Non-agricultural ammonia emission inventory in urban China:Implications for atmospheric particulate metter control
The impact of non-agricultural ammonia (NH3) emissions on urban ambient particles and human health is a new environmental concern.Even though future reductions in the emissions of NOx and SO2 are expected to improve air quality,meeting China’s PM2.5 standards is proving a challenge in the absence of NH3 control.The starting point for finding credible solutions is to comprehensively establish a city-specific Non-agricultural Ammonia Emission Inventory (NAEI) and identify the biggest source where efforts can be directed to deliver the largest impact.In this paper we present a NAEI of 113 national key cities targeted on environmental protection in China in 2010,which for the first time covers NH3 emissions from pets,infants,smokers,green land,and household products.The NAEI reveals the relative scale of seven NH3 sources and highlights that traffic and fuel combustion should be the focus of future controls.Moreover,the results suggest that the non-agricultural sources of NH3 emissions potentially have a significant impact on PM formation in urban China.Therefore,in addition to current SO2 and NOx controls,China needs to put more scientific,technical,and legal attention on controlling non-agricultural NH3 emissions in the future.
ammonia particulate matter non-agricultural NH3 PM2.5 China
Yun-Hua Chang Xue-Jun Liu Anthony J.Dore Cong-Rui Deng Kan Huang Jian Xu Guo-Shun Zhuang
Center for Atmospheric Chemistry Study,Department of Environmental Science and Engineering,Fudan Uni College of Resources and Environmental Sciences,China Agricultural University,Beijing 100193,China Centre for Ecology and Hydrology,Penicuik,Midlothian EH26 9HF,UK Center for Atmospheric Chemistry Study,Department of Environmental Science and Engineering,Fudan Uni
国内会议
第十一届全国博士生学术年会专题——节能环保与污染防治技术分会场论坛
成都
英文
31-55
2013-10-01(万方平台首次上网日期,不代表论文的发表时间)