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  4. Evaluation of nitrous oxide emitted from Diesel/Biodiesel blends during combustion in a Diesel engine at laboratory scale by a photoacoustic spectroscopy technique
 
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2014
Journal Article
Title

Evaluation of nitrous oxide emitted from Diesel/Biodiesel blends during combustion in a Diesel engine at laboratory scale by a photoacoustic spectroscopy technique

Abstract
The aim of this work was to evaluate the emission of nitrous oxide (N2O) using a diesel engine at laboratory scale without a catalytic converter with diesel/biodiesel blends (%) of 95:5 (B5), 90:10 (B10), 85:15 (B15), 80:20 (B20), 75:25 (B25), and 50:50 (1350). Measurements of N2O in the exhaust gas were made using an experimental setup based on photoacoustic spectroscopy using a quantum cascade laser that was validated to be selective and sensitive in the range from 1.7 to 2.72 ppmv. According to the experimental results, the lowest N2O concentration was found to be in the B5 diesel/biodiesel blend. Also, formaldehyde and methane compounds were detected qualitatively, indicating the possible presence of these chemicals in the combustion of diesel/biodiesel blends.
Author(s)
Rocha, Aline M.
State Univ., Physical Sciences Dep., Rio de Janeiro
Sthel, Marcelo S.
State Univ., Physical Sciences Dep., Rio de Janeiro
Castro, M.P.P. de
State Univ., Physical Sciences Dep., Rio de Janeiro
Mothé, Geórgia A.
State Univ., Physical Sciences Dep., Rio de Janeiro
Silva, Wellington C.
State Univ., Physical Sciences Dep., Rio de Janeiro
Perez, Victor H.
State Univ., Food Technology Dep., Rio de Janeiro
Silva, Marcelo G. da
State Univ., Physical Sciences Dep., Rio de Janeiro
Miklos, András
Fraunhofer-Institut für Bauphysik IBP  
Vargas, Helion
State Univ., Physical Sciences Dep., Rio de Janeiro
Journal
Energy & fuels  
DOI
10.1021/ef500294a
Language
English
Fraunhofer-Institut für Bauphysik IBP  
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