• Milica Mladenović, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Dragoljub Dakić, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Stevan Đ Nemoda, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Srđan Belošević, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Rastko Mladenović, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Aleksandar Erić, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Branislav Repić, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia

Investigation of fluidized bed combustion of used oils and greases on a semi-industrial facility

  • Metallurgical industries generate a great amount of waste lubricants (from the productive process of cold and warm rolling mills), the deposition of which represents a problem from the environmental point of view. Since the heating value of these matters is substantially higher or on the same level as the heating value of conventional fossil fuels, the optimal solution of this problem, from the energy efficiency and environmental points of view, is their combustion and disintegration to harmless forms. However, non-uniform composition, high contents of impurities (water, mineral matter), and especially high density and viscosity, makes these substances very difficult to be incinerated in common liquid fuel combustion facilities (furnaces, boilers), therefore these facilities must be designed particularly for that purpose. The solution is thermal disintegration of waste lubricants in the fluidized bed, which enables matters of quite different origin and non-uniform composition to be incinerated, with de creasing the emission of pollutants and a high thermal inertia of the facility. In this paper, the results of the analysis of examined fuel sample are shown and a description of the facility and the experimental procedure is given, followed by a detailed survey of experimental results, based on which a technological scheme of the facility for environmentally friendly removal of used oils has been proposed.
  • Keywords
    used lubrication oil, fluidized bed, heavy liquid fuel
  • Pages
    147 - 160
  • UDC
    662.753-912
  • BIBLID
    0350-218X, 34 (2008), 2-3, 147-160
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