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Open AccessArticle

Kinetic Study of Corn and Sugarcane Waste Oxidative Pyrolysis

1
Department of Civil and Environmental Engineering, Universidad de los Andes, Carrera 1Este #19A-40, Bogotá 111711, Colombia
2
Department of Chemical Engineering, University of the Basque Country, B. Sarriena s/n, 48940 Leioa, Spain
*
Author to whom correspondence should be addressed.
Energies 2019, 12(23), 4594; https://doi.org/10.3390/en12234594
Received: 6 November 2019 / Revised: 22 November 2019 / Accepted: 27 November 2019 / Published: 3 December 2019
(This article belongs to the Section Bio-Energy)
The behavior of the kinetics and pyrolysis of the corn and sugarcane waste (cob corn, husk corn, and bagasse) produced in Colombia have been evaluated in a thermobalance as a step toward their valorization, in order to recover this type of waste. For this, a kinetic model has been developed consisting of a multicomponent mechanism that seeks to describe the formation of volatile materials. This model evaluates the decomposition of hemicellulose, cellulose, and lignin from three parallel and independent reactions network. It also involves the production of other products such as fixed coal and ashes. The evaluation of the model from the kinetic parameters and the thermogravimetric curves were compared with other types of waste, in the same way the chemical characteristics of the studied waste were determined. Although the wastes of this study are completely different, it was found that the degradation behavior of the residues of this study are very similar to other lignocellulosic materials, which demonstrates again that the pyrolysis valorization is possible. View Full-Text
Keywords: waste; biomass; kinetics; thermogravimetry; corn; sugarcane bagasse waste; biomass; kinetics; thermogravimetry; corn; sugarcane bagasse
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MDPI and ACS Style

Rodríguez, F.; Cruz, Y.; Estiati, I.; Saldarriaga, J.F. Kinetic Study of Corn and Sugarcane Waste Oxidative Pyrolysis. Energies 2019, 12, 4594.

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