RESEARCH PROGRESS ON EMISSION AND CONTROL OF NON-CO2 GREENHOUSE GASES IN MUNICIPAL DRAINAGE NETWORKS
The non-CO2 greenhouse gases emitted from municipal drainage networks are the core components of the direct carbon emissions from municipal drainage systems.Reducing non-CO2 greenhouse gas emissions from municipal drainage networks will contribute to green development and low-carbon transformation of municipal drainage systems in the context of carbon peaking and carbon neutrality goals.The current status of non-CO2 greenhouse gas emissions,generating mechanisms,and emission control measures are critical for lowering non-CO2 greenhouse gas emissions in drainage networks.Based on the recent advances in non-CO2 greenhouse gases emissions and control in drainage networks,the non-CO2 greenhouse gases generation and emission data are analyzed,the micro-mechanism and key influencing factors of non-CO2 greenhouse gases production in drainage networks are clarified,and the prediction methods and mathematical models of non-CO2 greenhouse gases emissions are also summarized.In addition,the existing non-CO2 greenhouse gases control methods in drainage networks are discussed.Finally,a conclusion on its future research direction is proposed.