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Commercial-scale demonstration of pollutant emission reduction and energy saving for industrial boilers by employing water/oil emulsified fuel


  • Chelemuge,
  • Namioka, Tomoaki
  • Yoshikawa, Kunio
  • Takeshita, Masanori
  • Fujiwara, Koichi


The water/oil emulsified fuel consists of base fuel oil and water doped with or without a trace content of surface active agents. In this study, the water/oil emulsified fuel was successfully produced without usage of any surface active agents. An experimental study has been implemented in an industrial steam boiler to investigate the combustion characteristics of this emulsified fuel by analyzing the exhaust gas emissions and the thermal efficiency of the boiler. The experiment demonstrated that the water/oil emulsified fuel is effective for NOx and soot emission suppression as well as thermal efficiency improvement. These effects were also demonstrated for the commercially operated water heating boiler.

Suggested Citation

  • Chelemuge, & Namioka, Tomoaki & Yoshikawa, Kunio & Takeshita, Masanori & Fujiwara, Koichi, 2012. "Commercial-scale demonstration of pollutant emission reduction and energy saving for industrial boilers by employing water/oil emulsified fuel," Applied Energy, Elsevier, vol. 93(C), pages 517-522.
  • Handle: RePEc:eee:appene:v:93:y:2012:i:c:p:517-522
    DOI: 10.1016/j.apenergy.2011.12.018

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    Cited by:

    1. Ahn, Jonghoon & Cho, Soolyeon & Chung, Dae Hun, 2017. "Analysis of energy and control efficiencies of fuzzy logic and artificial neural network technologies in the heating energy supply system responding to the changes of user demands," Applied Energy, Elsevier, vol. 190(C), pages 222-231.
    2. Park, Sangki & Woo, Seungchul & Kim, Hyungik & Lee, Kihyung, 2016. "The characteristic of spray using diesel water emulsified fuel in a diesel engine," Applied Energy, Elsevier, vol. 176(C), pages 209-220.
    3. repec:eee:energy:v:141:y:2017:i:c:p:2387-2396 is not listed on IDEAS
    4. Ogunkoya, Dolanimi & Li, Shuai & Rojas, Orlando J. & Fang, Tiegang, 2015. "Performance, combustion, and emissions in a diesel engine operated with fuel-in-water emulsions based on lignin," Applied Energy, Elsevier, vol. 154(C), pages 851-861.


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