Methane and nitrous oxide emissions from municipal wastewater treatment - results from a long-term study

被引：196
|
作者：
Daelman, M. R. J. [1 ,2 ]
van Voorthuizen, E. M. [3 ]
van Dongen, L. G. J. M. [1 ]
Volcke, E. I. P. [2 ]
van Loosdrecht, M. C. M. [1 ,4 ]
机构：
[1] Delft Univ Technol, Dept Biotechnol, NL-2628 BC Delft, Netherlands
[2] Univ Ghent, Dept Biosyst Engn, B-9000 Ghent, Belgium
[3] Royal Haskoning, NL-6500 AD Nijmegen, Netherlands
[4] KWR Watercycle Res Inst, NL-3433 PE Nieuwegein, Netherlands
来源：
WATER SCIENCE AND TECHNOLOGY | 2013年 / 67卷 / 10期
关键词：
activated sludge; anaerobic digestion; biological nitrogen removal; carbon footprint; greenhouse gases; methane; nitrous oxide;
D O I：
10.2166/wst.2013.109
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Methane and nitrous oxide emissions from a fully covered municipal wastewater treatment plant were measured on-line during 16 months. At the plant under study, nitrous oxide contributed three-quarters to the plant's carbon footprint, while the methane emission was slightly larger than the indirect carbon dioxide emission related to the plant's electricity and natural gas consumption. This contrasted with two other wastewater treatment plants, where more than 80% of the carbon footprint came from the indirect carbon dioxide emission. The nitrous oxide emission exhibited a seasonal dynamic, of which the cause remains unclear. Three types of air filter were investigated with regard to their effectiveness to remove methane from the off-gas.
引用
收藏
页码：2350 / 2355
页数：6
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