Influence of Adding Low Concentration of Oxygenates in Mineral Diesel Oil and Biodiesel on the Concentration of NO, NO 2 and Particulate Matter in the Exhaust Gas of a One-Cylinder Diesel Generator

Rafael R. Maes, Geert Potters, Erik Fransen, Rowan Van Schaeren and Silvia Lenaerts
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Rafael R. Maes: Antwerp Maritime Academy, Noordkasteel Oost 6, 2030 Antwerp, Belgium
Geert Potters: Antwerp Maritime Academy, Noordkasteel Oost 6, 2030 Antwerp, Belgium
Erik Fransen: STATUA Center for Statistics, University of Antwerp, 2610 Antwerp, Belgium
Rowan Van Schaeren: Antwerp Maritime Academy, Noordkasteel Oost 6, 2030 Antwerp, Belgium
Silvia Lenaerts: Department of Bioscience Engineering, University of Antwerp, 2020 Antwerp, Belgium

IJERPH, 2022, vol. 19, issue 13, 1-18

Abstract: Air quality currently poses a major risk to human health worldwide. Transportation is one of the principal contributors to air pollution due to the quality of exhaust gases. For example, the widely used diesel fuel is a significant source of nitrogen oxides (NOx) and particulate matter (PM). To reduce the content NOx and PM, different oxygenated compounds were mixed into a mineral diesel available at the pump, and their effect on the composition of exhaust gas emissions was measured using a one-cylinder diesel generator. In this setup, adding methanol gave the best relative results. The addition of 2000 ppm of methanol decreased the content of NO by 56%, 2000 ppm of isopropanol decreased NO 2 by 50%, and 2000 ppm ethanol decreased PM by 63%. An interesting question is whether it is possible to reduce the impact of hazardous components in the exhaust gas even more by adding oxygenates to biodiesels. In this article, alcohol is added to biodiesel in order to establish the impact on PM and NOx concentrations in the exhaust gases. Adding methanol, ethanol, and isopropanol at concentrations of 2000 ppm and 4000 ppm did not improve NOx emissions. The best results were using pure RME for a low NO content, pure diesel for a low NO 2 content, and for PM there were no statistically significant differences.

Keywords: oxygenates; diesel; biodiesel; NOx; particulate matter (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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