The influences of diesel particulate filter installation on air pollutant emissions for used vehicles

doi:10.4209/aaqr.2011.05.0066

Chia Nan University of Pharmacy & Science Institutional Repository > 環境永續暨休閒學院 > 環境工程與科學系(所) > 期刊論文 > Item 310902800/26993

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標題:	The influences of diesel particulate filter installation on air pollutant emissions for used vehicles
作者:	Ying, I.Tsai Yang, Hsi-Hsien Wang, Lin-Chi Huan, Jing-Liang Young, Li-Hao Cheng, Man-Ting Chiang, Pen-Chi
貢獻者:	環境工程與科學系
關鍵字:	Diesel vehicle Smoke Particulate matter Diesel particulate filter PAHs.
日期:	2011-10
上傳時間:	2013-10-16 09:08:52 (UTC+8)
出版者:	TAIWAN ASSOC AEROSOL RES-TAAR
摘要:	Three kinds of diesel particulate filters (DPFs) were installed on used diesel-powered vehicles to investigate their influences on air pollutant emissions. The air pollutant emissions were measured before, after and running for specific distances to assess the deterioration effect. The emission measurement was performed on a chassis dynamometer. The results show that emissions of smoke, CO and HC are all reduced after DPF installation. After 20000 km driving, the emission concentrations of the above 3 criteria air pollutants do not increase in comparison with that right after installation. When DPFs are installed, the emissions of PAHs (polycyclic aromatic hydrocarbons) are reduced by 85.6–89.4% and 69.0–89.2% for heavy-duty diesel vehicles (HDVs) and light-duty diesel vehicles (LDVs), respectively. After driving 20000 km for HDVs and 2500 km for LDVs, PAH emissions do not increase in comparison with that right after installation, indicating that the DPFs do not deteriorate after driving for the test mileages. The lower molecular weight PAHs predominates in the exhaust both before and after DPF installation. The results also show the reduction rate is higher for higher molecular weight PAHs due to their tendency to adsorb on particulate.
關聯:	Aerosol and Air Quality Research, 11(5), pp.696-708
显示于类别:	[環境工程與科學系(所)] 期刊論文

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