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	Cost model for reducing total COD and ammonia nitrogen loads in wastewater treatment plants
	Wang Jia-wei ; Zhang Tian-zhu ; Chen Ji-ning
	2010-10-12 ; 2010-10-12
关键词	Practical/ ammonium compounds costing energy consumption wastewater treatment/ cost model COD reduction ammonia nitrogen loads wastewater treatment plants electrical energy consumption hydraulic load ratio/ E1525 Industrial processes E0230 Environmental issues
中文摘要	An investigation on the cost for reducing total COD and ammonia nitrogen loads in 12 wastewater treatment plants (WWTPs) showed that the operation cost calculated by the amount of treated wastewater could not reflect the cost to treat the pollutants correctly. Within the treatment capacity of WWTPs, the electrical energy consumption for elimination of one kilogram COD or ammonia nitrogen COD decreased as the load reduction of COD or ammonia nitrogen increases, which became stable finally. Therefore, the model to determine the cost for reducing total COD and ammonia nitrogen loads was established based on energy consumption. The impact factors include influent and effluent concentration, treatment capacity and hydraulic load ratio. The deduction from this model would encourage WWTPs to reduce more loads of COD and ammonia nitrogen.
语种	中文
出版者	Editorial Board of China Environmental Science ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79836]
专题	清华大学
推荐引用方式 GB/T 7714	Wang Jia-wei,Zhang Tian-zhu,Chen Ji-ning. Cost model for reducing total COD and ammonia nitrogen loads in wastewater treatment plants[J],2010, 2010.
APA	Wang Jia-wei,Zhang Tian-zhu,&Chen Ji-ning.(2010).Cost model for reducing total COD and ammonia nitrogen loads in wastewater treatment plants..
MLA	Wang Jia-wei,et al."Cost model for reducing total COD and ammonia nitrogen loads in wastewater treatment plants".(2010).

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