北京市工业污染源大气污染物排放特征

北京市工业污染源大气污染物排放比较严重，其TSP，PM10，PM2．5，SO2，NOx和CO的排放量均占北京市固定污染源排放量的54％以上，煤烟型污染是工业污染的主要部分，占源污染物排放量比面源大，污染物排放主要集中在电力行业和冶金行业，污染源主要分布在城八区中的外四区，特别是工业比较集中的石景山地区和朝阳区，工业污染源排放的颗粒物中细颗粒物比例较高。

Study on Characteristics of Air Pollutant Discharge From Industrial Pollution Sources of Beijing City

The air pollutant discharge from industrial pollution sources in Beijing is more serious.The discharge volume of TSP,PM 10 ,PM 2.5 ,SO 2,NO X and CO from industries accounts for more than 54% of the total amount of all stationary pollution sources in Beijing.The pollution from coal combustion is the major part of industrial pollution.The amount of pollutant discharged from the point source is greater than that of the area source and the pollutants are mainly discharged from electric power industries and metallurgical industries.The major pollution sources are located in the outside four districts of the eight districts in Beijing,especially in Shijingshan and Chaoyang districts.The ratio of the fine particles from industrial pollution sources is higher.