Biodiesel emissions profile in modern diesel vehicles. Part 2: Effect of biodiesel origin on carbonyl, PAH, nitro-PAH and oxy-PAH emissions

Karavalakis, G; Boutsika, V; Stournas, S; Bakeas, E

dc.contributor.author	Karavalakis, G	en
dc.contributor.author	Boutsika, V	en
dc.contributor.author	Stournas, S	en
dc.contributor.author	Bakeas, E	en
dc.date.accessioned	2014-03-01T01:35:21Z
dc.date.available	2014-03-01T01:35:21Z
dc.date.issued	2011	en
dc.identifier.issn	0048-9697	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/21016
dc.subject	Biodiesel emissions	en
dc.subject	Carbonyls	en
dc.subject	Driving cycles	en
dc.subject	Oxidized biodiesel	en
dc.subject	PAH	en
dc.subject	Vehicles	en
dc.subject.classification	Environmental Sciences	en
dc.subject.other	[carbonyl	en
dc.subject.other	ARTEMIS	en
dc.subject.other	Bio-diesel fuel	en
dc.subject.other	Biodiesel blends	en
dc.subject.other	Carbonyl compounds	en
dc.subject.other	Carbonyls	en
dc.subject.other	Chassis dynamometers	en
dc.subject.other	Constant volume sampling	en
dc.subject.other	Cyclic acids	en
dc.subject.other	Diesel vehicles	en
dc.subject.other	Driving cycle	en
dc.subject.other	Emission measurement	en
dc.subject.other	Frying oil	en
dc.subject.other	Methyl esters	en
dc.subject.other	New european driving cycles	en
dc.subject.other	Oxidized biodiesel	en
dc.subject.other	PAH	en
dc.subject.other	PAH compounds	en
dc.subject.other	PAH emissions	en
dc.subject.other	Polymerization products	en
dc.subject.other	Sharp increase	en
dc.subject.other	Source material	en
dc.subject.other	Unregulated emissions	en
dc.subject.other	Automobiles	en
dc.subject.other	Carbonylation	en
dc.subject.other	Diesel fuels	en
dc.subject.other	Dynamometers	en
dc.subject.other	Esters	en
dc.subject.other	Sulfur	en
dc.subject.other	Synthetic fuels	en
dc.subject.other	Vehicles	en
dc.subject.other	Biodiesel	en
dc.subject.other	2 butanone	en
dc.subject.other	acetaldehyde	en
dc.subject.other	acetone	en
dc.subject.other	acrolein	en
dc.subject.other	benzaldehyde	en
dc.subject.other	biodiesel	en
dc.subject.other	butyraldehyde	en
dc.subject.other	carbonyl derivative	en
dc.subject.other	crotonaldehyde	en
dc.subject.other	formaldehyde	en
dc.subject.other	polycyclic aromatic hydrocarbon	en
dc.subject.other	propionaldehyde	en
dc.subject.other	sulfur	en
dc.subject.other	alternative fuel	en
dc.subject.other	automobile	en
dc.subject.other	carbon emission	en
dc.subject.other	carbonyl compound	en
dc.subject.other	PAH	en
dc.subject.other	traffic emission	en
dc.subject.other	unsaturated medium	en
dc.subject.other	air analysis	en
dc.subject.other	air sampling	en
dc.subject.other	article	en
dc.subject.other	controlled study	en
dc.subject.other	diesel engine	en
dc.subject.other	dynamometry	en
dc.subject.other	exhaust gas	en
dc.subject.other	oxidation	en
dc.subject.other	polymerization	en
dc.subject.other	priority journal	en
dc.subject.other	Air Pollutants	en
dc.subject.other	Aldehydes	en
dc.subject.other	Biofuels	en
dc.subject.other	Environmental Monitoring	en
dc.subject.other	Particle Size	en
dc.subject.other	Particulate Matter	en
dc.subject.other	Polycyclic Hydrocarbons, Aromatic	en
dc.subject.other	Vehicle Emissions	en
dc.title	Biodiesel emissions profile in modern diesel vehicles. Part 2: Effect of biodiesel origin on carbonyl, PAH, nitro-PAH and oxy-PAH emissions	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.scitotenv.2010.11.010	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.scitotenv.2010.11.010	en
heal.language	English	en
heal.publicationDate	2011	en
heal.abstract	In the present study, the effects of different biodiesel blends on the unregulated emissions of a Euro 4 compliant passenger car were examined. Two fresh and two oxidized biodiesel fuels of different source materials were blended with an ultra low sulphur automotive diesel fuel at proportions of 10, 20, and 30% v/v. Emission measurements were conducted on a chassis dynamometer with a constant volume sampling (CVS) technique, over the New European Driving Cycle (NEDC) and the Artemis driving cycles. The experimental results revealed that the addition of biodiesel led to important increases in most carbonyl compounds. Sharp increases were observed with the use of the oxidized biodiesel blends, especially those prepared from used frying oil methyl esters. Similar to carbonyl emissions, most PAH compounds increased with the addition of the oxidized biodiesel blends. It can be assumed that the presence of polymerization products and cyclic acids, along with the degree of unsaturation were the main factors that influenced carbonyl and PAH emissions profile. (C) 2010 Elsevier B.V. All rights reserved.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	Science of the Total Environment	en
dc.identifier.doi	10.1016/j.scitotenv.2010.11.010	en
dc.identifier.isi	ISI:000287109300010	en
dc.identifier.volume	409	en
dc.identifier.issue	4	en
dc.identifier.spage	738	en
dc.identifier.epage	747	en