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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0114723
论文题名:	Ammonia Oxidizers in a Pilot-Scale Multilayer Rapid Infiltration System for Domestic Wastewater Treatment
作者:	Yingli Lian; Meiying Xu; Yuming Zhong; Yongqiang Yang; Fanrong Chen; Jun Guo
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-12-5
卷:	9, 期:12
语种:	英语
英文关键词:	Ammonia ; Magnetic resonance imaging ; Denaturing gradient gel electrophoresis ; Nitrification ; Ribosomal RNA ; Chemical oxygen demand ; Shannon index ; Phylogenetic analysis
英文摘要:	A pilot-scale multilayer rapid infiltration system (MRIS) for domestic wastewater treatment was established and efficient removal of ammonia and chemical oxygen demand (COD) was achieved in this study. The microbial community composition and abundance of ammonia oxidizers were investigated. Efficient biofilms of ammonia oxidizers in the stationary phase (packing material) was formed successfully in the MRIS without special inoculation. DGGE and phylogenetic analyses revealed that proteobacteria dominated in the MRIS. Relative abundance of ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) showed contrary tendency. In the flowing phase (water effluent), AOA diversity was significantly correlated with the concentration of dissolve oxygen (DO), NO3-N and NH3-N. AOB abundance was significantly correlated with the concentration of DO and chemical oxygen demand (COD). NH3-N and COD were identified as the key factors to shape AOB community structure, while no variable significantly correlated with that of AOA. AOA might play an important role in the MRIS. This study could reveal key environmental factors affecting the community composition and abundance of ammonia oxidizers in the MRIS.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0114723&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/18999
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0114723.PDF（2011KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

School of Biological Science & Engineering, South China University of Technology, Guangzhou, 510006, China;Guangdong Institute of Microbiology, Guangzhou, 510070, China;Guangdong Institute of Microbiology, Guangzhou, 510070, China;Guangdong Institute of Microbiology, Guangzhou, 510070, China;Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China;Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China;Guangdong Institute of Microbiology, Guangzhou, 510070, China

Recommended Citation:

Yingli Lian,Meiying Xu,Yuming Zhong,et al. Ammonia Oxidizers in a Pilot-Scale Multilayer Rapid Infiltration System for Domestic Wastewater Treatment[J]. PLOS ONE,2014-01-01,9(12)

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