Nitrogen removal performance by CANON biological filtration with denitrification - 文章详情页

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摘要：

The　effect　of　COD　on　nitrogen　removal　performance　by　completely　nitrogen　removal　over　nitrite　(CANON)　process　was　explored　in　up-flow　CANON　biological　filtration.　Synthetic　wastewater　without　organic　carbon　was　firstly　adopted　as　the　influent　and　the　coupling　of　nitrification,　ANAMMOX　and　denitrification　was　realized　at　the　optimum　operating　condition　of　the　reactor.　CANON　biological　filtration　kept　good　activity　at　ammonium　concentration　of　200　mg/L,　nitrogen　removal　efficiency　(NRE)　was　76.73%　and　the　nitrogen　removal　rate　(NRR)　was　2.82　kgN/(m3·d).　The　C/N　of　0.2　could　accelerate　the　nitrogen　removal　performance　and　the　NRE　could　arrive　at　89%,　which　is　the　max　NRE　on　ideal　condition,　by　adjusting　the　HRT.　Consequently,　the　nitrogen　removal　performance　of　the　biological　filtration　could　be　promoted　by　controlling　C/N.

关键词：

Organic carbon Denitrification Biofiltration Wastewater treatment Nitrogen removal

作者机构：

[ 1 ] [Li, Dong]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Yang, Zhuo]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Liang, Yu-Hai]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Gao, Wei-Nan]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Wu, Qing]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Su, Qing-Ling]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 7 ] [Zhang, Jie]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 8 ] [Zhang, Jie]State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China

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lidong2006@bjut.edu.cn

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