摘要
通过收集整理南京市工业源活动水平,采用"自下而上"的方法建立了2014年南京市工业源大气污染物排放清单。清单结果显示,2014年南京市工业源SO_2、NO_x、PM_(2.5)、PM_(10)、CO、VOCs和NH_3的一次排放总量分别为6.70、14.45、4.97、7.06、83.03、14.47和0.07万t。电力生产是SO_2和NO_x的主要排放源,占工业源总排放量的40%以上,钢铁行业是PM_(2.5)、PM_(10)和CO的主要排放源,均占55%以上,VOCs排放主要来自石化化工,贡献了约62.6%的工业源排放。工业重点源空间分布结果显示,南京市重点源排放主要集中于长江沿岸一带的2个园区:南京化学工业园区和南京经济技术开发区。该研究建立的排放清单具有一定的不确定性,建议后续研究加强大气污染物排放系数的研究,进一步完善大气污染物排放清单,为该市大气污染预报预警和污染控制措施的制定提供重要基础数据。
This study was devoted to work out an industry air pollutants emission inventory of Nanjing City for the year of 2014. An up-bottom approach was adopted to compile the inventory based on the industrial emission sources in Nanjing. The inventory revealed that the emissions of SO2, NOx, CO, PMzs, PM10, VOCs and NH3 in the City in 2014 were 6.70×10^4 t, 14.45×10^4 t, 4.97x104 t, 7.06×10^4 t, 83.03×10^4 t, 14.47×10^4 t and 0.07×10^4 t, respectively. Of the industrial sectors the power plants contributed the most of SO2 and NOx which accounted for more than 40% of total emissions; while iron/steel manufacturing was the main emission source of PMzs, PM10 and CO that all of those indicators accounted for more than 55% of total emissions. In addition, about 62.6% of VOCs emissions came from petrochemical chemical. According to the results of spatial distribution analysis, the major industrial emission sources in Nanjing City centered in chemical industrial park and eco-tech development zone which located along the coast of the Yangtze River. However, considering some uncertainties still yet existed in the emission inventory, it was suggested that further studies were needed regarding the emission factors to improve the emission inventory.
出处
《环境科学与技术》
CAS
CSCD
北大核心
2017年第3期204-210,共7页
Environmental Science & Technology
基金
国家科技支撑计划项目青奥会空气质量保障技术集成与应用(2011BAK21B03)
关键词
排放清单
工业源
大气污染物
排放特征
空间分布特征
emission inventory
industrial air pollutants emission
air pollutants
emission characteristics
spatial allocation
