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Selective Use of Corn Crop Residues: Energy Viability

1
Department of Mechanical, Energy and Materials Engineering, Industrial Engineering School, University of Extremadura, Av. Elvas s/n, 06006 Badajoz, Spain
2
Scientific and Technological Research Centre of Extremadura (CICYTEX), C/Pamplona 64, 06800 Mérida, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Francisco Heras
Appl. Sci. 2021, 11(7), 3284; https://doi.org/10.3390/app11073284
Received: 17 March 2021 / Revised: 30 March 2021 / Accepted: 31 March 2021 / Published: 6 April 2021
(This article belongs to the Special Issue Biofuels from Waste Biomass)
The corn crop is one of the most important crops worldwide. However, the management of the residues generated is not efficient enough, which diminishes the competitiveness of this crop. An interesting option for the valorization of these wastes is their thermal use. In order to make the management of this residue as much efficient as possible, it is vital to know the different processes related to a corn harvest, and try to adapt the use of this waste depending on its characteristics. Thus, in this work, and on the basis of a conventional corn harvest, a differentiated analysis of the residue generated was carried out, including its characterization and assessing its behavior during pyrolysis and combustion. The results pointed out the importance of collecting residue immediately after its generation and avoiding its contact with the soil as this factor tends to worsen its thermal properties and ash content. Concerning the selective collection, it is highly advisable if the subsequent thermal use is going to be a pyrolytic process. In the case of combustion, even though the samples that contain corn stalk showed better combustion properties, this improvement did not outweigh the adverse effects related to the increase in ash content, especially for its pelletizing. View Full-Text
Keywords: zea mays; agricultural waste; biomass; physicochemical properties; thermogravimetric analysis zea mays; agricultural waste; biomass; physicochemical properties; thermogravimetric analysis
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MDPI and ACS Style

Miranda, M.T.; García-Mateos, R.; Arranz, J.I.; Sepúlveda, F.J.; Romero, P.; Botet-Jiménez, A. Selective Use of Corn Crop Residues: Energy Viability. Appl. Sci. 2021, 11, 3284. https://doi.org/10.3390/app11073284

AMA Style

Miranda MT, García-Mateos R, Arranz JI, Sepúlveda FJ, Romero P, Botet-Jiménez A. Selective Use of Corn Crop Residues: Energy Viability. Applied Sciences. 2021; 11(7):3284. https://doi.org/10.3390/app11073284

Chicago/Turabian Style

Miranda, M. T., R. García-Mateos, J. I. Arranz, F. J. Sepúlveda, P. Romero, and A. Botet-Jiménez 2021. "Selective Use of Corn Crop Residues: Energy Viability" Applied Sciences 11, no. 7: 3284. https://doi.org/10.3390/app11073284

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