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题名: RESPONSES OF ENZYME ACTIVITIES AND MICROBIAL COMMUNITY STRUCTURE IN AN AERATED INTEGRATED VERTICAL-FLOW CONSTRUCTED WETLAND
作者: Tao, Min1, 2; He, Feng1; Li, Sheng Fang2; Wu, Zhen-Bin1; Wang, Qi Shuo1, 3
通讯作者: Wang, QS (reprint author), Chinese Acad Sci, Inst Hydrobiol, Huaian Res Ctr, Huaian 223006, Peoples R China.
关键词: integrated vertical-flow constructed wetland (IVCW) ; intermittent aeration ; enzyme activity ; microbial community structure ; responses
刊名: FRESENIUS ENVIRONMENTAL BULLETIN
发表日期: 2015
卷: 24, 期:1B, 页:371-378
收录类别: SCI
文章类型: Article
部门归属: [Tao, Min ; He, Feng ; Wu, Zhen-Bin ; Wang, Qi Shuo] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; [Tao, Min ; Li, Sheng Fang] Hubei Polytech Univ, Sch Environm Sci & Engn, Hubei Key Lab Mine Environm Pollut Control & Reme, Huangshi 435003, Peoples R China ; [Wang, Qi Shuo] Chinese Acad Sci, Inst Hydrobiol, Huaian Res Ctr, Huaian 223006, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: An aerated integrated vertical-flow constructed wetland (IVCW) was used to treat domestic sewage, and changes in enzyme activities and microbial community structure in the aerated IVCW were investigated. The results showed that aeration increased Eh of all sites, and enlarged the depth of aerobic zone from 33cm to 69cm in the summer and from 17cm to 54cm in the winter. Artificial aeration significantly enhanced dehydrogenase and urease activities, while phosphatase activity was not improved. Four kinds of saturated phospholipid fatty acid (PLFAs) were not determined in aerated IVCW, while artificial aeration obviously increased the relative contents of monounsaturated PLFAs, suggesting that the proportion of aerobic microorganisms significantly increased. More importantly, intermittent aeration had little effect on the relative contents of cyclopropane PLFAs at the bottom layer, indicating that anaerobic denitrification and the proportion of anaerobic microorganisms were not affected. These results could demonstrate why the aerated IVCW had a better treatment performance.
关键词[WOS]: MUNICIPAL WASTE-WATER ; EUTROPHIC BAYS ; FATTY-ACIDS ; SOIL ; SEDIMENTS ; PATTERNS ; BIOMASS
语种: 英语
WOS记录号: WOS:000351332500014
ISSN号: 1018-4619
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23947
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Hubei Polytech Univ, Sch Environm Sci & Engn, Hubei Key Lab Mine Environm Pollut Control & Reme, Huangshi 435003, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Huaian Res Ctr, Huaian 223006, Peoples R China
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