[2]上海市环境科学研究院,上海200233

年份：2021

卷号：43

期号：9

起止页码：1083

中文期刊名：环境污染与防治

外文期刊名：Environmental Pollution & Control

收录：CSTPCD;;北大核心:【北大核心2020】；CSCD:【CSCD_E2021_2022】；

基金：国家自然科学基金资助项目(No.51979168);上海市自然科学基金资助项目(No.19ZR1443900)。

语种：中文

中文关键词：生态沟渠;模拟降雨;农田;径流污染物

外文关键词：ecological ditches;simulated rainfall;farmland;runoff pollutants

摘要：以上海青浦区的“一”字型、“弓”字型生态沟渠为研究对象,分析两种生态沟渠在模拟农田降雨径流过程中对悬浮物(SS)、TN、氨氮、TP、COD、高锰酸盐指数的去除效果。结果表明,两次降雨径流过程中,第1次降雨径流过程的氮、磷始终高于第2次。“弓”字型生态沟渠对SS、TN、氨氮、TP、COD、高锰酸盐指数的平均去除率分别为19.6%、34.5%、17.9%、25.8%、23.4%、31.6%,“一”字型生态沟渠的平均去除率分别为9.6%、15.1%、16.0%、17.0%、5.6%、3.8%。由此可见,“弓”字型生态沟渠对农田径流污染物的去除效果优于“一”字型生态沟渠。
Two types of ecological ditches,straight and bent ecological ditches,in Qingpu District of Shanghai were selected to discuss the removal effects on suspended substance(SS),TN,ammonia nitrogen,TP,COD and permanganate index during the simulated farmland runoff.Results showed that nitrogen and phosphorus during the first rainfall runoff were higher than those during the second all the time.The average removal rates of SS,TN,ammonia nitrogen,TP,COD and permanganate index by the bent ecological ditch were 19.6%,34.5%,17.9%,25.8%,23.4%and 31.6%,respectively.The average removal rates of SS,TN,ammonia nitrogen,TP,COD and permanganate index by the straight ecological ditch were 9.6%,15.1%,16.0%,17.0%,5.6%and 3.8%,respectively.Therefore,it could be seen that the removal effect of bent ecological ditch on farmland runoff pollutants were better than that of straight ecological ditch.