我国能源等领域甲烷控排行动成效显著

Core Insights - The methane extraction volume from coal mines in China is projected to reach 13.5 billion cubic meters in 2024, with a utilization volume exceeding 6 billion cubic meters, resulting in a utilization rate of 44.4% [1] - Methane is the second-largest greenhouse gas globally, with a warming potential 30 times that of carbon dioxide, prompting significant efforts in methane emission control across various sectors [1] - The National Carbon Emission Reduction Trading Market (CCER) is providing new momentum for methane reduction in coal mines, allowing projects with low-concentration methane to apply for CCER [1] Group 1 - The establishment of over 20 projects for low-concentration gas and wind drainage gas oxidation utilization has been achieved in China, demonstrating significant progress in methane emission control [1] - The Shanxi Coal Group has built a gas liquefaction base with an annual processing capacity exceeding 1 billion cubic meters, utilizing membrane separation and pressure swing adsorption technology to purify gas into LNG for automotive fuel and city gas [2] - The project has generated additional revenue through carbon market trading, reducing carbon dioxide emissions by over 2 million tons annually, effectively combining resource utilization and marketization [2] Group 2 - The Ministry of Ecology and Environment is steadily advancing methane control actions in energy, agriculture, waste, and sewage treatment sectors, with positive progress reported [2] - Future efforts should focus on establishing an intelligent network system for monitoring and verifying all greenhouse gases, including methane, and developing big data simulation platforms to evaluate policy effectiveness [2] - There is a call for increased innovation in coal methane reduction technologies, particularly for low-concentration gas and wind drainage gas utilization, including direct combustion and porous medium combustion technologies [2]