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	Optimisation of anaerobic/anoxic/oxic process to improve performance and reduce operating costs
	Peng YZ(彭永臻)
	2012-04-24 ; 2012-04-24
中文摘要	A laboratory-scale anaerobic/anoxic/oxic reactor system was used to treat synthetic brewery wastewater for 1 year. The objectives were to enhance denitrifying phosphorus removal, improve biological nutrient removal and reduce operating costs. Three operational strategies were tested: (1) controlling nitrate recirculation to stimulate the growth of denitrifying phosphate-accumulating organisms; (2) adjusting the volume ratio of the anaerobic/anoxic/oxic zones to enhance anoxic P uptake; (3) bypassing a part of the influent flow into the anoxic zone to maximise anoxic P uptake and denitrification. The results showed that not only was anoxic P uptake enhanced but also energy consumption for aeration could be reduced when the anoxic effluent NO3--N concentration was controlled between 1 and 3 mg L-1. The optimal volume ratio of the anaerobic/anoxic/aerobic zones in this system was found to be 1:1:2. The optimal bypass flow ratio was 0.32. The results indicated that the optimal strategies could improve treatment performance and reduce operational costs, but there was still a challenge to treat wastewater with low C/N ratio. ? 2006 Society of Chemical Industry.
原文出处	http://dlib.edu.cnki.net/kns50/download.aspx?filename=3pkbUhUa4NETxhXdEhFOiZmVNtyQrInRnlnaBN3VQZzMUpFbJFFRRtUUEhjTWd2bOlTQ4oWeRJGTi1GeHhnePlDZG5UZaN1bnJTOnd1UlhlY55mZ0pmbzQ1YqtWNxhzcSxkUDhnNNpnVkN2T2h2VJFTdm5mdsFWU&tablename=CJFD2009&dflag=pdfdown 全文链接
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/18125]
专题	北京工业大学
推荐引用方式 GB/T 7714	Peng YZ. Optimisation of anaerobic/anoxic/oxic process to improve performance and reduce operating costs[J],2012, 2012.
APA	彭永臻.(2012).Optimisation of anaerobic/anoxic/oxic process to improve performance and reduce operating costs..
MLA	彭永臻."Optimisation of anaerobic/anoxic/oxic process to improve performance and reduce operating costs".(2012).

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