Optimization of low-carbon municipal solid waste processing model
城市生活垃圾处理全过程的低碳模式优化研究

Carbon emission from Municipal solid waste (MSW) treatment is one of the major anthropogenic sources to cause climate change. In this paper, we proposed an optimization method for MSW low-carbon mode in the overall processing of MSW through evaluation on resource and energy consumption, Green House Gas (GHG) emission potential and recovery rate of different scenarios. This method identified the main regulatory measures and quantitatively set low-carbon processing mode under certain constraints. The method was then applied to Beijing MSW treatment. We designed three scenarios and conducted evaluation on resource and energy consumption, GHG emission potential and recovery rate of the three scenarios. After evaluating resource and energy consumption, GHG emission potential and recovery rate of each scenario, low-carbon development strategies for MSW management were determined. The results showed that the most efficient strategy at present was to decrease landfill proportion, in parallel to increasing composting and incineration proportion. The optimized low-carbon processing mode was to set landfill proportion of 23%, incineration proportion of 25%, and composting proportion of 52%.