globalchange  > 气候变化事实与影响
DOI: 10.1016/j.atmosenv.2013.11.003
Scopus记录号: 2-s2.0-84889563990
论文题名:
Chemical and toxicological properties of emissions from CNG transit buses equipped with three-way catalysts compared to lean-burn engines and oxidation catalyst technologies
作者: Yoon S; , Hu S; , Kado N; Y; , Thiruvengadam A; , Collins J; F; , Gautam M; , Herner J; D; , Ayala A
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 83
起始页码: 220
结束页码: 228
语种: 英语
英文关键词: Chemical characteristics ; CNG bus emissions ; Particulate matter ; Toxicological properties ; Unregulated emissions
Scopus关键词: Buses ; Polycyclic aromatic hydrocarbons ; Rare earth compounds ; Volatile organic compounds ; Chemical characteristic ; Compressed natural gasses (CNG) ; Elemental and organic carbons ; Oxidation catalyst technology ; Particulate Matter ; Polycyclic aromatic hydrocarbons (PAHS) ; Toxicological properties ; Unregulated emissions ; Engines ; 1 methylnaphthalene ; 2 methylnaphthalene ; compressed natural gas ; natural gas ; organic carbon ; polycyclic aromatic hydrocarbon ; sulfur dioxide ; trace element ; unclassified drug ; volatile organic compound ; carbon emission ; catalysis ; engine ; exhaust emission ; mutagenicity ; oxidation ; toxicology ; article ; catalyst ; combustion ; comparative study ; diesel engine ; dynamometer ; exhaust gas ; limit of detection ; mutagenicity ; oxidation ; particulate matter ; priority journal ; stoichiometry ; vaporization
Scopus学科分类: Environmental Science: Water Science and Technology ; Earth and Planetary Sciences: Earth-Surface Processes ; Environmental Science: Environmental Chemistry
英文摘要: Chemical and toxicological properties of emissions from compressed natural gas (CNG) fueled transit buses with stoichiometric combustion engines and three-way catalyst (TWC) exhaust control systems were measured using a chassis dynamometer testing facility and compared to the data from earlier CNG engine and exhaust control technologies. Gaseous and particulate matter emissions from buses with stoichiometric engines and TWC were significantly lower than the emissions from buses with lean-burn engines. Carbonyls and volatile organic compounds (VOCs) from buses with stoichiometric engines and TWC were lower by more than 99% compared to buses with lean-burn engines. Elemental and organic carbons (EC and OC), polycyclic aromatic hydrocarbons (PAHs), and trace elements from buses with stoichiometric engines and TWC were effectively controlled and significantly lower than the emissions from buses with lean-burn engines. Potential mutagenicity measured using a microsuspension modification of the Salmonella/microsome assay was lower by more than 99% for buses with stoichiometric engines and TWC, compared to buses with lean-burn engines and OxC. © 2013 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/80914
Appears in Collections:气候变化事实与影响

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作者单位: California Air Resources Board, Research Division, P.O. Box 2815, Sacramento CA 95814, United States; University of California, Davis, Department of Environmental Toxicology, Davis, CA 95616, United States; West Virginia University, Center for Alternative Fuels, Engines and Emissions, Morgantown, WV 26506, United States

Recommended Citation:
Yoon S,, Hu S,, Kado N,et al. Chemical and toxicological properties of emissions from CNG transit buses equipped with three-way catalysts compared to lean-burn engines and oxidation catalyst technologies[J]. Atmospheric Environment,2014-01-01,83
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