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Evaluating the ammonia emission from in-use vehicles using on-road remote sensing test

机译：使用陆路遥感试验评估使用内用车辆的氨排放量

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摘要

The on-road remote sensing test was conducted in Zhengzhou to obtain a large dataset of ammonia emissions from in-use vehicles. The ammonia emission characteristics and high-emitter vehicles of different manufacture years, vehicles with different emission standards, and vehicles with different types of other fuel vehicles were analysed. The results show that the average ammonia emission concentration obtained through remote sensing tests fluctuated after the initial reduction. The ammonia emission factors generally range from 0.30 to 0.47 g/kg, 0.34-0.50 g/kg and 0.29-0.60 g/kg for gasoline vehicles, diesel vehicles and other fuel vehicles respectively. Improving the emission standards of new vehicles has a direct role in reducing exhaust pollution from in-use vehicles. However, after the China III emission standard, the ammonia emission level showed a stable trend and no obvious downward trend. The distributions of ammonia emission rates were highly skewed as the dirtiest 10% of vehicles emitted much higher emissions than other vehicles. In the group with the highest emissions, the emissions from other fuel vehicles were lower than those from gasoline and diesel vehicles. However, the percentage of high-emitters decreased with newer emission standards for vehicles. The results indicate that remote sensing test technology will be very effective in screening vehicles with high ammonia emissions. However, some clean vehicles can be exempted from annual inspection through remote sensing test technology. Finally, based on the comprehensive analysis of big data from remote sensing, the ammonia emissions of diesel vehicles and other fuel vehicles cannot be ignored. (C) 2020 Elsevier Ltd. All rights reserved.
机译：在郑州进行了通道遥感试验，以获得来自使用车辆的大型氨排放数据集。分析了不同制造年的氨排放特性和高音发射器，具有不同排放标准的车辆以及具有不同类型其他燃料车辆的车辆。结果表明，通过在初始减少后通过遥感试验获得的平均氨氨发射浓度。氨排放因子通常为0.30至0.47g / kg，0.34-0.50g / kg和0.29-0.60g / kg分别用于汽油车辆，柴油车辆和其他燃料车辆。改善新车的排放标准在减少使用车辆的废气污染方面具有直接作用。但是，在中国三世排放标准之后，氨排放水平表现出稳定的趋势，无明显下降趋势。氨排放率的分布非常偏向，因为最肮脏的10％的车辆排放的排放量高于其他车辆。在排放最高的组中，其他燃料车辆的排放低于汽油和柴油车辆的排放。然而，高发射器的百分比随着车辆的更新排放标准而减少。结果表明，遥感试验技术在筛查具有高氨排放的车辆方面非常有效。但是，一些干净的车辆可以通过遥感测试技术免遭年度检查。最后，根据遥感的大数据的综合分析，柴油车辆和其他燃料车的氨排放不能忽视。 （c）2020 elestvier有限公司保留所有权利。

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  • 来源
    《Environmental Pollution》 |2021年第2期|116384.1-116384.9|共9页
  • 作者

    Zhang Qijun; Wei Ning; Zou Chao; Mao Hongjun;

  • 作者单位

    Nankai Univ Coll Environm Sci & Engn Tianjin Key Lab Urban Transport Emiss Res Tianjin 300071 Peoples R China;

    Nankai Univ Coll Environm Sci & Engn Tianjin Key Lab Urban Transport Emiss Res Tianjin 300071 Peoples R China;

    Nankai Univ Coll Environm Sci & Engn Tianjin Key Lab Urban Transport Emiss Res Tianjin 300071 Peoples R China;

    Nankai Univ Coll Environm Sci & Engn Tianjin Key Lab Urban Transport Emiss Res Tianjin 300071 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);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

    Ammonia emission; In-use vehicle; Remote sensing test; High-emitters;

    机译：氨排放;使用的车辆;遥感测试;高发射器;
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