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Effect of naphthalene addition to ethanol in distributed combustion

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  • Feser, Joseph S.
  • Bassioni, Ghada
  • Gupta, Ashwani K.

Abstract

Naphthalene as a fuel additive to ethanol was examined in a swirl combustor with the objective to obtain efficient burning and ultra-low emissions using different heating value fuels. Naphthalene is a polyaromatic compound often regarded as a waste fuel that results in high levels of pollutants emission. The effectiveness of naphthalene as a fuel additive to ethanol on NO and CO emissions and stability was determined. The naphthalene concentration was varied from 0 to 0.4 mol/L in ethanol, corresponding to a heating value increase of 8.8% on a volumetric basis (or 5.7% on mass basis). Emissions data were reported for Colorless Distributed Combustion (CDC) using N2/CO2 dilution, at equivalence ratios (Φ) of 0.9 and 0.7. The data under normal fuel–air combustion conditions also reported, clearly showing the benefits of CDC. NO and CO emission below 1 and 6 ppm, respectively, were achieved under CDC conditions for each of the naphthalene-ethanol fuels examined. The results at both the equivalence ratios showed lower NO emission with increase in naphthalene concentration, which provided higher heating value fuel mixture. The CO emission was also low and remained negligibly unchanged with change in naphthalene concentration and equivalence ratio. The results show the use of naphthalene addition to ethanol for increased heating value fuel with ultra-low emissions and higher stability under distributed combustion conditions.

Suggested Citation

  • Feser, Joseph S. & Bassioni, Ghada & Gupta, Ashwani K., 2018. "Effect of naphthalene addition to ethanol in distributed combustion," Applied Energy, Elsevier, vol. 216(C), pages 1-7.
    • Handle: RePEc:eee:appene:v:216:y:2018:i:c:p:1-7
    DOI: 10.1016/j.apenergy.2018.02.090
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    References listed on IDEAS

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    1. Khalil, Ahmed E.E. & Gupta, Ashwani K., 2015. "Thermal field investigation under distributed combustion conditions," Applied Energy, Elsevier, vol. 160(C), pages 477-488.
    2. Arghode, Vaibhav K. & Gupta, Ashwani K., 2010. "Effect of flow field for colorless distributed combustion (CDC) for gas turbine combustion," Applied Energy, Elsevier, vol. 87(5), pages 1631-1640, May.
    3. Khalil, Ahmed E.E. & Gupta, Ashwani K., 2011. "Swirling distributed combustion for clean energy conversion in gas turbine applications," Applied Energy, Elsevier, vol. 88(11), pages 3685-3693.
    4. Khalil, Ahmed E.E. & Gupta, Ashwani K., 2018. "Fostering distributed combustion in a swirl burner using prevaporized liquid fuels," Applied Energy, Elsevier, vol. 211(C), pages 513-522.
    5. Khalil, Ahmed E.E. & Gupta, Ashwani K., 2015. "Internal entrainment effects on high intensity distributed combustion using non-intrusive diagnostics," Applied Energy, Elsevier, vol. 160(C), pages 467-476.
    6. Khalil, Ahmed E.E. & Gupta, Ashwani K., 2015. "Impact of internal entrainment on high intensity distributed combustion," Applied Energy, Elsevier, vol. 156(C), pages 241-250.
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    Cited by:

    1. Weber, Roman & Gupta, Ashwani K. & Mochida, Susumu, 2020. "High temperature air combustion (HiTAC): How it all started for applications in industrial furnaces and future prospects," Applied Energy, Elsevier, vol. 278(C).

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