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title Potential effects of using biodiesel in road-traffic on air quality over the Porto urban area, Portugal
authors Ribeiro, I; Monteiro, A; Lopes, M
author full name Ribeiro, Isabel; Monteiro, Alexandra; Lopes, Myriam
title Potential effects of using biodiesel in road-traffic on air quality over the Porto urban area, Portugal
nationality internacional
language English
document type Article
author keywords Biodiesel; Atmospheric pollutant emissions; Numerical modelling; Air quality
abstract This work aims to assess the impacts of biodiesel blends use in road-traffic on air quality. In this frame, the air quality numerical modelling system WRF-EURAD was applied over Portugal and the Porto urban area, forced by two emission scenarios (including CO, NOx, PM10, PM2.5, NMVOC, formaldehyde, acetaldehyde, acrolein and benzene): a reference scenario, without biofuels, and a scenario where a B20 fuel (20% biodiesel/80% diesel, v/v) is used by the diesel vehicle fleet. Regarding carbonyl compounds, emission scenarios pointed out that B20 fuel can promote an increase of 20% on formaldehyde, acetaldehyde and acrolein emissions, leading to increments on equivalent ozone production. On the other hand, through the air quality modelling exercise, it was verified that the use of B20 helps in controlling air pollution, improving CO and NO2 concentrations in urban airshed in about 20% and 10%, respectively, taking into account a regional simulation grid. However, according to the urban scale simulation, NO2 levels can increase in about 1%, due to the use of B20, over the Porto urban area. For the remaining studied pollutants, namely PM10 and PM2.5, mean concentrations will be reduced all over the territory, however in a negligible amount of <1%. (c) 2015 Elsevier Ltd. All rights reserved.
author address Univ Aveiro, CESAM, P-3810193 Aveiro, Portugal; Univ Aveiro, Dept Environm & Planning, P-3810193 Aveiro, Portugal
reprint address Ribeiro, I (reprint author), Univ Cologne, Rhenish Inst Environm Res, Cologne, Germany.
e-mail address ilr@eurad.uni-koeln.de
funding agency and grant number FEDER funds through the Programa Operacional Factores de Competitividade - COMPETE; National Funds through FCT - Fundacao para a Ciencia e a Tecnologia [PTDC/AAC-AMB/103866/2008, FCOMP-01-0124-FEDER-008587]; CLICURB project [EXCL/AAG-MAA/0383/2012]; Portuguese 'Ministerio da Ciencia, da Tecnologia e do Ensino Superior' [SFRH/BD/60370/2009, SFRH/BPD/63796/2009]
funding text This work was financed by FEDER funds through the Programa Operacional Factores de Competitividade - COMPETE and National Funds through FCT - Fundacao para a Ciencia e a Tecnologia in the scope of BIOGAIR project (PTDC/AAC-AMB/103866/2008; FCOMP-01-0124-FEDER-008587) and the CLICURB project (EXCL/AAG-MAA/0383/2012). The authors gratefully acknowledge the Portuguese 'Ministerio da Ciencia, da Tecnologia e do Ensino Superior' for the Ph.D grant of Isabel Ribeiro (SFRH/BD/60370/2009) and the post-doc grants of Alexandra Monteiro (SFRH/BPD/63796/2009).
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cited reference count 56
publisher city OXFORD
issn 1352-2310
29-character source abbreviation ATMOS ENVIRON
iso source abbreviation Atmos. Environ.
publication date JAN
year published 2016
volume 125
part number A
beginning page 78
ending page 91
digital object identifier (doi) 10.1016/j.atmosenv.2015.11.006
page count 14
web of science category Environmental Sciences; Meteorology & Atmospheric Sciences
subject category Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
document delivery number DA2OU
unique article identifier WOS:000367636500009
link http://dx.doi.org/10.1016/j.atmosenv.2015.11.006