WANGYi-zhen,SUNJing,SUNJi-liang,et al.Investigation on Methane Emissions from Municipal Sewer Networks: State of the Art and Perspectives[J].China Water & Wastewater,2025,41(16):29-37.
市政污水管网系统中甲烷排放研究现状及展望
- Title:
- Investigation on Methane Emissions from Municipal Sewer Networks: State of the Art and Perspectives
- Keywords:
- greenhouse gas; methane; sewer networks; biofilm; sewer sediment
- 摘要:
- 甲烷是全球第二大温室气体，积极行动加速甲烷减排对遏制全球气候变暖具有重大意义。鉴于市政污水管网具有可观的甲烷排放量以及巨大的甲烷减排潜力，综述了市政污水管网系统中甲烷产生与排放研究现状，主要包括不同类型管道内甲烷的产生机理、污水管网中不同形态甲烷的测量方法、国内外市政污水管网中甲烷浓度现状及影响因素，并对市政污水管网的甲烷排放途径及总量进行了分析，在此基础上对市政污水管网的甲烷排放及控制研究提出展望，以期为污水管网甲烷有效减排提供科学依据，为实际工程应用奠定理论基础。
- Abstract:
- Methane is the second largest greenhouse gas in the world, and fast and positive actions to reduce methane emission are of great significance to cope with global warming. There is significant methane emissions from municipal sewer networks, and there is a huge potential for the emission reduction. This paper summarizes the research status of methane production and emission from municipal sewer networks, including the methane production mechanisms of different types of sewers, the measurement methods of different forms of methane, the current situation and influencing factors affecting methane concentrations in sewer networks in China and foreign countries. Additionally, it analyzes the pathway and the total amount of methane emission in municipal sewer networks. On this basis, this paper proposes the research prospect for methane emission and control of municipal sewer networks, to provide a scientific basis for effective methane emission reduction in sewer networks and to establish a theoretical foundation for practical engineering application.
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