Biological nitrogen removal by endogenous denitrification via nitrite at normal temperature - 文章详情页

作者：

Wang, Shao-Po (Wang, Shao-Po.) | Peng, Yong-Zhen (Peng, Yong-Zhen.) (学者：彭永臻) | Yu, De-Shuang (Yu, De-Shuang.) | Zhang, Yan-Ping (Zhang, Yan-Ping.) | Hu, Jian-Ge (Hu, Jian-Ge.)

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摘要：

To　study　the　properties　and　effect　factors　of　endogenous　denitrification　via　nitrite,　an　SBR　reactor　was　operated　in　denitrification　at　20°C　using　nitrogenous　electron　acceptor,　i.e.　NO3-　and　NO2-　Moreover,　the　endogenous　partial　denitrification　rate　was　investigated　at　different　mixed　liquor　suspended　solids　(MLSS).　The　results　show　that　endogenous　denitrification　rate　via　nitrite　was　1.6　times　as　much　as　that　via　nitrate.　When　the　mixed　liquor　suspended　solids　changed　from　4　g/L　to　12　g/L,　the　endogenous　denitrification　rate　increased　from　0.026　d-1　to　0.038　d-1.　After　9　cycles　of　batch　operation,　a　volatile　suspended　solids　(VSS)　reduction　of　16%　was　achieved　with　a　denitrification　rate　decrement　of　49%.

关键词：

Wastewater treatment Denitrification Nitrogen removal Biological water treatment

作者机构：

[ 1 ] [Wang, Shao-Po]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Peng, Yong-Zhen]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Yu, De-Shuang]Department of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
[ 4 ] [Zhang, Yan-Ping]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China
[ 5 ] [Hu, Jian-Ge]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China

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