汾渭典型城市空气质量特征及污染成因分析  

Analysis of Air Quality Characteristics and Pollution Causes in Typical Cities of Fenwei

作　　者：冯琨 靳春嵩 兰杰 吕安 朱丽娅 Feng Kun;Jin Chunsong;Lan Jie;Lv An;Zhu Liya(Shanxi Low Carbon Environmental Protection Industry Group Co.,Ltd.,Shanxi,030032;Shanxi Provincial Ecological Environment Monitoring and Emergency Support Center(Shanxi Academy of Ecological Environment Sciences),Shanxi,030027;Zhongke Sanqing Technology Co.,Ltd.,Beijing,100029)

机构地区：[1]山西低碳环保产业集团有限公司,山西030032 [2]山西省生态环境监测和应急保障中心(山西省生态环境科学研究院),山西030027 [3]中科三清科技有限公司,北京100029

出　　处：《当代化工研究》2024年第6期85-89,共5页Modern Chemical Research

基　　金：大气污染防治专项“山西省环境空气质量预报预警平台”(项目编号:ZWY-GT-2021-006);山西省重点研发计划项目“山西省域大气污染溯源监测与协同管控关键技术研究”(项目编号:202202090301023)。

摘　　要：通过搜集2019—2021年孝义市大气监测数据及2021年企业排放数据,利用对比分析及AERSCREEN进行污染贡献模拟,以评价汾渭典型城市空气质量特征及工业排放对污染影响程度。结果表明:(1)2019—2021年,孝义市SO_(2)、NO_(2)、PM_(10)污染突出,SO_(2)、PM_(10)、PM_(2.5)同比均明显下降,NO_(2)和O_(3)降幅偏低或不降反升。(2)2021年孝义市各指标与周边县(市、区)及全省数据均值对比明显偏高,本地污染排放强度大。同比2019年,2021年孝义市PM_(2.5)改善率达35.9%,SO_(2)、NO_(2)、CO改善效果明显低于周边及全省其他县(市、区)。(3)现代煤化工产业园对孝义市PM_(10)、PM_(2.5)、SO_(2)和NOx贡献分别达50.9%、82.6%、64.9%和64.4%。(4)汾渭平原城市以煤烟型污染为主,受复杂地形影响污染扩散不力,采暖期污染水平明显偏高,需从能源、产业、交通等问题根源上调整解决。To evaluate the air quality characteristics of typical cities in the Fenwei River and the impact of industrial emissions on pollution.Comparative analysis was conducted using air monitoring data from 2019 to 2021 in Xiaoyi City and emission data from enterprises in 2021,and pollution contribution simulation was conducted using the AERSCREEN model.The results show that:(1)From 2019 to 2021,the pollution of SO_(2),NO_(2),and PM_(10) in Xiaoyi City was prominent,with a significant year-on-year decrease in SO_(2),PM_(10),and PM_(2.5),while the decrease in NO_(2) and O_(3) was relatively low or increased instead of decreasing.(2)In 2021,the six parameters in Xiaoyi City were significantly higher than the average data of surrounding counties and the whole province,and the local pollution emission intensity is high.Compared to 2019,the improvement rate of PM_(2.5) in Xiaoyi City in 2021 reached 35.9%,and the improvement effect of SO_(2)、NO_(2) and CO was significantly lower than of surrounding and provincial counties.(3)The modern coal chemical industry park contributes 50.9%、82.6%、64.9% and 64.4% to PM_(10)、PM_(2.5)、SO_(2) and NOx in Xiaoyi City,respectively.(4)The cities in the Fenwei Plain are mainly affected by coal smoke pollution,which is not easily spread due to complex terrain.The pol-lution level during the heating period is significantly higher,and it is necessary to adjust and solve the root causes of energy,industry,transportation and other problems.

关 键 词：汾渭平原典型城市 空气质量特征 AERSCREEN大气估算模型 

分 类 号：X[环境科学与工程]