摘要
对汽车使用乙醇汽油后尾气中9种醛和酮含量的变化趋势进行了研究,结果表明,汽车使用乙醇汽油后,尾气中甲醛、丙烯醛和正戊醛的含量显著增加,增长率分别为293%、186%和192%,其它几种醛类的含量亦呈明显增加趋势,平均增长率在47.8%～92.1%;丙酮、丁酮的含量有所增加,增加幅度分别为16.6%和25.3%。
The content change of aldehyde and ketone in tail gas after using benizine with ethanol by vehicles was studied. Results showed the content of aldehyde increased obviously with average increased rate of 47.8~92.1%; while the content of ketone increased slightly with increase of 16.6% and 25.3%.
出处
《环境科学与技术》
CAS
CSCD
北大核心
2005年第3期51-52,共2页
Environmental Science & Technology
关键词
汽车尾气
乙醇汽油
醛和酮
vehicle exhausting gas
benizine with ethanol
aldehyde and ketone
