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Analysis of vegetable oil mixture combustion in a conventional 50 KW thermal energy installation

Author

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  • San José, J.
  • Sanz-Tejedor, M.A.
  • Arroyo, Y.
  • Stoychev, P.

Abstract

This work presents the combustion results of a vegetable oils blend in a low-pressure auxiliary air fluid pulverisation burner (o emulsion burner). This blend was prepared from soy and sunflower refined vegetable oils (54.4%) and sunflower and rapeseed crude vegetable oils (45.4%). The influence of varying the fuel flow rate, the secondary airflow rate as well as the fuel preheating temperature on combustion, performance and pollutant emissions was studied. Additionally, a comparison between the combustion results obtained from this mixture of vegetable oils and those previously obtained in combustion for pure vegetable oils was also carried out. For all of the conditions tested, the vegetable oil mixture combustion performance exceeded 77% and NOx emissions were extremely low (<60 ppm). In the established optimal operating conditions: un-preheated vegetable oil and Amid airflow rate, CO emissions were virtually negligible (5–17 ppm), regardless of the fuel flow used. The pollutant emissions and the combustion performance of the vegetable oils blend are comparable to those obtained in the combustion of refined soybean, sunflower and rapeseed oils, all of them with a high percentage of unsaturated fatty acids (mainly oleic and linoleic).

Suggested Citation

  • San José, J. & Sanz-Tejedor, M.A. & Arroyo, Y. & Stoychev, P., 2021. "Analysis of vegetable oil mixture combustion in a conventional 50 KW thermal energy installation," Renewable Energy, Elsevier, vol. 164(C), pages 1133-1142.
    • Handle: RePEc:eee:renene:v:164:y:2021:i:c:p:1133-1142
    DOI: 10.1016/j.renene.2020.10.025
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    References listed on IDEAS

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    1. Kang, Sae Byul & Kim, Jong Jin & Im, Yong Hoon, 2013. "An experimental investigation of a direct burning of crude Jatropha oil (CJO) and pitch in a commercial boiler system," Renewable Energy, Elsevier, vol. 54(C), pages 8-12.
    2. Julio San José & Yolanda Arroyo & María Ascensión Sanz-Tejedor, 2019. "Descriptive Statistical Analysis of Vegetable Oil Combustion in a Commercial Burner to Establish Optimal Operating Conditions," Energies, MDPI, vol. 12(12), pages 1-11, June.
    3. Hashimoto, Nozomu & Nishida, Hiroyuki & Kimoto, Masayoshi & Tainaka, Kazuki & Ikeda, Atsushi & Umemoto, Satoshi, 2018. "Effects of Jatropha oil blending with C-heavy oil on soot emissions and heat absorption balance characteristics for boiler combustion," Renewable Energy, Elsevier, vol. 126(C), pages 924-932.
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    Cited by:

    1. Vikas Sharma & Abul K. Hossain & Ganesh Duraisamy, 2021. "Experimental Investigation of Neat Biodiesels’ Saturation Level on Combustion and Emission Characteristics in a CI Engine," Energies, MDPI, vol. 14(16), pages 1-18, August.

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