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Thermal analysis of an enriched flame incinerator for aqueous residues

Author

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  • Lacava, Pedro Teixeira
  • Carvalho, João A.
  • Pimenta, Amilcar Porto
  • Ferreira, Marco Aurélio

Abstract

The use of oxygen to enrich the combustion air can be an attractive technique to increase capacity of an incinerator originally designed to operate with air. If incinerator parameters such as operation temperature, turbulence level and residence time are fixed for a certain fuel supply rate, it is possible to increase the residue consumption rate using enriched air. This paper presents the thermal analysis for operation with enriched air of an aqueous residue experimental incinerator. The auxiliary fuel was diesel oil. The theoretical results showed that there is a considerable increase in the incineration ratio up to approximately 50% of O2 in the oxidiser. The tendency was confirmed experimentally. Thermal analysis was demonstrated to be an important tool to predict possible incinerator capacity increase.

Suggested Citation

  • Lacava, Pedro Teixeira & Carvalho, João A. & Pimenta, Amilcar Porto & Ferreira, Marco Aurélio, 2006. "Thermal analysis of an enriched flame incinerator for aqueous residues," Energy, Elsevier, vol. 31(4), pages 528-545.
    • Handle: RePEc:eee:energy:v:31:y:2006:i:4:p:528-545
    DOI: 10.1016/j.energy.2005.04.003
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    Cited by:

    1. Lai, ZhiYi & Ma, XiaoQian & Tang, YuTing & Lin, Hai, 2011. "A study on municipal solid waste (MSW) combustion in N2/O2 and CO2/O2 atmosphere from the perspective of TGA," Energy, Elsevier, vol. 36(2), pages 819-824.
    2. Oliveira, Flávio A.D. & Carvalho, João A. & Sobrinho, Pedro M. & de Castro, André, 2014. "Analysis of oxy-fuel combustion as an alternative to combustion with air in metal reheating furnaces," Energy, Elsevier, vol. 78(C), pages 290-297.
    3. Bandeira Santos, Alex Álisson & Torres, Ednildo Andrade & de Paula Pereira, Pedro Afonso, 2011. "Experimental investigation of the natural gas confined flames using the OEC," Energy, Elsevier, vol. 36(3), pages 1527-1534.

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