摘要
本文对北京前门、天坛、定陵地区大气中的有机污染物进行了分析 .发现前门、天坛地区大气中有机污染是严重的 ,明显高于市郊定陵地区 .其中有机污染物以含N、S、O的杂环化合物为主 ,在多环芳烃中检出了 4 0多种化合物 .其中大多属于美国国家环保局 (EPA)优先控制污染物 ,很多是具有致癌和怀疑有致癌性的多环芳烃 .主要来源于煤的不完全燃烧 ,也有相当部分来源于汽车尾气的排放 .因此 ,我们认为减少多环芳烃在空气中的大量排放 。
Research on the organic trace pollutant in the atmosphere in Beijing Qianmen,Tiantan,Dingling district indicates a critical condition of organic matter pollution. The pollution is evidently higher than that in Dingling district. Of the over 80 kinds of PAH in the atmospheric particle, mainly compose of heterocyclic compounds containing N、S、O and majority belongs to the firstly-controlled pollutant proposed by EPA. Many of them are carcinogenic or suspiciously carcinogenic PAHs, derived mainly from the incomplete combustion of fuel fossil of coal and the gas let out by automobile. Therefore, we consider that to reduce letting out a large number of PAH into the atmosphere and to safeguard residents healthy is very urgent.
出处
《中央民族大学学报（自然科学版）》
2001年第2期162-166,共5页
Journal of Minzu University of China(Natural Sciences Edition)
基金
北京市自然科学基金!资助项目 (8972 0 0 7)
