Assessment of energy performance and air pollutant emissions in a diesel engine generator fueled with water-containing ethanol–biodiesel–diesel blend of fuels

Wen-Jhy Lee, Yi-Cheng Liu, Francis Kimani Mwangi, Wei-Hsin Chen, Sheng-Lun Lin, Yasuhiro Fukushima, Chao-Ning Liao and Lin-Chi Wang

Energy, 2011, vol. 36, issue 9, 5591-5599

Abstract: Biomass based oxygenated fuels have been identified as possible replacement of fossil fuel due to pollutant emission reduction and decrease in over-reliance on fossil fuel energy. In this study, 4v% water-containing ethanol was mixed with (65–90%) diesel using (5–30%) biodiesel (BD) and 1v% butanol as stabilizer and co-solvent respectively. The fuels were tested against those of biodiesel–diesel fuel blends to investigate the effect of addition of water-containing ethanol for their energy efficiencies and pollutant emissions in a diesel-fueled engine generator. Experimental results indicated that the fuel blend mix containing 4v% of water-containing ethanol, 1v% butanol and 5–30v% of biodiesel yielded stable blends after 30 days standing. BD1041 blend of fuel, which composed of 10v% biodiesel, 4v% of water-containing ethanol and 1v% butanol demonstrated −0.45 to 1.6% increase in brake-specific fuel consumption (BSFC, mLkW−1h−1) as compared to conventional diesel. The better engine performance of BD1041 was as a result of complete combustion, and lower reaction temperature based on the water cooling effect, which reduced emissions to 2.8–6.0% for NOx, 12.6–23.7% particulate matter (PM), 20.4–23.8% total polycyclic aromatic hydrocarbons (PAHs), and 30.8–42.9% total BaPeq between idle mode and 3.2kW power output of the diesel engine generator. The study indicated that blending diesel with water-containing ethanol could achieve the goal of more green sustainability.

Keywords: PAHs; Butanol; Ethanol; Diesel; NOx; Biodiesel (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (28)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:36:y:2011:i:9:p:5591-5599

DOI: 10.1016/j.energy.2011.07.012

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