Review of NOx reduction technologies in CI engines fuelled with oxygenated biomass fuels

E. Rajasekar, A. Murugesan, R. Subramanian and N. Nedunchezhian

Renewable and Sustainable Energy Reviews, 2010, vol. 14, issue 7, 2113-2121

Abstract: Oxygenated fuels like biodiesel and alcohols have the potential to provide a reliable and a cost effective alternative to India's increasing future energy demands. They have a prospective future since they are renewable and can be produced easily in India's rural areas. Due to rapid industrialization and the increased number of vehicles on the road, the energy needs of the country are increasing rapidly. Oxygenated fuels can substantially replace the large demand for diesel to generate power for the industries and to fuel diesel engines of the vehicles. In spite of the many advantages of using them, most of the researchers have reported higher NOx emissions, which is a deterrent to the market expansion of these fuels. The present program aims to review the NOx emissions from the CI engines fuelled with oxygenated fuels. To meet the stringent emission norms, the various NOx reduction technologies like use of additives, retarded fuel injection timing, biodiesel emulsion with water, and exhaust gas recirculation are reviewed. The results of the most effective and low cost technique of EGR in DI diesel engine fuelled with biodiesel-diesel blends and tri-compound oxygenated diesel fuel blends (ethanol-biodiesel-diesel fuel blends and methanol-biodiesel-diesel fuel blends) are presented.

Keywords: Oxygenated; fuels; Tri-compound; fuels; NOx; reduction; Retarded; timing; Biodiesel-water; emulsion; EGR (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (29)

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