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Effect of limited artificial aeration on constructed wetland treatment of domestic wastewater
Zhang, Lie-yu; Zhang, Lan; Liu, Yong-ding; Shen, Yin-wu; Liu, Hao; Xiong, Ying; Liu, YD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2010
Source PublicationDESALINATION
ISSN0011-9164
Volume250Issue:3Pages:915-920
AbstractTo study the effect of limited artificial aeration on domestic wastewater treatment in the constructed wetlands (CWs), four pilot-scale horizontal subsurface flow CWs were operated from October 2006 to September 2007. The types of the four units include aerated and planted CW (APCW), planted CW (PCW), aerated CW (ACW) and CW, and all the units have the identical dimensions of 3 m in length, 0.7 m in width and I m in depth. The automated aeration was activated when the oxygen concentrations in the units were lower than 0.2 mg/L and ceased when the oxygen concentrations in the CWs were higher than 0.6 mg/L More stable alkaline pH values were found in aeration units than that in the non-aeration units. APCW, in which the removal efficiencies of BOD, NH4+-N and TN were 94.4% (16.7 g BOD d(-1) m(-2)), 89.1% (4.54 g NH4+-N d(-1) m(-2)), and 86.0%( 4.99 g TN d(-1) m(-2)) respectively, was more effective at pollutant removal than the other three units. There were no significant differences in TP removal between the aeration units and non-aeration units. Less surface area is needed due to high removal efficiency in APCW and the additional cost of operation is quite little. The results from this experiment indicated that limited artificial aeration in constructed wetlands is a cost-effective method for treating domestic wastewater. (C) 2009 Published by Elsevier B.V.
KeywordConstructed Wetland Limited Artificial Aeration Bod Removal nh4+-n Transformation Tn Removal Domestic Wastewater
Department[Zhang, Lie-yu; Zhang, Lan; Liu, Yong-ding; Shen, Yin-wu; Liu, Hao; Xiong, Ying] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Zhang, Lie-yu; Zhang, Lan] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Subject AreaEngineering, Chemical ; Water Resources
Funding OrganizationNational Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010] ; National Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010] ; National Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010] ; National Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010]
Indexed BySCI
Language英语
WOS IDWOS:000273193800007
Funding OrganizationNational Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010] ; National Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010] ; National Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010] ; National Basic Research Programs of China [2002CB412300, 2003CB716801]; Chinese Academy of Sciences [KZCX1-SW-12, KSCX2-1-10]; National Hi-tech [2002AA601010]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13735
Collection水环境工程研究中心_期刊论文
Corresponding AuthorLiu, YD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Lie-yu,Zhang, Lan,Liu, Yong-ding,et al. Effect of limited artificial aeration on constructed wetland treatment of domestic wastewater[J]. DESALINATION,2010,250(3):915-920.
APA Zhang, Lie-yu.,Zhang, Lan.,Liu, Yong-ding.,Shen, Yin-wu.,Liu, Hao.,...&Liu, YD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2010).Effect of limited artificial aeration on constructed wetland treatment of domestic wastewater.DESALINATION,250(3),915-920.
MLA Zhang, Lie-yu,et al."Effect of limited artificial aeration on constructed wetland treatment of domestic wastewater".DESALINATION 250.3(2010):915-920.
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