The contributions of non-methane hydrocarbon emissions by different fuel type on-road vehicles based on tests in a heavily trafficked urban tunnel
文献类型：期刊论文
| 作者 | Xiao, Shaoxuan1,2,5; Zhang, Yanli1,2,5 ; Zhang, Zhou5; Song, Wei1,2,5; Pei, Chenglei4,5; Chen, Duohong3; Wang, Xinming1,2,5
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| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
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| 出版日期 | 2023 |
| 卷号 | 873页码:162432 |
| 关键词 | VOLATILE ORGANIC-COMPOUNDS AIR-POLLUTION SOURCES SOURCE APPORTIONMENT AEROSOL FORMATION COMPOUNDS VOCS MEXICO-CITY GUANGZHOU CHINA INVENTORIES REACTIVITY |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2023.162432 |
| 英文摘要 | Automobile exhaust is a major source of volatile organic compounds (VOCs) in metropolitan areas, yet it is difficult to accurately determine the contributions of different types of on-road vehicles. Tunnel tests are an effective way to measure real-world vehicle emissions, and the data collected are also suitable for receptor modeling to analyze the contributions of non-methane hydrocarbons (NMHCs) from different types of vehicles, as the closed environment ensures good mixing and minimal aging. In this study, tunnel tests were conducted inside a heavily trafficked city tunnel in Guangzhou in south China, and the positive matrix factorization (PMF) model was applied to the inlet-outlet incremental NMHC data. The results revealed that gasoline vehicles (GVs), Liquefied Petroleum Gas vehicles (LPGVs), and diesel vehicles (DVs) were responsible for 39 %, 45 % and 16 % of NMHCs, and 52 %, 23 %, and 24 % of the ozone formation potentials, respectively. LPGVs were the largest contributor of (56 %) alkanes, and GVs were the largest contributor of aromatics (61 %) and C2-C4 alkenes (55 %). With the video-recorded traffic counts the emissions of different fuel types are further compared on a per-vehicle-per-kilometer basis, and the results reveal that LPGVs and GVs were comparable in the OFPs of NMHCs emitted per kilometer, while on average a DV emitted 2.0 times more NMHCs than a GV with 2.4 times more OFPs. This study highlights substantial contribution of reactive alkenes and aromatics by DVs and the benefits of strengthening diesel exhaust control in terms of preventing ozone pollution. ? 2023 |
| WOS研究方向 | Environmental Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000952365600001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/80302]  |
| 专题 | 有机地球化学国家重点实验室 |
| 作者单位 | 1.University of Chinese Academy of Sciences, Beijing; 100049, China 2.CAS Center for Excellence in Deep Earth Science, Guangzhou; 510640, China 3.Guangdong Provincial Ecological Environment Monitoring Center, Guangzhou; 510308, China 4.Guangdong Province Guangzhou Ecological Environment Monitoring Center Station, Guangzhou; 510030, China 5.State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou; 510640, China |
| 推荐引用方式 GB/T 7714 | Xiao, Shaoxuan,Zhang, Yanli,Zhang, Zhou,et al. The contributions of non-methane hydrocarbon emissions by different fuel type on-road vehicles based on tests in a heavily trafficked urban tunnel[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2023,873:162432. |
| APA | Xiao, Shaoxuan.,Zhang, Yanli.,Zhang, Zhou.,Song, Wei.,Pei, Chenglei.,...&Wang, Xinming.(2023).The contributions of non-methane hydrocarbon emissions by different fuel type on-road vehicles based on tests in a heavily trafficked urban tunnel.SCIENCE OF THE TOTAL ENVIRONMENT,873,162432. |
| MLA | Xiao, Shaoxuan,et al."The contributions of non-methane hydrocarbon emissions by different fuel type on-road vehicles based on tests in a heavily trafficked urban tunnel".SCIENCE OF THE TOTAL ENVIRONMENT 873(2023):162432. |
入库方式： OAI收割
来源：广州地球化学研究所
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