Document Detail


The impact of using biodiesel/marine gas oil blends on exhaust emissions from a stationary diesel engine.
MedLine Citation:
PMID:  18988104     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this work was to investigate the impact of marine gas oil (MGO)/biodiesel blends on the exhaust emissions and fuel consumption in a single cylinder, stationary, diesel engine. Three different origins of biodiesel were used as the blending feedstock with the reference MGO, at proportions of 5 and 10% by volume. Methyl esters were examined according to the automotive FAME standard EN 14214. The baseline MGO and biodiesel blends were examined according to ISO 8217:2005 specifications for the DMA category. Independently of the biodiesel used, a decrease of PM, HC, CO and CO(2) emissions was observed. Emissions of NO(x) were also lower with respect to MGO. This reduction in NO(x) may be attributed to some physicochemical properties of the fuels applied, such as the higher cetane number and the lower volatility of methyl esters. Reductions in PM for biodiesel blends were lower in the exhaust than those of the reference fuel which was attributed to the oxygen content and the near absence of sulphur and aromatics compounds in biodiesel. However, a slight increase in fuel consumption was observed for the biodiesel blends that may be tolerated due to the exhaust emissions benefits. Brake thermal efficiency was also determined. Unregulated emissions were characterized by determining the soluble organic fraction content of the particulate matter.
Authors:
G Karavalakis; E Tzirakis; L Mattheou; S Stournas; F Zannikos; D Karonis
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering     Volume:  43     ISSN:  1093-4529     ISO Abbreviation:  J Environ Sci Health A Tox Hazard Subst Environ Eng     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-11-06     Completed Date:  2009-01-23     Revised Date:  2009-08-14    
Medline Journal Info:
Nlm Unique ID:  9812551     Medline TA:  J Environ Sci Health A Tox Hazard Subst Environ Eng     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1663-72     Citation Subset:  IM    
Affiliation:
Laboratory of Fuels Technology and Lubricants, School of Chemical Engineering, National Technical University of Athens (NTUA), Athens, Greece. gkaraval@mail.ntua.gr
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MeSH Terms
Descriptor/Qualifier:
Air Pollutants / analysis
Bioelectric Energy Sources*
Vehicle Emissions*
Chemical
Reg. No./Substance:
0/Air Pollutants; 0/Vehicle Emissions

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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