天津市高架点源对城区空气质量影响分析

Effects of High Chimney Emission on Air Quality in Urban Area of Tianjin

从典型高架点源到城市众多高架源的污染进行综合分析,阐述了高架点源的污染分布特征和对城市空气质量的影响,高架点源对天津市污染物排放贡献率为45%,但对城市空气质量影响为12%。

Pollution characters of high chimney emission sources and its effects to urban air quality have been analysed through typical high chimney sources and all high chimney emission source in Tianjin.High chimney emission sources builded in recent years contributed high rate of 45 percent to total pollutant emission in the city,but showed very lower rate of 12 percent of contribution to air quality.