Emissions characteristics of a diesel engine operating on biodiesel and biodiesel blended with ethanol and methanol

The Science of the Total Environment
Lei ZhuZhen Huang

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 NO(x) and particulate. On the whole, compared with Euro V diesel fuel, the blended fuels could lead to reduction of both NO(x) and PM of a diesel engine, with the biodiesel-methanol blends being more effective than the biodiesel-ethanol blends. The effectiveness of NO(x) 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.

References

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Citations

Jul 26, 2014·The Annals of Occupational Hygiene·Aleksandar D BugarskiTroy Terrillion
Feb 11, 2014·Environmental Science and Pollution Research International·Yacine Rezgui, Miloud Guemini
Jul 7, 2015·Journal of Occupational and Environmental Medicine·Aaron A MehusJefferey L Burgess
Feb 28, 2014·The Science of the Total Environment·Xue Li, Edmund Mupondwa
Jul 12, 2016·Environmental Pollution·Phan Quang ThangNorimichi Takenaka
May 23, 2019·Environmental Science and Pollution Research International·Xinling LiZhen Huang
Jan 27, 2019·Environmental Science and Pollution Research International·Pijakala DineshaMarc A Rosen
Feb 24, 2021·Environmental Science and Pollution Research International·Prabhu Kishore Nutakki, Santhosh Kumar Gugulothu

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