NDLI: Comparative Study on the Denitrifying Phosphorus Removing Characteristics of MWTPs Guilin China

Content Provider	IEEE Xplore Digital Library
Author	Shaoyuan Bai Yinian Zhu Qinglin Xie Jie Liu Hua Zhang Meina Liang Tengshu Chen Yuqian Lin
Copyright Year	2011
Abstract	The denitrifying phosphorus removal characteristics of three municipal wastewater treatment plants (MWTPs) with different process, i.e., the Carrousel system included an oxicaerobic stage (A/O), the anoxic-aerobic Carrousel system with separated pre-anaerobic tank (A/C) and the typical three-stageanaerobic¨Canoxic¨Caerobic process (A2/O), were investigated by examining the sludge roles on phosphorus release in anaerobic stage and phosphorus uptake with two different electron acceptors (oxygen and nitrate). The results indicated that the phosphorus release ability of A/O sludge was larger than that of the A/C sludge and the A2/O sludge. The A/C sludge had larger phosphorus aerobic uptake and denitrifying phosphorus removing capabilities (15.39 and 8.90mgP/g VSS, respectively). The relative populations of the denitrifying phosphate accumulating organisms (DNPAOs) with the polyphosphate accumulating organisms (PAO) was calculated from the results of phosphorus uptake batch experiments with either oxygen or nitrate as electron acceptor, and ratios of DNPAO/PAO were57.81% in the A/C sludge, 32.16% in the A/O sludge and27.03% in the A2/O sludge.
Starting Page	702
Ending Page	707
File Size	689750
Page Count	6
File Format	PDF
ISBN	9781612842783
DOI	10.1109/CDCIEM.2011.354
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Carrousel system Municipal wastewater treatment plant Microorganisms Process configuration Effluents Denitrification Nitrogen Carbon Wastewater treatment Dephosphorization
Content Type	Text
Resource Type	Article

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