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Disposal of Wastewater from Mazout-Fired Boiler Plants by Burning Water–Mazout Emulsions

Author

Listed:
  • Sylwia Janta-Lipińska

    (Faculty of Civil Engineering, Environmental and Geodetic Science, Koszalin University of Technology, Śniadeckich 2, 75-453 Koszalin, Poland)

  • Alexander Shkarovskiy

    (Faculty of Civil Engineering, Environmental and Geodetic Science, Koszalin University of Technology, Śniadeckich 2, 75-453 Koszalin, Poland
    Faculty of Environmental Engineering and Municipal Services, Saint Petersburg State University of Architecture and Civil Engineering, 4 Vtoraya Krasnoarmeiskaya st., 190005 Saint Petersburg, Russia)

  • Łukasz Bartłomiej Chrobak

    (Faculty of Electronics and Computer Science, Koszalin University of Technology, Śniadeckich 2, 75-453 Koszalin, Poland)

Abstract

Liquid fuel can be an alternative to solid fuel in non-gasified locations. The mazout for municipal-energy boiler plants is much cheaper than fuel oil. However, this relates to the problem of wastewater disposal from such a boiler plant. A proprietary system for the disposal of bottom water and other sewage-containing mazout has been developed. The solution depends on the proper preparation and burning of a water–mazout emulsion (WME). The emulsion is prepared in a specially designed and developed dosing ejector. By burning the emulsion using the developed system, an efficiency increase of 2–3% was achieved for boilers operating on the mazout fuel. Such a result was achieved due to a reduction in the excess air factor. Moreover, emissions of nitrogen oxides and carbon monoxide were reduced by 30–35% and 70–80%, respectively. In addition due to cleaning the heat-exchange surfaces obtained when working on the WME, the amount of time for productive and more efficient use of the equipment has increased.

Suggested Citation

  • Sylwia Janta-Lipińska & Alexander Shkarovskiy & Łukasz Bartłomiej Chrobak, 2022. "Disposal of Wastewater from Mazout-Fired Boiler Plants by Burning Water–Mazout Emulsions," Energies, MDPI, vol. 15(15), pages 1-13, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:15:p:5554-:d:876709
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