Nitrogen and phosphorus removal performance comparison between A2O and A2O+BCO system [A2O工艺和A2O+BCO工艺的脱氮除磷性能比较] - 文章详情页

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摘要：

A2O　and　A2O+BCO　process　were　employed　to　treat　domestic　wastewater　with　low　carbon　to　nitrogen　ratio　(C/N=3.96)　to　compare　their　nutrient　removal　performance,　respectively.　The　influent　loading　and　operation　condition　were　kept　consistent　for　134　days,　A2O+BCO　system　achieved　a　higher　nitrogen　and　phosphorus　removal　efficiency　than　A2O　system　because　of　the　application　of　denitrifying　phosphorus　removal　technology　and　two-sludge　theory,　which　could　use　carbon　resource　more　efficiently　and　solve　the　SRT　contradiction　between　nitrifiers　and　PAOs.　PAOs　accounts　for　22%　in　the　stable　A2O+BCO　system　higher　than　7%　in　the　A2O　system,　which　explain　the　mechanism　for　the　superior　nutrient　removal　performance.　©　2019,　Editorial　Board　of　China　Environmental　Science.　All　right　reserved.

关键词：

A2O process; A2O+BCO process; Denitrifying phosphorus removal; Low C/N ratio; Two sludge

作者机构：

[ 1 ] [Zhao, W.-H.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Zhao, W.-H.]School of Marine Science and Technology, Harbin Institute of Technology, Weihai, 264209, China
[ 3 ] [Wang, M.-X.]Beijing Drainage Group Technology Research and Development Center, Beijing, 100044, China
[ 4 ] [Li, J.-W.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
[ 5 ] [Feng, Y.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
[ 6 ] [Liu, B.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
[ 7 ] [Li, X.-Y.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
[ 8 ] [Peng, Y.-Z.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China

通讯作者信息：

彭永臻
[Peng, Y.-Z.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of TechnologyChina

电子邮件地址：

pyz@bjut.edu.cn

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