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  2. 水生生物研究所
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  5. 期刊论文
Bacterial community and nitrate removal by simultaneous heterotrophic and autotrophic denitrification in a bioelectrochemically-assisted constructed wetland

文献类型：期刊论文

作者Xu, Dan1,2; Xiao, Enrong2; Xu, Peng2,3; Lin, Lili1,2; Zhou, Qiaohong2; Xu, Dong2; Wu, Zhenbin2
刊名BIORESOURCE TECHNOLOGY
出版日期2017-12-01
卷号245期号:1页码:993-999
ISSN号0960-8524
关键词Constructed wetland Heterotrophic denitrification Autotrophic denitrification Bioelectrochemical Bacteria community
DOI10.1016/j.biortech.2017.09.045
英文摘要

To enhance nitrate removal in constructed wetlands (CWs), a bioelectrochemically-assisted CW (BECW) integrating a three-dimensional biofilm-electrode reactor (3D-BER) into the CW was evaluated for the effectiveness of combined autotrophic and heterotrophic denitrification in the presence of organic matter and applied current. The effects of COD/N ratios on nitrate removal were investigated, and the bacterial communities in the granular active carbon (GAC) and graphite felt (GF) in the reactor's cathode region were compared. The highest NO3--N and TN removal efficiencies of 91.3 +/- 7.2% and 68.8 +/- 7.9% were obtained at the COD/N ratio of 5. According to the results of high-throughput sequencing analysis, sample GAC was enriched with a high abundance of Pseudomonas (17.29%) capable of autotrophic and heterotrophic denitrification, whereas autotrophic bacteria Thiobacillus (43.94%) was predominant in sample GF. The synergy between heterotrophic and autotrophic denitrification bacteria is believed to cause the high and stable nitrogen removal performance.

WOS关键词NITROGEN REMOVAL ; WASTE-WATER ; CARBON SOURCE ; C/N RATIO ; THIOBACILLUS-DENITRIFICANS ; BIOFILM-ELECTRODE ; REACTOR ; FLOW ; SYSTEM ; PERFORMANCE
资助项目National Natural Science Foundation of China[51308530] ; National Key Research and Development Plan of China[2016YFC0500403-03] ; Chinese Academy of Sciences[KFZD-SW-30202]
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
语种英语
出版者ELSEVIER SCI LTD
WOS记录号WOS:000412443500122
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 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源URL[http://ir.ihb.ac.cn/handle/342005/32664]  
专题水生生物研究所_水环境工程研究中心_期刊论文
通讯作者Xiao, Enrong
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.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Dan,Xiao, Enrong,Xu, Peng,et al. Bacterial community and nitrate removal by simultaneous heterotrophic and autotrophic denitrification in a bioelectrochemically-assisted constructed wetland[J]. BIORESOURCE TECHNOLOGY,2017,245(1):993-999.
APA Xu, Dan.,Xiao, Enrong.,Xu, Peng.,Lin, Lili.,Zhou, Qiaohong.,...&Wu, Zhenbin.(2017).Bacterial community and nitrate removal by simultaneous heterotrophic and autotrophic denitrification in a bioelectrochemically-assisted constructed wetland.BIORESOURCE TECHNOLOGY,245(1),993-999.
MLA Xu, Dan,et al."Bacterial community and nitrate removal by simultaneous heterotrophic and autotrophic denitrification in a bioelectrochemically-assisted constructed wetland".BIORESOURCE TECHNOLOGY 245.1(2017):993-999.

入库方式： OAI收割

来源：水生生物研究所

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