10.1007/s40095-022-00529-x

NO and NO2 emissions of waste tire pyrolysis oil (TPO) blended with diesel in a flameless combustor

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  • Raul G. Chumpitaz1,
  • Jean A. Barbosa*2,
  • José C. Andrade2,
  • Cláudia G. Azevedo3,
  • Ricardo A. Andrade2,
  • Christian J. R. Coronado1,
  1. Mechanical Engineering Institute–IEM, Federal University of Itajubá–UNIFEI, Itajubá, MG, CEP 37500903, BR
  2. Combustion and Propulsion Laboratory, National Space Research Institute, Cachoeira Paulista, SP, CEP 12630000, BR
  3. São Paulo State University–UNESP, Campus of Rosana, Rosana, SP, CEP 19274000, BR

Published in Issue 2022-09-20

How to Cite

Chumpitaz, R. G., Barbosa, J. A., Andrade, J. C., Azevedo, C. G., Andrade, R. A., & Coronado, C. J. R. (2022). NO and NO2 emissions of waste tire pyrolysis oil (TPO) blended with diesel in a flameless combustor. International Journal of Energy and Environmental Engineering, 14(3 (September 2023). https://doi.org/10.1007/s40095-022-00529-x
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Abstract

Abstract Combustion systems can use tire pyrolysis oil (TPO) due to its high energy content. The amount of nitrogen and sulfur present in the TPO should result in NOx and SO 2 emissions when combustion occurs. A flameless combustion regime can reduce pollutant emissions, mainly NOx, with greater thermal efficiency. This work aims to analyze the NO and NO 2 emission in different diesel fuel mixtures with TPO, 5% (TPO5), and 10% (TPO10) by mass, in a flameless regime. A combustor was used operating with a maximum heat input of 13 kW and an effervescent injector promoting an average Sauter diameter of 33.89 ± 3.77 µm. The uniform temperature profile within the combustor characterizes the flameless combustion regime that was reached after 50 min for diesel and after 40 min for TPO5 and TPO10 from the ignition. TPO5 and TPO10 have similar NO emissions in flameless combustion. The NO 2 emission increases with the TPO content in the mixture.

Keywords

  • Pyrolysis oil,
  • Waste tires,
  • Diesel,
  • Flameless,
  • Emissions

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