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Prospective review on the application of biofuel 2,5-dimethylfuran to diesel engine

Globally, lignocellulosic biomass is known as the largest renewable energy source and it is thus received much attention from the scientist community for the synthesis progress of bio- based fuels and chemicals. Among the biomass- originated bio-compounds, 2, 5-dimethylfuran (DMF) was considered as the potential alternative fuel possessing similar physicochemical properties to fossil fuels and it could be produced under commercial scale through the high-efficiency catalyst reactions. Therefore, knowledge and understanding associated with the production pathway and the use of DMF for diesel engines should be completely provided to have a comprehensive sight into the developing progress of this green biofuel. This review paper aimed to bring a thorough analysis of the catalyst-based synthesis approach of DMF from lignocellulosic biomass. More importantly, the performance and emission characteristics diesel engine fueled with DMF was critically evaluated and completely compared to diesel fuel. In general, engine performance for the blend of 10 %v/v of DMF with diesel fuel was found to be similar to that of diesel fuel. Engine-out emissions of PM, NOx, CO, and HC were significantly improved although increased soot tendency due to containing aromatic ring content of DMF was also indicated. Achieved results showed that DMF could become a promising alternative fuel for diesel engines although further investigations into the economic aspects, the optimization of catalyst reactions and synthesis technologies, and the assessment of the impacts of the production process on the environment should be carried out.

2, 5-dimethylfuran ; diesel engine ; production process ; combustion mechanism ; engine performance ; emission characteristic

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