Influence of oxidized biodiesel blends on regulated and unregulated emissions from a diesel passenger car

Karavalakis, G; Bakeas, E; Stournas, S

dc.contributor.author	Karavalakis, G	en
dc.contributor.author	Bakeas, E	en
dc.contributor.author	Stournas, S	en
dc.date.accessioned	2014-03-01T01:33:38Z
dc.date.available	2014-03-01T01:33:38Z
dc.date.issued	2010	en
dc.identifier.issn	0013-936X	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/20508
dc.subject.classification	Engineering, Environmental	en
dc.subject.classification	Environmental Sciences	en
dc.subject.other	[carbonyl	en
dc.subject.other	ARTEMIS	en
dc.subject.other	Biodiesel blends	en
dc.subject.other	Carcinogenic potency	en
dc.subject.other	Cyclic acids	en
dc.subject.other	Diesel oxidation catalyst	en
dc.subject.other	Diesel particles	en
dc.subject.other	Driving conditions	en
dc.subject.other	Driving cycle	en
dc.subject.other	Frying oil	en
dc.subject.other	Fuel types	en
dc.subject.other	New european driving cycles	en
dc.subject.other	PAH compounds	en
dc.subject.other	PAH emissions	en
dc.subject.other	Particulate matter emissions	en
dc.subject.other	Polymerization products	en
dc.subject.other	Potential health	en
dc.subject.other	Sharp increase	en
dc.subject.other	Similar pattern	en
dc.subject.other	Ultra-low sulfur diesel	en
dc.subject.other	Unregulated emissions	en
dc.subject.other	Aldehydes	en
dc.subject.other	Aromatic hydrocarbons	en
dc.subject.other	Automobiles	en
dc.subject.other	Biodiesel	en
dc.subject.other	Carbon dioxide	en
dc.subject.other	Carbon monoxide	en
dc.subject.other	Carbonylation	en
dc.subject.other	Fuels	en
dc.subject.other	Health risks	en
dc.subject.other	Nitric oxide	en
dc.subject.other	Nitrogen oxides	en
dc.subject.other	Passenger cars	en
dc.subject.other	Polycyclic aromatic hydrocarbons	en
dc.subject.other	Steel metallurgy	en
dc.subject.other	Sulfur	en
dc.subject.other	Particulate emissions	en
dc.subject.other	acetaldehyde	en
dc.subject.other	acrolein	en
dc.subject.other	biodiesel	en
dc.subject.other	carbon dioxide	en
dc.subject.other	carbon monoxide	en
dc.subject.other	carbonyl derivative	en
dc.subject.other	formaldehyde	en
dc.subject.other	fuel	en
dc.subject.other	nitrate	en
dc.subject.other	nitrogen oxide	en
dc.subject.other	polycyclic aromatic hydrocarbon	en
dc.subject.other	soyasapogenol A	en
dc.subject.other	sulfur	en
dc.subject.other	carbon dioxide	en
dc.subject.other	catalyst	en
dc.subject.other	diesel	en
dc.subject.other	fuel consumption	en
dc.subject.other	health risk	en
dc.subject.other	PAH	en
dc.subject.other	particulate matter	en
dc.subject.other	polymerization	en
dc.subject.other	traffic emission	en
dc.subject.other	air pollution	en
dc.subject.other	article	en
dc.subject.other	car	en
dc.subject.other	carcinogenicity	en
dc.subject.other	catalyst	en
dc.subject.other	energy consumption	en
dc.subject.other	exhaust gas	en
dc.subject.other	filter	en
dc.subject.other	health hazard	en
dc.subject.other	human	en
dc.subject.other	measurement	en
dc.subject.other	oxidation	en
dc.subject.other	particulate matter	en
dc.subject.other	polymerization	en
dc.subject.other	Air Pollutants	en
dc.subject.other	Biofuels	en
dc.subject.other	Carbon Dioxide	en
dc.subject.other	Carbon Monoxide	en
dc.subject.other	Environmental Monitoring	en
dc.subject.other	Environmental Pollution	en
dc.subject.other	Europe	en
dc.subject.other	Filtration	en
dc.subject.other	Gasoline	en
dc.subject.other	Hydrocarbons	en
dc.subject.other	Motor Vehicles	en
dc.subject.other	Nitrogen Oxides	en
dc.subject.other	Oxygen	en
dc.subject.other	Polycyclic Hydrocarbons, Aromatic	en
dc.subject.other	Vehicle Emissions	en
dc.title	Influence of oxidized biodiesel blends on regulated and unregulated emissions from a diesel passenger car	en
heal.type	journalArticle	en
heal.identifier.primary	10.1021/es100831j	en
heal.identifier.secondary	http://dx.doi.org/10.1021/es100831j	en
heal.language	English	en
heal.publicationDate	2010	en
heal.abstract	This paper investigates the effects of biodiesel blends on regulated and unregulated emissions from a Euro 4 diesel passenger car, fitted with a diesel oxidation catalyst and a diesel particle filter (DPF). Emission and fuel consumption measurements were conducted for the New European Driving Cycle (NEDC) and the Artemis driving cycles. Criteria pollutants, along with carbonyl, polycyclic aromatic hydrocarbon (PAH) and nitrate PAH and oxygenate PAH emissions, were measured and recorded. A soy-based biodiesel and an oxidized biodiesel, obtained from used frying oils, were blended with an ultra low sulfur diesel at proportions of 20, 30, and 50% by volume. The results showed that the DPF had the ability to significantly reduce particulate matter (PM) emissions over all driving conditions. Carbon monoxide (CO) and hydrocarbon (HC) emissions were also reduced with biodiesel; however, a notable increase in nitrogen oxide (NOx) emissions was observed with biodiesel blends. Carbon dioxide (CO2) emissions and fuel consumption followed similar patterns and increased with biodiesel. The influence of fuel type and properties was particularly noticeable on the unregulated pollutants. The use of the oxidized biodiesel blends led to significant increases in carbonyl emissions, especially in compounds which are associated with potential health risks such as formaldehyde, acetaldehyde, and acrolein. Sharp increases in most PAH compounds and especially those which are known for their toxic and carcinogenic potency were observed with the oxidized blends. The presence of polymerization products and cyclic acids were the main factors that influenced the PAH emissions profile. © 2010 American Chemical Society.	en
heal.publisher	AMER CHEMICAL SOC	en
heal.journalName	Environmental Science and Technology	en
dc.identifier.doi	10.1021/es100831j	en
dc.identifier.isi	ISI:000279304700076	en
dc.identifier.volume	44	en
dc.identifier.issue	13	en
dc.identifier.spage	5306	en
dc.identifier.epage	5312	en