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Energies 2013, 6(11), 5760-5774; doi:10.3390/en6115760
Article

Corn Stover and Wheat Straw Combustion in a 176-kW Boiler Adapted for Round Bales

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Received: 7 September 2013; in revised form: 19 October 2013 / Accepted: 23 October 2013 / Published: 4 November 2013
(This article belongs to the Special Issue Biomass and Biofuels 2013)
Download PDF [417 KB, uploaded 4 November 2013]
Abstract: Combustion trials were conducted with corn stover (CS) and wheat straw (WS) round bales in a 176-kW boiler (model Farm 2000). Hot water (80 °C) stored in a 30,000-L water tank was transferred to a turkey barn through a plate exchanger. Gross calorific value measured in the laboratory was 17.0 and 18.9 MJ/kg DM (dry matter) for CS and WS, respectively. Twelve bales of CS (1974 kg DM total, moisture content of 13.6%) were burned over a 52-h period and produced 9.2% ash. Average emissions of CO, NOx and SO2 were 2725, 9.8 and 2.1 mg/m3, respectively. Thermal efficiency was 40.8%. For WS, six bales (940 kg DM total, MC of 15%) were burned over a 28-h period and produced 2.6% ash. Average emissions of CO, NOx and SO2 were 2210, 40.4 and 3.7 mg/m3, respectively. Thermal efficiency was 68.0%. A validation combustion trial performed a year later with 90 CS bales confirmed good heating performance and the potential to lower ash content (6.2% average).
Keywords: corn stover; wheat straw; round bale; combustion; flue gas emission; calorific value; ash content; energy balance corn stover; wheat straw; round bale; combustion; flue gas emission; calorific value; ash content; energy balance
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Morissette, R.; Savoie, P.; Villeneuve, J. Corn Stover and Wheat Straw Combustion in a 176-kW Boiler Adapted for Round Bales. Energies 2013, 6, 5760-5774.

AMA Style

Morissette R, Savoie P, Villeneuve J. Corn Stover and Wheat Straw Combustion in a 176-kW Boiler Adapted for Round Bales. Energies. 2013; 6(11):5760-5774.

Chicago/Turabian Style

Morissette, René; Savoie, Philippe; Villeneuve, Joey. 2013. "Corn Stover and Wheat Straw Combustion in a 176-kW Boiler Adapted for Round Bales." Energies 6, no. 11: 5760-5774.


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