抚顺市环境空气挥发性有机物污染特征分析

Analysis on Pollution Characteristics of Volatile Organic Compounds in Air of Fushun City

通过对抚顺市挥发性有机物(VOCs)组分的连续监测,分析其组分特征及臭氧生成潜势特征,提出开展臭氧污染防治工作建议。分析得出:抚顺市环境VOCs体积浓度醛酮类>烷烃>芳香烃>烯烃;活性浓度醛酮类>芳香烃>烯烃>烷烃;夏季较高,臭氧生成潜势较大,4月、10月较低,臭氧生成潜势较小;臭氧生成潜势贡献较大的主要为甲醛、1,2,3-三甲苯、乙醛;气团较新鲜,主要受本地源影响,且机动车尾气排放不是主要污染来源。

Based on the continuous monitoring of volatile organic compounds(VOCs)in Fushun City,the characteristics of VOCs and the potential of ozone generation are analyzed,and suggestions for ozone pollution control are put forward.The results show that the volume concentration of VOCs in Fushun City is aldehydes and ketones>alkanes>aromatics>olefins;the active concentration is aldehydes and ketones>aromatics>olefins>alkanes;the ozone generation potential is higher in summer,lower in April and October,and the ozone generation potential is smaller;the main contribution of ozone generation potential is formaldehyde,1,2,3-trimethylene,acetaldehyde;the air mass is relatively fresh,mainly affected by local sources,and vehicle exhaust emissions are not the main source of pollution.