“生态沟渠+垂直潜流人工湿地”组合系统去除农田退水中烯啶虫胺的研究
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- 英文论文题名：Removal of Nitenpyram from farmland runoff by an integrated ecological ditches with constructed wetland system
- 论文作者：李本行 ; 曲丹 ; 孙德智
- 英文论文作者：Benhang Li ; Dan Qu ; Dezhi Sun ; Beijing Key Lab for Source Control Technology of Water Pollution ; Beijing Forestry University
- 年：2016
- 作者机构：北京林业大学北京市水体污染源控制技术重点实验室;
- 论文关键词：生态沟渠 ; 垂直潜流人工湿地 ; 烯啶虫胺 ; 水力停留时间
- 英文论文关键词：ecological ditch ; vertical flow constructed wetland(VFCW) ; Nitenpyram ; hydraulic retention time(HRT)
- 会议召开时间：2016-12-14
- 会议录名称：2016全国水环境污染控制与生态修复技术高级研讨会论文集
- 语种：中文
- 分类号：X712;X592
- 学会代码：HJKP
- 会议名称：2016全国水环境污染控制与生态修复技术高级研讨会
- 会议地点：中国云南腾冲
- 主办单位：中国环境科学学会、中国环境科学研究院
- 学会名称：中国环境科学学会
- 页数：6
- 文件大小：1470k
- 原文格式：D
- 会议级别：全国
摘要
本文研究了不同水力停留时间(HRT)下,"生态沟渠+垂直潜流人工湿地"组合系统对农田退水中烯啶虫胺的去除效果。结果表明:烯啶虫胺不影响组合系统对COD、氨、磷等常规污染物的去除效果。当HRT分别为2.5 d、2 d和1 d时,"生态沟渠+垂直流人工湿地"组合系统对烯啶虫胺的去除效率分别为100%、100%和84%。其中烯啶虫胺在生态沟渠段去除率基本稳定在38%~40%,HRT改变对垂直流人工湿地去除效果影响较为明显,最佳HRT为2 d。烯啶虫胺在垂直潜流人工湿地表层土壤+细沸石层、空心砖层去除率较高,主要归因于植物与微生物的协同降解作用与吸附作用。
The removal of Nitenpyram from farmland runoff by an integrated eco-ditches and constructed wetland system was investigated in the case of different HRT. Experimental results show that, the removal of COD, N and P was not influenced by the Nitenpyram. When the HRT was 2.5 d, 2 d and 1 d, the Nitenpyram removal efficiency could reach 100%, 100% and 84%, respectively. The removal efficiency in the ecological ditches was about 38%-40% in the case of different HRT, while that in the constructed wetland was influenced by the HRT variation. The optimum HRT for Nitenpyram and pollutants removal was 2 d. The substrate zeolite with soil and hollow brick layer enabled higher Nitenpyram removal rates, probably due to the cooperative phenomenon of plant uptake and microbiological deterioration as well as the adsorption by the substrate.
The removal of Nitenpyram from farmland runoff by an integrated eco-ditches and constructed wetland system was investigated in the case of different HRT. Experimental results show that, the removal of COD, N and P was not influenced by the Nitenpyram. When the HRT was 2.5 d, 2 d and 1 d, the Nitenpyram removal efficiency could reach 100%, 100% and 84%, respectively. The removal efficiency in the ecological ditches was about 38%-40% in the case of different HRT, while that in the constructed wetland was influenced by the HRT variation. The optimum HRT for Nitenpyram and pollutants removal was 2 d. The substrate zeolite with soil and hollow brick layer enabled higher Nitenpyram removal rates, probably due to the cooperative phenomenon of plant uptake and microbiological deterioration as well as the adsorption by the substrate.
引文
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[2]杨金川,胡德禹,等.烯啶虫胺在水稻和稻田环境中的残留及消解动态[J].农药学学报,2012,14(5):521-526
[3]臧纯.烯啶虫胺在稻田中的残留降解及其在五种供试土壤中的吸附研究[D].湖南:河南农业大学,2012(6)
[4]高士博,林培伦,等.潜流人工湿地去除毒死蜱、双酚A、4-壬基酚[J].环境工程学报,2014(10),8(10):4129-4134
[5]谭伟.有机氯农药硫丹对人工湿地生态系统的影响及响应机制研究[D].山东:山东大学,2012(5)
[6]M.T.Moore,E.R.Bennett,et al.Influence of vegetation in mitigation of methyl parathion runoff[J].Environmental Pollution,2006,142(2):288-294
[7]M.T.Moore,Copper C M,et al.Diazinon Mitigation in Constructed Wetlands:Influence of Vegetation[J].Water,Air and Soil Pollution,2007,184:313-321
[8]龚安华,孙岳玲.高效液相色谱法测定噻虫嗪含量的研究[J].安徽农业科学,2011,39(27):16644-16652
[9]徐永利,刘莉,等.烯啶虫胺的高效液相色谱分析[J].山工化工,2006,35:44-45
[10]吴诗杰,陈慧娟,等.美人蕉、美人蕉、鸢尾、黄菖蒲和千屈菜对富营养化水体净化效果研究[J].安徽大学学报,2016(1),40(1):98-108
[11]武俊梅,张翔凌,等.垂直流人工湿地系统基质优化级配研究[J].环境科学,2010(5),31(5):1227-1232