Kinetics of Combustion of Densified Fuels from Residues of Isabella Grape Processing (Vitis labrusca L.)

Authors

  • Andrés Felipe Rojas González Universidad Nacional de Colombia, Sede Manizales
  • Ángela Viviana Ruales-Salcedo Universidad Nacional de Colombia, Sede Manizales http://orcid.org/0000-0001-6471-166X
  • Francisco Javier Velasco Sarria Universidad del Valle

DOI:

https://doi.org/10.22395/rium.v17n32a3

Keywords:

Grape residues, combustion kinetics, Iso-conversional methods.

Abstract

This paper presents the results of the kinetics of combustion by thermogravimetry of briquettes prepared with residues of vine shoots, skins, stalks and seeds, obtained from the cultivation and processing of Isabella grapes (Vitis labrusca L.). The briquettes were prepared by compression and characterized by near analysis, elemental analysis and thermogravimetric analysis (TGA). The TGA was carried out at three heating rates and in air atmosphere. With the results of the TGA the activation energy was determined by the Iso-conversion methods of Starink and Friedman, and the order of reaction by the Avrami method. The Starink method was found to be more accurate than the Friedman method in calculating activation energy. In addition, reaction order values are very similar for the residues and mixtures analyzed.

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Author Biographies

Andrés Felipe Rojas González, Universidad Nacional de Colombia, Sede Manizales

Profesor Asociado - Dedicación Exclusiva

Departamento de Ingenieria Química

Director Grupo de Investigación en Aprovechamiento de Residuos

Coordinador Laboratorio de Aprovechamiento de Residuos

Ángela Viviana Ruales-Salcedo, Universidad Nacional de Colombia, Sede Manizales

Estudiante de Doctorado en Ingeniería_ Ingeniería Química

Francisco Javier Velasco Sarria, Universidad del Valle

Director Técnico, Laboratorio de Combustión Combustibles 

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Published

2018-07-04

How to Cite

Rojas González, A. F., Ruales-Salcedo, Ángela V., & Velasco Sarria, F. J. (2018). Kinetics of Combustion of Densified Fuels from Residues of Isabella Grape Processing (Vitis labrusca L.). Revista Ingenierías Universidad De Medellín, 17(32), 51–67. https://doi.org/10.22395/rium.v17n32a3

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