Destruction and restorative of nitrification performance in aqueduct by pre-chlorination - 文章详情页

作者：

Zhao, Lele (Zhao, Lele.) | Li, Xing (Li, Xing.) (学者：李星) | Yang, Yanling (Yang, Yanling.) (学者：杨艳玲) | Zhu, Yongjuan (Zhu, Yongjuan.) | Li, Guibai (Li, Guibai.)

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摘要：

The　process,　that　is　destruction　and　recovery　of　nitrification　performance　in　aqueduct　by　pre-chlorination,　is　simulated　by　a　BAR(bio-film　annular　reactor)with　addition　of　chlorine　in　different　ways.　The　results　showed　that　pre-chlorination　can　cause　larger　damage　to　the　bio-film　AOB　on　pipe,　and　give　significant　influence　on　removal　of　NH4+-N　and　NO2--N.　Higher　CT　value　is,　higher　growth　rate　AOB　during　recovery　stage　of　bio-film.　The　recovery　was　quicker　for　removal　performance　of　NH4+-N　(8　d)than　for　that　of　NO2--N(10　d).　Finally,　it　is　found　that　there　has　remarkable　correlation　between　amount　of　AOB　and　removal　rate　of　NH4+-N　in　pipe,　and　their　correlation　coefficient　can　reach　as　high　as　92%.　©　All　Rights　Reserved.

关键词：

Efficiency Recovery Nitrogen oxides Growth rate Flood control Nitrification Chlorination

作者机构：

[ 1 ] [Zhao, Lele]Institute of Architectural Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Li, Xing]Institute of Architectural Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Yang, Yanling]Institute of Architectural Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Zhu, Yongjuan]Institute of Architectural Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Li, Guibai]School of Municipal and Environment Engineering, Harbin Institute of Technology, Harbin 150090, Heilongjiang, China

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电子邮件地址：

lixing@bjut.edu.cn

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