Start-up characteristics of the pre-A2 NSBR process - 文章详情页

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摘要：

The　start-up　characteristics　of　the　pre-A2　NSBR　(anaerobic/anoxic/aerobic　nitrification)　system　were　investigated　to　treat　low　C/N　municipal　wastewater　(C/N=3.85).　The　start-up　of　the　system　could　be　quickly　achieved　by　the　strategy　that　the　A2　SBR　and　the　N-SBR　was　first　started　separately　then　was　operated　jointly,　the　nitrification　was　well　achieved　in　the　N-SBR,　and　denitrifying　phosphorus　removal　was　realized　in　the　A2　SBR　with　the　NO3-N　as　the　electronic　accepter.　The　effluent　quality　index　of　COD,　NH4+-N,　TN,　TP　was　33.82mg/L,　0.85mg/L,　13.56mg/L,　0.3mg/L,　with　corresponding　removal　efficiency　was　84.31%,　98.41%,　76.81%,　93.87%,　respectively,　which　meet　the　first　A　discharge　standard　in　china　(GB　18918~2002)　after　continuous　operation　of　45days.　FISH　confirmed　that　PAOs　was　the　dominant　bacteria　in　the　pre-A2　NSBR　system　and　accounted　for　14.77%　of　the　total　bacteria.　©　2016,　Editorial　Board　of　China　Environmental　Science.　All　right　reserved.

关键词：

Bacteria Biofilms Denitrification Effluents Nitrification Wastewater treatment Water quality

作者机构：

[ 1 ] [Zhao, Wei-Hua]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
[ 2 ] [Wang, Mei-Xiang]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
[ 3 ] [Lü, Dong-Mei]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
[ 4 ] [Zhang, Yong]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
[ 5 ] [Pan, Cong]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
[ 6 ] [Huang, Yu]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
[ 7 ] [Peng, Yong-Zhen]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China

通讯作者信息：

彭永臻
[peng, yong-zhen]key laboratory of beijing for water quality science and water environment recovery engineering, engineering research center of beijing, beijing university of technology, beijing; 100124, china

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pyz@bjut.edu.cn

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