Effect of temperature on nutrient removal of pilot-scale SBR process with DO control by frequency conversion - 文章详情页

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摘要：

The　effect　of　temperature　on　nutrient　removal　performance　and　operation　cost　with　DO　control　by　frequency　conversion　was　investigated　during　the　long-term　operation　process　of　treating　realistic　domestic　wastewater　with　pilot-scale　SBR　process.　It　is　found　that　the　temperature　has　limited　influence　on　the　removal　efficiency　of　COD　and　PO43--P,　while　has　obvious　impact　on　ammonia　removal.　Ammonia　oxidation　rate　decreased　sharply　with　the　decrease　of　temperature　when　the　temperature　was　from　11　to　26°C.　Meanwhile,　phosphorous　uptake　and　release　rate　of　microorganism　almost　fixed　at　normal　level　under　temperature　(18-26°C)　and　decreased　sharply　at　temperature　(11-18°C).　Finally,　the　variation　of　energy　consumption　at　different　temperature　was　investigated.　And　the　effect　of　DO　control　by　frequency　conversion　on　the　energy　consumption　of　aeration　phase　was　analyzed.

关键词：

Chemical oxygen demand Temperature Wastewater treatment Ammonia Energy conservation Nutrients Dissolved oxygen sensors Energy utilization Process control

作者机构：

[ 1 ] [Gu, Sheng-Bo]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Gu, Sheng-Bo]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Wang, Shu-Ying]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Wang, Shu-Ying]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Yang, Pei]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Yang, Pei]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 7 ] [Li, Ling-Yun]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 8 ] [Li, Ling-Yun]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 9 ] [Li, Lun]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 10 ] [Li, Lun]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 11 ] [Yang, Qing]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 12 ] [Yang, Qing]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China

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wsy@bjut.edu.cn

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