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Combustion of Corn Stover Bales in a Small 146-kW Boiler

Author

Listed:
  • René Morissette

    (Agriculture and Agri-Food Canada, Soils and Crops Research and Development Centre, 2560 Hochelaga Blvd, Quebec City, QC G1V 2J3, Canada)

  • Philippe Savoie

    (Agriculture and Agri-Food Canada, Soils and Crops Research and Development Centre, 2560 Hochelaga Blvd, Quebec City, QC G1V 2J3, Canada)

  • Joey Villeneuve

    (Agriculture and Agri-Food Canada, Soils and Crops Research and Development Centre, 2560 Hochelaga Blvd, Quebec City, QC G1V 2J3, Canada)

Abstract

Spring harvested corn stover was used for direct combustion in a 146 kW dual chamber boiler designed for wood logs. Stover had a very low moisture content (6.83 ± 0.17%), a gross calorific value (GCV) of 18.57 MJ/kg of dry matter (±0.32 MJ/kg DM) and an ash content of 5.88% (±1.15%). Small stover bales (8.83 ± 0.90 kg) were placed manually in the upper combustion chamber at a rate of 10.5 to 12.8 kg/h over a 24-h period, with three replications, and compared to a control wood combustion trial (12.1 kg/h during 24 h). The overall heat transfer efficiency for stover was lower than for wood (57% vs . 77%). Stover bales produced on average 7.5% ash which included about 2% of unburned residues while wood produced 1.7% ash. CO gas emissions averaged 1324 mg/m³ for stover (118 mg/m³ for wood). The corn stover showed a good calorific potential, but it would have to be densified and the boiler should be modified to improve airflow, completeness of combustion and handling of the large amount of ash formed.

Suggested Citation

  • René Morissette & Philippe Savoie & Joey Villeneuve, 2011. "Combustion of Corn Stover Bales in a Small 146-kW Boiler," Energies, MDPI, vol. 4(7), pages 1-10, July.
    • Handle: RePEc:gam:jeners:v:4:y:2011:i:7:p:1102-1111:d:13275
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    Citations

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    Cited by:

    1. Jarosław Gocławski & Ewa Korzeniewska & Joanna Sekulska-Nalewajko & Paweł Kiełbasa & Tomasz Dróżdż, 2022. "Method of Biomass Discrimination for Fast Assessment of Calorific Value," Energies, MDPI, vol. 15(7), pages 1-23, March.
    2. Pierre-Luc Lizotte & Philippe Savoie & Alain De Champlain, 2015. "Ash Content and Calorific Energy of Corn Stover Components in Eastern Canada," Energies, MDPI, vol. 8(6), pages 1-12, May.
    3. Baral, Nawa Raj & Wituszynski, David M. & Martin, Jay F. & Shah, Ajay, 2016. "Sustainability assessment of cellulosic biorefinery stillage utilization methods using emergy analysis," Energy, Elsevier, vol. 109(C), pages 13-28.
    4. María E. Arce & Ángeles Saavedra & José L. Míguez & Enrique Granada & Antón Cacabelos, 2013. "Biomass Fuel and Combustion Conditions Selection in a Fixed Bed Combustor," Energies, MDPI, vol. 6(11), pages 1-17, November.
    5. René Morissette & Philippe Savoie & Joey Villeneuve, 2013. "Corn Stover and Wheat Straw Combustion in a 176-kW Boiler Adapted for Round Bales," Energies, MDPI, vol. 6(11), pages 1-15, November.

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