Research on carbon accounting method and carbon reduction effect of centralized sewage treatment plant
Under the background of"two-stage carbon reduction strategy",the low-carbon develop-ment of centralized sewage treatment plants is an urgent problem to be solved.The greenhouse gas e-mission structure of a centralized wastewater treatment plant in Zhejiang Province was studied by con-structing the greenhouse gas accounting model,and the carbon reduction path of the centralized wastewater treatment plant was discussed.The results showed that CH4was the main direct carbon e-mission in the centralized sewage treatment plant,accounting for 68.67％of the total carbon emis-sion.Indirect carbon emission mainly came from purchased electricity,accounting for 21.06％of the total carbon emissions.The carbon emission intensity calculated by using different power grid emis-sion factors ranges from 1.32 to 1.40 kg/m3.The power grid emission factor in Zhejiang Province de-creased faster than the national average level.Through CH4incineration and gas-fired power genera-tion measures,the carbon emission intensity of the centralized wastewater treatment plant can be re-duced to 0.45 kg/m3 and 0.33 kg/m3 respectively.
万方数据
维普
