Study on the Carbon Reduction Effect of Urban Domestic Waste Treatment in Sichuan Province

Abstract

The report of the 20th National Congress of the Communist Party of China proposed that China should "deeply promote pollution prevention and control" and "actively and steadily promote carbon neutralization", while winning the battle for blue sky is an important measure to build a beautiful China. The article proposes the concept of carbon reduction effect of waste treatment, and studies the carbon reduction effect of urban domestic waste treatment in Sichuan Province. Firstly, the system dynamics model of carbon emission problem in domestic waste treatment process is constructed, and the carbon reduction effect value of urban domestic waste in Sichuan province from 2011 to 2020 is calculated, and the relevant data in urban domestic waste treatment in Sichuan province from 2021 to 2030 are predicted. Secondly, in order to continuously improve the carbon reduction effect of urban domestic waste treatment in Sichuan Province in the future, three optimization schemes are proposed based on the share of waste treatment methods. The results show that ① the carbon reduction effect and the total carbon emission reduction equivalent in Sichuan Province from 2011 to 2020 are steadily increasing, and the carbon reduction effect shows a trend of steady improvement. ② From the predicted data of 2021-2030, the carbon reduction effect and the total carbon emission reduction equivalent are steadily increasing, and the carbon reduction effect is more and more significant. ③ From the optimization scheme, the advantages of low carbon emission of aerobic composting and anaerobic fermentation can effectively reduce the total carbon emission, while the advantages of high carbon emission reduction of incineration treatment method can effectively increase the carbon emission reduction equivalent and carbon reduction effect. Based on the above conclusions, Sichuan Province should reduce the sanitary landfill treatment of domestic waste in the future, and use more incineration for domestic waste treatment, while moderate use of aerobic composting and anaerobic fermentation and other waste treatment methods, in order to achieve a good carbon reduction effect and contribute to the realization of the "double carbon" goal. To contribute to the achievement of the "double carbon" goal.