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Comparative Analysis of Black Carbon Aerosol Emissions before and after the Implementation of the Central Heating Project

WANG Xiao-mei1,2,MA Wei-dong1,2,PAN Feng1,2,TONG Ji-long1,2,WU Guan-sheng3(1.Research Center for Environmental Quality Assessment,Lanzhou University, Lanzhou 730000,China;2.College of Atmospheric Sciences,Lanzhou University, Lanzhou 730000,China;3.IT Electronics Eleventh Design & Research Institute Scientific and Technological Engineering Corporation Limited,Chengdu 610021,China)  
Black carbon aerosol in coal soot and dust not only causes the change of climate system energy,but also affects the quality of atmospheric environment and human health,so it is one of the very popular research topics in recent years.This paper takes the central heating project in the new urban area of Dingxi City as an example,quantitatively calculates the black carbon aerosol emission of the central heating project and the decentral heating project by using formula method and pollution sources list method to demonstrate the great environmental benefits of the central heating project.The results show that the improvement of central heating plays an important role of reducing the emission of black carbon aerosol,protecting atmospheric environment quality and reducing air pollution.
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