Performance Stability of CANON reactor and temperature impact - Details

Author：

Fu, K.-M. (Fu, K.-M..) | Zhang, J. (Zhang, J..) | Cao, X.-S. (Cao, X.-S..) | Li, D. (Li, D..) (Scholars：李冬) | Meng, X.-Z. (Meng, X.-Z..)

Indexed by：

Scopus PKU CSCD

Abstract：

In　order　to　study　long-term　effect　of　completely　autotrophic　nitrogen　removal　over　nitrite　(CANON)　reactor,　performance　stability　was　investigated　by　using　synthetic　inorganic　ammonia-rich　wastewater　as　raw　water　with　a　continuous　flow　CANON　reactor.　Both　performances　of　short-cut　nitrification　and　ANAMMOX　were　stable　for　more　than　one　year.　Under　the　condition　that　inner　temperature　at　35°C±1°C,　pH　7.39　and　8.01,　and　hydraulic　retention　time　3.7-5.1　h,　the　average　total　nitrogen　removal　load　was　1.8　kg·(m3·d)-1,　and　the　average　and　maximum　total　nitrogen　removal　efficiency　were　65.09%　and　81.65%　respectively.　Under　sudden　low　temperature　conditions,　both　ANAMMOX　bacteria　and　AOB　were　inhibited,　however,　the　ANAMMOX　bacteria　were　inhibited　more,　which　caused　highly　accumulated　nitrite.　When　temperature　increased　to　35°C　as　normal,　the　performance　of　CANON　reactor　recovered　soon,　which　means　low　temperature　impact　will　have　no　significant　influence　on　stability.　When　the　temperature　reached　more　than　50°C,　the　activity　of　ANAMMOX　bacteria　was　completely　destroyed,　so　high　temperature　must　be　avoided,　though　AOB　can　recovered　to　normal　in　one　week.

Keyword：

Anaerobic ammonia oxidation; CANON process; Nitrite; Short-cut nitrification; Stability; Temperature

Author Community：

[ 1 ] [Fu, K.-M.]Key Laboratory of Urban Stormwater System and Water Environment, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
[ 2 ] [Fu, K.-M.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Zhang, J.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Cao, X.-S.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Li, D.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Meng, X.-Z.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China

Reprint Author's Address：

[Fu, K.-M.]Key Laboratory of Urban Stormwater System and Water Environment, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

Email：

fukunming@yahoo.com.cn

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Source ：

Environmental Science

ISSN： 0250-3301

Year： 2012

Issue： 10

Volume： 33

Page： 3507-3512

Cited Count：