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题名: Enhancement of microbial nitrogen removal pathway by vegetation in Integrated Vertical-Flow Constructed Wetlands (IVCWs) for treating reclaimed water
作者: Du, Lu1, 2; Xuantung Trinh1, 2, 4; Chen, Qianru1, 2; Wang, Chuan2, 3; Wang, Huihui2, 3; Xia, Xue2, 3; Zhou, Qiaohong2; Xu, Dong2; Wu, Zhenbin2
关键词: Integrated Vertical-Flow Constructed Wetlands (IVCWs) ; Nitrogen removal ; Microbial community ; Reclaimed water ; Vegetation
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2018-02-01
DOI: 10.1016/j.biortech.2017.10.074
卷: 249, 页:644-651
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
类目[WOS]: Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
研究领域[WOS]: Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
英文摘要: Constructed wetland is an efficient way to lower N load from wastewater treatment plants. Here, the nitrogen removal rate and nitrogen balance, as well as the microbial community structure in IVCWs planted with different vegetation for treating reclaimed water were investigated. The results showed that IVCWs planted with vegetation generally achieved a higher TN removal rate than unplanted treatment, especially for Canna indica L. with 10.35% enhancement. Moreover, the microbial process proportion (83.87-87.94%) is the main N removal pathway in IVCW, and vegetation planting could increase 8.16% of it in average. The combination of quantitative polymerase chain reaction (qPCR) and high-throughput sequencing analysis revealed that IVCW planted with Canna indica L. showed the highest microbial abundant and biodiversity. The related denitrification genus Pseudomonas, Acinetobacter, Rhizobium, Bacillus and Rhodopseudomonas might be responsible for the high biological removal rate of nitrogen.
关键词[WOS]: DOMESTIC WASTE-WATER ; BACTERIAL COMMUNITIES ; NUTRIENT REMOVAL ; PLANT BIOMASS ; MASS-BALANCE ; PILOT-SCALE ; CHINA ; DENITRIFICATION ; PERFORMANCE ; AMMONIA
语种: 英语
项目资助者: Major Science and Technology Program for Water Pollution Control and Treatment of China(2017ZX07602-002-004) ; major projects of technical innovation of Hubei province(2016ACA169)
WOS记录号: WOS:000425764100086
ISSN号: 0960-8524
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50660
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.Wuhan Univ Technol, Coll Resources & Environm Engn, Wuhan 430070, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.Vietnam Maritime Univ, Haiphong 180000, Vietnam
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