摘要
通过SUMMA罐采样-冷阱捕集浓缩与气质联用技术,对珠江三角洲A工业城镇的工业区、居住区和教学区环境空气中总VOCs浓度和34种VOCs组分含量进行分析。结果表明:A城镇环境空气中总VOCs的平均浓度为141.82μg/m^3,100%检出的苯系物有9种,氯代烃有11种;二氯甲烷、甲苯、乙苯、间,对二甲苯、苯乙烯、苯、邻-二甲苯、1,2-二氯乙烷是环境空气中占比最高的8种VOCs污染物;苯乙烯的小时浓度存在超标现象。OFP计算结果显示,间,对二甲苯、甲苯、邻-二甲苯、乙苯和苯乙烯是A城镇环境空气中生成臭氧潜趋势最大的物质。
The concentration of total VOCs and contents of 34 kinds of VOCs in the ambient air in industrial area, residential area and teaching area of A Industrial Town in Pearl River Delta were analyzed by utilizing SUMMA canister sampling-cold trap concentration and GC/MS technology. Results of the study show that the average concentration of total VOCs in the ambient air of A Town was 141.82 μg/m^3, and 9 kinds of benzene series and 11 kinds of chlorinated hydrocarbon were 100% detected; methylene chloride, methylbenzene, ethylbenzene, m/p-xylene, styrene, benzene, o-xylene, 1,2-dichloroethane were the top 8 VOCs pollutants in ambient air; the hourly concentration of styrene was over standard. In addition, the OFP calculation results show that m/p-xylene, methylbenzene, o-xylene, ethylbenzene and styrene are the matters with the maximum ozone production potential in ambient air of A Town.
作者
苏伟健
龙淼
陈涛
黎碧霞
黎丽莉
SU Wei-jian;LONG Miao;CHEN Tao;LI Bi-xia;LI Li-li(Environmental Technological Center of Nanhai District in Foshan City,Foshan 528200,China;Guangzhou Institute of Geochemistry,Cl~inese Academy of Sciences,Guangzhou 510640,China)
出处
《环境工程》
CAS
CSCD
北大核心
2018年第12期135-139,187,共6页
Environmental Engineering
基金
国家自然科学基金青年基金(41503116)
关键词
珠江三角洲
环境空气
挥发性有机物
污染特征
pearl river delta
ambient air
volatile organic compounds
pollution characteristics