Testing the design of technical solutions for liquid hydrocarbon wastes fire salvaging

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2 Citations (Scopus)


The relevance of the work is caused by the need to develop the environmentally friendly heat-generating devices for salvaging liquid technological wastes. This type of wastes contains large amounts of pollutants, harming to environment even when stored in specially engineered landfills. The magnitude of the problem is obvious, because in the most environmentally-advanced countries the proportion of the recycled wastes does not exceed 60 %, resulting in accumulation of wastes in large amounts. The main aim of the research is to optimize the constructive implementation of technical solutions for salvaging liquid hydrocarbon wastes. The methods used in the research. Using the software package «Ansys Multiphysics» the authors have simulated the combustion front at various flow conditions and measured thoroughly pressure profiles, reaction rate, temperature and components concentrations in the combustion zone. The results of the investigation shown that the proposed technical solution has a number of features. The high aerodynamic resistance of the porous filler causes a prevalence of the diffusion combustion. The thermal inertia of the burning core makes power control difficult and takes time for warming up the device and entering the autothermal mode. The uniform heat dissipation in the combustion chamber enables a useful heat removal using the heating surface (water jacket). The low temperatures in the reactor are the reduction factor for the emissions of nitrogen oxides and other harmful substances during the utilization of liquid hydrocarbon wastes. A low thermal conductivity of the filler particles forming the thermally inertial core causes the intensive heat exchange of a fuel-air mixture with the porous medium. Thus, the temperature distribution becomes uniform in volume, and the reaction zone fills a large part of the combustion chamber. However, the prevalence of the diffusive combustion requires a large air excess and long cocurrent trajectories of fuel and oxidant flows in order to eliminate the unburned carbon.

Original languageEnglish
Pages (from-to)49-56
Number of pages8
JournalBulletin of the Tomsk Polytechnic University, Geo Assets Engineering
Issue number9
Publication statusPublished - 2016


  • Carbon beads
  • Fire salvaging
  • Heat-generating unit using liquid fuel
  • Liquid hydrocarbon wastes
  • Porous filler

ASJC Scopus subject areas

  • Economic Geology
  • Geotechnical Engineering and Engineering Geology
  • Fuel Technology
  • Management, Monitoring, Policy and Law
  • Waste Management and Disposal
  • Materials Science (miscellaneous)

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