Constructed wetlands for wastewater treatment in cold climate--A review

查看全文 作　　者：Mo [1]Wang;Dong Qing [2]Zhang;Jian Wen [1]Dong;Soon Keat [2,3]Tan

机构地区：[1]College of Landscape Architecture,Fujian Agriculture and Forestry University,Fuzhou 350002,China;[2]Nanyang Environment&Water Research Institute,1 CleanTech Loop,#06-10,637141,Singapore;[3]School of Civil and Environmental Engineering,Nanyang Technological University,639798,Singapore

出　　处：《Journal of Environmental Sciences》索引2017年第29卷第7期,共19页

摘　　要：Constructed wetlands(CWs) have been successfully used for treating various wastewaters for decades and have been identified as a sustainable wastewater management option worldwide.However,the application of CW for wastewater treatment in frigid climate presents special challenges.Wetland treatment of wastewater relies largely on biological processes,and reliable treatment is often a function of climate conditions.To date,the rate of adoption of wetland technology for wastewater treatment in cold regions has been slow and there are relatively few published reports on CW applications in cold climate.This paper therefore highlights the practice and applications of treatment wetlands in cold climate.A comprehensive review of the effectiveness of contaminant removal in different wetland systems including:(1) free water surface(FWS) CWs;(2) subsurface flow(SSF) CWs;and(3) hybrid wetland systems,is presented.The emphasis of this review is also placed on the influence of cold weather conditions on the removal efficacies of different contaminants.The strategies of wetland design and operation for performance intensification,such as the presence of plant,operational mode,effluent recirculation,artificial aeration and in-series design,which are crucial to achieve the sustainable treatment performance in cold climate,are also discussed.This study is conducive to further research for the understanding of CW design and treatment performance in cold climate. 关键词：人工湿地技术寒冷气候湿地处理污水处理可持续水管理性能强化废水处理湿地系统

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Constructed wetlands for wastewater treatment in cold climate--A review

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