钢铁工业城市SO_2污染分析  

Analysis of SO_2 pollution in iron and steel industry city

作　　者：张文艺[1] 翟建平[1] 李琴[1] 

机构地区：[1]南京大学环境学院污染控制与资源化研究国家重点实验室

出　　处：《哈尔滨工业大学学报》2006年第8期1251-1254,共4页Journal of Harbin Institute of Technology

基　　金：安徽省自然科学基金资助项目(01045302);安徽省教育厅自然科学基金资助项目(2002KJ050;2005KJ033)

摘　　要：安徽省马鞍山市城市大气污染物SO2主要来源于钢铁工业的矿石冶炼、煤炭焦化及工业锅炉等点源污染.通过对该市能源结构、历年工业用煤量、SO2排放总量、酸雨发生频率、硫酸盐化速率等数据资料分析,揭示出该市近年来城市大气SO2变化特征,指出大气SO2污染贡献主要来源于钢铁工业点源.通过钢铁企业不断加大技改力度,逐年减少SO2排放量,城市大气SO2质量浓度呈下降趋势,达到国家环境空气质量I级标准(GB3095-1996).因此,对于产业结构单一钢铁工业小城市,其大气污染主要来自于工业点源污染,点源是大气SO2污染控制、治理的重点.Air pollutant SO2 of Maanshan mainly comes from point sources in field of iron ＆ steel industry, including ore smelting, coking and industrial boiler. Based on the data, such as energy structure, previous industrial coal consumption, SO2 emission, acid rain occurrence, sulfation rate, etc, features of changes of atmospheric SO2 are disclosed, and main contribution to atmospheric SO2 pollution is concluded as iron ＆ steel industrial point sources. Through technical improvement in iron ＆ steel companies, SO2 emission has been gradually reduced, which has met Class Ⅰ requirements of State Environment and Air Quality Standard （GB3095 -1996）. It can be concluded that for small iron ＆ steel industrial city with single industrial structure, the main atmospheric pollutants come from industrial point sources, which are crucial for control and treatment of atmospheric SO2 pollution.

关 键 词：SO2 点源污染 空气污染 硫酸盐化速率 酸雨 

分 类 号：X321.012[环境科学与工程—环境工程]