Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14049
Title: Emissions characteristics of a diesel engine operating on biodiesel and biodiesel blended with ethanol and methanol
Authors: Zhu, L
Cheung, CS 
Zhang, WG
Huang, Z
Keywords: Biodiesel
Emission
Ethanol
Euro V diesel fuel
Methanol
Issue Date: 2010
Publisher: Elsevier
Source: Science of the total environment, 2010, v. 408, no. 4, p. 914-921 How to cite?
Journal: Science of the total environment 
Abstract: Euro V diesel fuel, pure biodiesel and biodiesel blended with 5%, 10% and 15% of ethanol or methanol were tested on a 4-cylinder naturally-aspirated direct-injection diesel engine. Experiments were conducted under five engine loads at a steady speed of 1800 r/min. The study aims to investigate the effects of the blended fuels on reducing NOx and particulate. On the whole, compared with Euro V diesel fuel, the blended fuels could lead to reduction of both NOx and PM of a diesel engine, with the biodiesel-methanol blends being more effective than the biodiesel-ethanol blends. The effectiveness of NOx and particulate reductions is more effective with increase of alcohol in the blends. With high percentage of alcohol in the blends, the HC, CO emissions could increase and the brake thermal efficiency might be slightly reduced but the use of 5% blends could reduce the HC and CO emissions as well. With the diesel oxidation catalyst (DOC), the HC, CO and particulate emissions can be further reduced.
URI: http://hdl.handle.net/10397/14049
ISSN: 0048-9697
EISSN: 1879-1026
DOI: 10.1016/j.scitotenv.2009.10.078
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