Thermal Degradation Kinetics and FT-IR Analysis on the Pyrolysis of Pinus pseudostrobus, Pinus leiophylla and Pinus montezumae as Forest Waste in Western Mexico

José Juan Alvarado Flores, José Guadalupe Rutiaga Quiñones, María Liliana Ávalos Rodríguez, Jorge Víctor Alcaraz Vera, Jaime Espino Valencia, Santiago José Guevara Martínez, Francisco Márquez Montesino and Antonio Alfaro Rosas
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José Juan Alvarado Flores: Faculty of Wood Engineering and Technology, University Michoacana of San Nicolas of Hidalgo, Edif. D, University Cd, Morelia C.P. 58060, Michoacán, Mexico
José Guadalupe Rutiaga Quiñones: Faculty of Wood Engineering and Technology, University Michoacana of San Nicolas of Hidalgo, Edif. D, University Cd, Morelia C.P. 58060, Michoacán, Mexico
María Liliana Ávalos Rodríguez: Center for Research in Environmental Geography, National Autonomous University of Mexico, Morelia C.P. 58190, Michoacán, Mexico
Jorge Víctor Alcaraz Vera: Institute of Economic and Business Research, University Michoacana of San Nicolas of Hidalgo, University Cd, Morelia C.P. 58060, Michoacán, Mexico
Jaime Espino Valencia: Faculty of Chemical Engineering, University Michoacana of San Nicolas of Hidalgo, Edif. V-1, University Cd, Morelia C.P. 58060, Michoacán, Mexico
Santiago José Guevara Martínez: Faculty of Chemical Engineering, University Michoacana of San Nicolas of Hidalgo, Edif. V-1, University Cd, Morelia C.P. 58060, Michoacán, Mexico
Francisco Márquez Montesino: Centre for the Study of Energy and Sustainable Technologies, University of Pinar del Rio, Martí 270 Final, C.P. Pinar del Rio 20100, Cuba
Antonio Alfaro Rosas: Faculty of Wood Engineering and Technology, University Michoacana of San Nicolas of Hidalgo, Edif. D, University Cd, Morelia C.P. 58060, Michoacán, Mexico

Energies, 2020, vol. 13, issue 4, 1-25

Abstract: For the first time, a study has been carried out on the pyrolysis of wood residues from Pinus pseudostrobus , Pinus leiophylla and Pinus montezumae , from an area in Western México using TGA analysis to determine the main kinetic parameters ( Ea and Z ) at different heating rates in a N 2 atmosphere. The samples were heated from 25 °C to 800 °C with six different heating rates 5–30 °C min −1 . The Ea , was calculated using different widely known mathematical models such as Friedman, Flynn-Wall-Ozawa and Kissinger-Akahira-Sunose. The Ea value of 126.58, 123.22 and 112.72 kJ/mol ( P. pseudostrobus ), 146.15, 143.24 and 132.76 kJ/mol ( P. leiophylla ) and 148.12, 151.8 and 141.25 kJ/mol ( P. montezumae ) respectively, was found for each method. A variation in Ea with respect to conversion was observed with the three models used, revealing that pyrolysis of pines progresses through more complex, multi-stage kinetics. FT-IR spectroscopy was conducted to determine the functional groups present in the three species of conifers. This research will allow future decisions to be made, and possibly, to carry out this process in a biomass reactor and therefore the production of H 2 for the generation of energy through a fuel cell.

Keywords: Pinus pseudostrobus; Pinus leiophylla; Pinus montezumae; pyrolysis kinetics; TGA-DTG; Friedman-OFW-KAS models; FT-IR (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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