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Effects of gasoline aromatic content on emissions of volatile organic compounds and aldehydes from a four-stroke motorcycle

机译：汽油中芳烃含量对四冲程摩托车挥发性有机化合物和醛类排放的影响

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摘要

A new four-stroke carburettor motorcycle engine without any engine adjustments was used to study the impact of fuel aromatic content on the exhaust emissions of organic air pollutants (volatile organic compounds and carbonyls). Three levels of aromatic content, i.e. 15, 25, and 50% (vol.) aromatics mixed with gasoline were tested. The emissions of aromatic fuel were compared with those of commercial unleaded gasoline. The results indicated that the A15 (15 vol% aromatics in gasoline) fuel exhibited the greatest total organic emission improvement among these three aromatic fuels as compared with commercial gasoline, reaching 59%. The highest emission factors of alkanes, alkenes, and carbonyl groups appeared in the reference fuel (RF) among all of the test fuels. A15 showed the highest emission reduction in alkanes (73%), aromatics (36%), and carbonyls (28%), as compared to those of the RF. The highest emission reduction of alkenes was observed when using A25 as fuel. A reduction in fuel aromatic content from 50 to 25 and 15 vol% in gasoline decreased benzene and toluene emissions, but increased the aldehyde emissions. In general, the results showed that the highest emission reductions for the most of measured organic pollutants appeared when using A15 as the fuel.
机译：一种新的四冲程化油器摩托车发动机，未进行任何发动机调整，用于研究燃料芳烃含量对有机空气污染物（挥发性有机化合物和羰基化合物）废气排放的影响。测试了三种水平的芳族化合物含量，即15、25和50％（体积）与汽油混合的芳族化合物。将芳香燃料的排放与商业无铅汽油的排放进行了比较。结果表明，与商用汽油相比，这三种芳烃燃料中的A15（汽油中的芳烃含量为15 vol％）总有机排放改善最大。烷烃，烯烃和羰基的最高排放因子出现在所有测试燃料中的参考燃料（RF）中。与RF相比，A15在烷烃（73％），芳族化合物（36％）和羰基化合物（28％）中显示出最高的减排量。当使用A25作为燃料时，观察到烯烃的最大减排量。汽油中的燃料芳烃含量从50％降低到25％和15％（体积）可减少苯和甲苯的排放，但增加了醛的排放。通常，结果表明，使用A15作为燃料时，大多数被测有机污染物的减排量最高。

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  • 来源
    《Environmental Technology》 |2013年第20期|2531-2539|共9页
  • 作者

    Yung-Chen Yao; Jiun-Horng Tsai;

  • 作者单位

    Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan, Republic of China;

    Department of Environmental Engineering, National Cheng Kung University, Tainan 701, Taiwan, Republic of China,Research Center for Climate Change and Environmental Quality, National Cheng Kung University, Tainan 701, Taiwan, Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    chassis dynamometer; specific hydrocarbons; volatile organic compounds; toxicity;

    机译：底盘测功机特定的碳氢化合物;挥发性有机化合物;毒性;

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