污水处理行业现绿色低碳转型怎么做？

Core Insights - The wastewater treatment industry is crucial for environmental infrastructure and water pollution control, with carbon emissions from this sector accounting for approximately 2% of global totals and showing an upward trend [1] - The industry in China is transitioning from a focus on pollution control to a green direction that emphasizes both pollution reduction and carbon emission reduction, driven by various policies [1][2] - Recent policies aim to enhance energy efficiency and optimize processes in wastewater treatment plants, binding pollution reduction and carbon reduction goals [1][2] Policy and Technological Innovations - Local initiatives are exploring collaborative treatment of industrial wastewater and municipal sewage, exemplified by the Qingdao Water Group's partnership with Qingdao Beer Company, which has saved over 62 million yuan and reduced carbon emissions by over 40,000 tons CO2e [2] - Technological optimizations, such as improved aeration systems and anaerobic digestion for energy recovery, have led to significant energy savings and carbon reductions in various treatment plants [2][3] - The integration of resource recovery and carbon neutrality models is being piloted, with projects in Guangzhou demonstrating carbon reduction through sludge carbonization and carbon trading [3] Challenges and Bottlenecks - The industry faces challenges such as an incomplete standard system for carbon accounting, leading to difficulties in data comparability and performance evaluation [4] - Low-carbon technologies are not yet mature, with high costs and operational instability limiting their application in smaller treatment facilities [4] - Operational management issues, including unstable influent loads and outdated management practices, hinder the ability to optimize energy use and carbon emissions [4] Recommendations for Future Development - The industry should focus on improving policy and standard systems, including developing localized carbon accounting guidelines and energy utilization standards [6] - Promotion of low-carbon technologies and processes is essential, with an emphasis on reducing reliance on traditional carbon sources and enhancing renewable energy integration [6] - Optimizing operations through smart management and real-time monitoring of water quality and energy use can significantly improve efficiency [6] - Innovative mechanisms and multi-party collaboration, such as green finance initiatives, can support low-carbon transformation projects [6]