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题名: Optimizing external carbon source addition in domestics wastewater treatment based on online sensoring data and a numerical model
作者: Qibin Wang; Qiuwen Chen; Jing Chen
刊名: Water Science & Technology
出版日期: 2017
卷号: 75, 期号:11, 页码:2716-2725
关键词: aeration costs, carbon source addition, nitrogen removal, pilot reactor
英文摘要:       The removal of total nitrogen in wastewater treatment plants (WWTPs) is often unsatisfactory for a variety of reasons. One possible measure to improve nitrogen removal is the addition of external carbon. However, the amount of carbon addition is directly related to WWTP operation costs,highlighting the importance of accurately determining the amount of external carbon required. The objective of this study was to obtain a low nitrate concentration in the anoxic zone of WWTPs efficiently and economically by optimizing the external carbon source dosage. Experiments were conducted using a pilot-scale pre-denitrification reactor at a Nanjing WWTP in China. External carbon source addition based on online monitoring of influent wastewater quality and a developed nitrification–denitrification numerical model was investigated. Results showed that carbon addition was reduced by 47.7% and aeration costs were reduced by 8.0% compared with those using a fixed-dose addition mode in the pilot reactor. The obtained technology was applied to the full-scale Jiangxinzhou WWTP in Nanjing with promising results.
内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/37300
Appears in Collections:环境水质学国家重点实验室_期刊论文

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Recommended Citation:
Qibin Wang; Qiuwen Chen; Jing Chen. Optimizing external carbon source addition in domestics wastewater treatment based on online sensoring data and a numerical model[J]. Water Science & Technology,2017,75(11):2716-2725.
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