Correlation between Apparent Activation Energy and NO x Emission of Renewable Diesel from Sugar Cane, Biodiesel, Fossil Diesel and their Blends

Paper #:
  • 2013-36-0249

Published:
  • 2013-10-07
DOI:
  • 10.4271/2013-36-0249
Citation:
Conconi, C., Machado, A., Barros, J., Pereira, B. et al., "Correlation between Apparent Activation Energy and NOx Emission of Renewable Diesel from Sugar Cane, Biodiesel, Fossil Diesel and their Blends," SAE Technical Paper 2013-36-0249, 2013, https://doi.org/10.4271/2013-36-0249.
Pages:
8
Abstract:
Biofuels and their blends with fossil fuel are important energy resources, which production and application have been largely increased internationally. This study focus on the development of a correlation between apparent activation energy (Ea) and NOx emission of the thermal decomposition of three pure fuels: farnasane (renewable diesel from sugar cane), biodiesel and fossil diesel and their blends. Apparent Activation energy was determined by using thermogravimetry and Model-Free Kinetics. NOx emission was obtained from the European Stationary Cycle (ESC) with OM 926LA CONAMA P7/Euro 5 engine. Results showed that there is a linear correlation between apparent activation energy and NOx emission with R2 of 0,9667 considering pure fuels and their blends which is given as: NOx = 2,2514Ea - 96,309. The average absolute error of this correlation is 2.96% with respect to the measured NOx value. The main advantage of this correlation is its capability to predict NOx emission when either a new pure fuel or a blend of fuels is proposed to use in enginees.
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