详细信息
上海市交通干道空气中苯系物冬季污染特征初探
A Preliminary Study on BTEX Pollution Characteristics in Ambient Air at Traffic Road of Shanghai in Winter
文献类型:期刊文献
中文题名:上海市交通干道空气中苯系物冬季污染特征初探
英文题名:A Preliminary Study on BTEX Pollution Characteristics in Ambient Air at Traffic Road of Shanghai in Winter
作者:张爱东[1];郭明明[1];修光利[2]
机构:[1]上海市闸北区环境监测站,上海200072;[2]华东理工大学环境咨询研究中心,上海200237
年份:2006
卷号:22
期号:2
起止页码:52
中文期刊名:中国环境监测
外文期刊名:Environmental Monitoring in China
收录:CSTPCD;;北大核心:【北大核心2004】;CSCD:【CSCD_E2011_2012】;
语种:中文
中文关键词:苯系物;空气污染;交通干道;上海
外文关键词:BTEX ; Air pollution ; Main traffic road ; Shanghai
摘要:2004年冬季对上海市交通干道附近空气中苯系物的浓度水平进行了监测,并采用气相色谱法进行分析.结果表明,采样期间大气中苯、甲苯、乙苯、二甲苯的浓度分别为1.77~27.7μg/m^3、7.29~195μg/m^3、3.11~40.2μg/m^3、4.49~82.4μg/m^3.每日6:30~9:30和15:30~19:00两个时段苯系物的浓度要高于中午时间的浓度,与国内其他城市相比,上海市甲苯的浓度要高,浓度水平要远远高于国外城市的测定结果.苯系物的浓度受风速和风向影响较大.提出了制订空气中苯系物的排污清单和加强机动车尾气中苯系物控制的建议.
The levels of benzene, toluene, ethylbenzene and xylene (BTEX) in ambient air around main traffic road of Shanghai were monitored in wintertime of 2004. The results indicated that the concentrations of benzene, toluene , ethylbenzene and xylene were in ranges of 1.77 - 27.7μg/m^3 ,7.29 - 195μg/m^3 ,3.11 - 40.2μg/m^3 and 4.49 - 82.4μg/m^3 respectively. The concentrations in both spells of 6:30 - 9:30 and 15:30 - 19:00 were higher than that at noon every day. The toluene concentration in Shanghai was relatively high by comparison with other cities in China, while much higher than that in most of foreign cities. It was also found that BTEX concentrations changed greatly with the wind speed and wind direction. More efforts should be made to BTEX emission inventory and BTEX control over vehicle exhaust emission.
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