Characterization of nitrous oxide and nitric oxide emissions from a full-scale biological aerated filter for secondary nitrification
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- 作者：Yayi Wang ; yayi.wang@tongji.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Huiying Fang ; Dong Zhou ; Haicheng Han ; Jie Chen
- 关键词：Nitrous oxide emission ; Nitric oxide emission ; Online monitoring campaign ; Biological aerated filter ; Secondary nitrification
- 刊名：Chemical Engineering Journal
- 出版年：2016
- 出版时间：1 September 2016
- 年：2016
- 卷：299
- 期：Complete
- 页码：304-313
- 全文大小：861 K
文摘
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N2O and NO emissions from a full-scale BAF were studied online for the first time.
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N2O and NO emissions occurred even at DO over 6.9 mg/L in the studied BAF.
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N2O and NO emission factors were 0.017–0.828% and 0.00017–0.0041%, respectively.
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Influent NO2−-N concentration was a direct contributor to N2O and NO production.
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Nitrifier denitrification is a possible N2O and NO production pathway.