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Emissions of Organic Aerosol Mass, Black Carbon, Particle Number, and Regulated and Unregulated Gases from Scooters and Light and Heavy Duty Vehicles with Different Fuels : Volume 14, Issue 11 (24/06/2014)

By Chirico, R.

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Book Id: WPLBN0003996963
Format Type: PDF Article :
File Size: Pages 49
Reproduction Date: 2015

Title: Emissions of Organic Aerosol Mass, Black Carbon, Particle Number, and Regulated and Unregulated Gases from Scooters and Light and Heavy Duty Vehicles with Different Fuels : Volume 14, Issue 11 (24/06/2014)  
Author: Chirico, R.
Volume: Vol. 14, Issue 11
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2014
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Adam, T. W., Elsasser, M., Baltensperger, U., H. Prevo, A. S., Giechaskiel, B., Clairotte, M.,...Manfredi, U. (2014). Emissions of Organic Aerosol Mass, Black Carbon, Particle Number, and Regulated and Unregulated Gases from Scooters and Light and Heavy Duty Vehicles with Different Fuels : Volume 14, Issue 11 (24/06/2014). Retrieved from http://www.ebooklibrary.org/


Description
Description: Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland. A sampling campaign with seven different types of vehicles was conducted in 2009 at the vehicle test facilities of the Joint Research Centre (JRC) in Ispra (Italy). The vehicles chosen were representative of some categories circulating in Europe and were fueled either with standard gasoline or diesel and some with blends of rapeseed methyl ester biodiesel. The aim of this work was to improve the knowledge about the emission factors of gas phase and particle-associated regulated and unregulated species from vehicle exhaust. Unregulated species such as black carbon (BC), primary organic aerosol (OA) content, particle number (PN), monocyclic and polycyclic aromatic hydrocarbons (PAHs) and a~selection of unregulated gaseous compounds, including nitrous acid (N2O), ammonia (NH3), hydrogen cyanide (HCN), formaldehyde (HCHO), acetaldehyde (CH3CHO), sulfur dioxide (SO2), and methane (CH4), were measured in real time with a suite of instruments including a high-resolution aerosol time-of-flight mass spectrometer, a resonance enhanced multi-photon ionization time-of-flight mass spectrometer, and a high resolution Fourier transform infrared spectrometer. Diesel vehicles, without particle filters, featured the highest values for particle number, followed by gasoline vehicles and scooters. The particles from diesel and gasoline vehicles were mostly made of BC with a low fraction of OA, while the particles from the scooters were mainly composed of OA. Scooters were characterized by super high emissions factors for OA, which were orders of magnitude higher than for the other vehicles. The heavy duty diesel vehicle (HDDV) featured the highest nitrogen oxides (NOx) emissions, while the scooters had the highest emissions for total hydrocarbons and aromatic compounds due to the unburned and partially burned gasoline and lubricant oil mixture. Generally, vehicles fuelled with biodiesel blends showed lower emission factors of OA and total aromatics than those from the standard fuels. The scooters were the main emitters of aromatic compounds, followed by the gasoline vehicle, the diesel vehicles and the HDDV.

Summary
Emissions of organic aerosol mass, black carbon, particle number, and regulated and unregulated gases from scooters and light and heavy duty vehicles with different fuels

Excerpt
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