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题名: Treatment performance and microorganism community structure of integrated vertical-flow constructed wetland plots for domestic wastewater
作者: Wu, Su-qing1, 2; Chang, Jun-jun1, 3; Dai, Yanran1, 4; Wu, Zhen-bin1; Liang, Wei1
通讯作者: Liang, W (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
关键词: Integrated vertical-flow constructed wetland ; Domestic wastewater ; Purification efficiencies ; Enzyme activities ; Microbial community structure
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2013-06-01
DOI: 10.1007/s11356-012-1307-0
卷: 20, 期:6, 页:3789-3798
收录类别: SCI
文章类型: Article
部门归属: [Wu, Su-qing ; Chang, Jun-jun ; Dai, Yanran ; Wu, Zhen-bin ; Liang, Wei] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; [Wu, Su-qing] Jiangxi Acad Environm Sci, Nanchang 330029, Peoples R China ; [Chang, Jun-jun] Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China ; [Dai, Yanran] Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [51179184, 41272272]; Key Project of the National Twelfth-Five Year Research Program of China [2012BAD25B05-02]; Major Science and Technology Program for Water Pollution Control and Treatment [2011ZX07303-001]
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: In order to investigate the treatment performance and microorganism mechanism of IVCW for domestic wastewater in central of China, two parallel pilot-scale IVCW systems were built to evaluate purification efficiencies, microbial community structure and enzyme activities. The results showed that mean removal efficiencies were 81.03 % for COD, 51.66 % for total nitrogen (TN), 42.50 % for NH4 (+)-N, and 68.01 % for TP. Significant positive correlations between nitrate reductase activities and TN and NH4 (+)-N removal efficiencies, along with a significant correlation between substrate enzyme activity and operation time, were observed. Redundancy analysis demonstrated gram-negative bacteria were mainly responsible for urease and phosphatase activities, and also played a major role in dehydrogenase and nitrate reductase activities. Meanwhile, anaerobic bacteria, gram-negative bacteria, and saturated FA groups, gram-positive bacteria exhibited good correlations with the removal of COD (p = 0.388), N (p = 0.236), and TP (p = 0.074), respectively. The IVCW system can be used to treat domestic wastewater effectively.
英文摘要: In order to investigate the treatment performance and microorganism mechanism of IVCW for domestic wastewater in central of China, two parallel pilot-scale IVCW systems were built to evaluate purification efficiencies, microbial community structure and enzyme activities. The results showed that mean removal efficiencies were 81.03 % for COD, 51.66 % for total nitrogen (TN), 42.50 % for NH4 (+)-N, and 68.01 % for TP. Significant positive correlations between nitrate reductase activities and TN and NH4 (+)-N removal efficiencies, along with a significant correlation between substrate enzyme activity and operation time, were observed. Redundancy analysis demonstrated gram-negative bacteria were mainly responsible for urease and phosphatase activities, and also played a major role in dehydrogenase and nitrate reductase activities. Meanwhile, anaerobic bacteria, gram-negative bacteria, and saturated FA groups, gram-positive bacteria exhibited good correlations with the removal of COD (p = 0.388), N (p = 0.236), and TP (p = 0.074), respectively. The IVCW system can be used to treat domestic wastewater effectively.
关键词[WOS]: MICROBIAL COMMUNITIES ; ENZYME-ACTIVITIES ; NITROGEN REMOVAL ; SEWAGE-TREATMENT ; POROUS-MEDIA ; SOIL ; SYSTEM ; TEMPERATURE ; VEGETATION ; EFFICIENCY
语种: 英语
WOS记录号: WOS:000318779200028
ISSN号: 0944-1344
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19321
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.Jiangxi Acad Environm Sci, Nanchang 330029, Peoples R China
3.Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China
4.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Wu, SQ; Chang, JJ; Dai, Y; Wu, ZB; Liang, W.Treatment performance and microorganism community structure of integrated vertical-flow constructed wetland plots for domestic wastewater,ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2013,20(6):3789-3798
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