Effect of hydrogen on butanol–biodiesel blends in compression ignition engines

E. Sukjit, Jose Martin Herreros, K. D. Dearn, A. Tsolakis, K. Theinnoi

Research output: Contribution to journal › Article

34 Citations (Scopus)

Abstract

Research suggests that there is a dramatic reduction in CO and particulate matter (PM) emissions when butanol is blended with biodiesel derived from rapeseed oil (RME), but a small increase in THC emissions. The addition of hydrogen as a combustion enhancer can be used to counteract the increase in THC emissions seen with the butanol fuel blends and further reduce CO and PM emissions. The emission benefits with hydrogen addition were shown to be further improved for RME-butanol fuel blends. The penalty for using hydrogen is an increase in NOx emissions due to the increase in NO2 formation during combustion, but this is expected to have significant benefits in the function of aftertreatment systems. In this study, it is shown that the increase in engine-out NOx emissions can be effectively controlled through exhaust gas recirculation (EGR) without an excessive PM penalty thanks to the low PM concentration in the EGR (with an impeding PM recirculation penalty).
Original languageEnglish
Pages (from-to)1624–1635
JournalInternational Journal of Hydrogen Energy
Volume38
Issue number3
DOIs
Publication statusPublished - 9 Nov 2012

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Butenes
ignition
Ignition
engines
Exhaust gas recirculation
Engines
particulates
Hydrogen
hydrogen
penalties
thermohaline circulation
Biodiesel
exhaust gases
oils

Bibliographical note

The full text is currently unavailable on the repository.

Keywords

  • CI engines
  • Biodiesel
  • Butanol
  • Hydrogen
  • Emissions

Cite this

Effect of hydrogen on butanol–biodiesel blends in compression ignition engines. / Sukjit, E.; Herreros, Jose Martin; Dearn, K. D.; Tsolakis, A.; Theinnoi, K.

In: International Journal of Hydrogen Energy, Vol. 38, No. 3, 09.11.2012, p. 1624–1635.

Research output: Contribution to journal › Article

Sukjit, E, Herreros, JM, Dearn, KD, Tsolakis, A & Theinnoi, K 2012, 'Effect of hydrogen on butanol–biodiesel blends in compression ignition engines' International Journal of Hydrogen Energy, vol. 38, no. 3, pp. 1624–1635. https://doi.org/10.1016/j.ijhydene.2012.11.061
Sukjit E, Herreros JM, Dearn KD, Tsolakis A, Theinnoi K. Effect of hydrogen on butanol–biodiesel blends in compression ignition engines. International Journal of Hydrogen Energy. 2012 Nov 9;38(3):1624–1635. https://doi.org/10.1016/j.ijhydene.2012.11.061
Sukjit, E. ; Herreros, Jose Martin ; Dearn, K. D. ; Tsolakis, A. ; Theinnoi, K. / Effect of hydrogen on butanol–biodiesel blends in compression ignition engines. In: International Journal of Hydrogen Energy. 2012 ; Vol. 38, No. 3. pp. 1624–1635.
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AU - Theinnoi, K.

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AB - Research suggests that there is a dramatic reduction in CO and particulate matter (PM) emissions when butanol is blended with biodiesel derived from rapeseed oil (RME), but a small increase in THC emissions. The addition of hydrogen as a combustion enhancer can be used to counteract the increase in THC emissions seen with the butanol fuel blends and further reduce CO and PM emissions. The emission benefits with hydrogen addition were shown to be further improved for RME-butanol fuel blends. The penalty for using hydrogen is an increase in NOx emissions due to the increase in NO2 formation during combustion, but this is expected to have significant benefits in the function of aftertreatment systems. In this study, it is shown that the increase in engine-out NOx emissions can be effectively controlled through exhaust gas recirculation (EGR) without an excessive PM penalty thanks to the low PM concentration in the EGR (with an impeding PM recirculation penalty).

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KW - Butanol

KW - Hydrogen

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