Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 278, Issue -, Pages 116-123Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2014.05.101
Keywords
PCDD/Fs; Emission factor; Diesel vehicles; Power generator
Categories
Funding
- Spanish Ministry of Education [CTQ2008-05520]
- Valencian Community Government (Spain) [PROMETEO/2009/043/FEDER]
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PCDD/F emissions from three light-duty diesel vehicles - two vans and a passenger car - have been measured in on-road conditions. We propose a new methodology for small vehicles: a sample of exhaust gas is collected by means of equipment based on United States Environmental Protection Agency (U.S. EPA) method 23A for stationary stack emissions. The concentrations of O-2, CO, CO2, NO, NO2 and SO2 have also been measured. Six tests were carried out at 90-100 km/h on a route 100 km long. Two additional tests were done during the first 10 min and the following 60 mm of the run to assess the effect of the engine temperature on PCDD/F emissions. The emission factors obtained for the vans varied from 1800 to 8400 pg I-TEQ/Nm(3) for a 2004 model year van and 490-580 pg I-TEQ/Nm(3) for a 2006 model year van. Regarding the passenger car, one run was done in the presence of a catalyst and another without, obtaining emission factors (330-880 pg I-TEQ/Nm(3)) comparable to those of the modern van. Two other tests were carried out on a power generator leading to emission factors ranging from 31 to 78 pg I-TEQ/Nm(3). All the results are discussed and compared with literature. (C) 2014 Elsevier B.V. All rights reserved.
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