Pyrolysis of Energy Cane Bagasse: Investigating Kinetics, Thermodynamics, and Effect of Temperature on Volatile Products

Denisson O. Liborio, Juan F. Gonzalez, Santiago Arias, Guilherme D. Mumbach, Jose Luiz F. Alves, Jean C. G. da Silva, Jose Marcos F. Silva, Celmy M. B. M. Barbosa, Florival R. Carvalho, Ricardo R. Soares, Diogo A. Simões and Jose Geraldo A. Pacheco ()
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Denisson O. Liborio: Laboratory of Refining and Cleaner Technology-LabRefino-Lateclim, Department of Chemical Engineering, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil
Juan F. Gonzalez: Laboratory of Refining and Cleaner Technology-LabRefino-Lateclim, Department of Chemical Engineering, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil
Santiago Arias: Laboratory of Refining and Cleaner Technology-LabRefino-Lateclim, Department of Chemical Engineering, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil
Guilherme D. Mumbach: Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
Jose Luiz F. Alves: Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
Jean C. G. da Silva: School of Agricultural Engineering, University of Campinas (GBMA/FEAGRI/UNICAMP), Campinas 13083-875, SP, Brazil
Jose Marcos F. Silva: Laboratory of Refining and Cleaner Technology-LabRefino-Lateclim, Department of Chemical Engineering, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil
Celmy M. B. M. Barbosa: Laboratory of Refining and Cleaner Technology-LabRefino-Lateclim, Department of Chemical Engineering, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil
Florival R. Carvalho: Fuel Laboratory, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil
Ricardo R. Soares: Faculty of Chemical Engineering, Federal University of Uberlândia, Uberlândia 38408-144, MG, Brazil
Diogo A. Simões: Fuel Laboratory, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil
Jose Geraldo A. Pacheco: Laboratory of Refining and Cleaner Technology-LabRefino-Lateclim, Department of Chemical Engineering, Institute for Petroleum and Energy Research-LITPEG, Federal University of Pernambuco, Av da Arquitetura, Recife 50740-540, PE, Brazil

Energies, 2023, vol. 16, issue 15, 1-21

Abstract: Energy cane is a genotype derived from species of sugarcane ( Saccharum officinarum and Saccharum spontaneum ) with a lower sucrose content and higher fiber content for bioenergy purposes. It is a rustic plant that demands less fertile soils that do not compete with food crops. In this work, an analysis of energy cane bagasse pyrolysis products was performed, assessing the effect of reaction temperature and kinetic and thermodynamic parameters. Anhydrosugars, such as D-allose, were the primary compounds derived from the decomposition of energy cane at 500 °C. Methyl vinyl ketone and acetic acid were favored at 550 and 600 °C. At 650 °C, methyl glyoxal, acetaldehyde and hydrocarbons were favored. Among the hydrocarbons observed, butane, toluene and olefins such as 1-decene, 1-undecene, 1-tridecene and 1-tetradecene were the most produced. The Friedman isoconversional method was able to determine the average activation energies in the ranges 113.7−149.4, 119.9−168.0, 149.3−196.4 and 170.1−2913.9 kJ mol −1 for the decomposition of, respectively, pseudo-extractives, pseudo-hemicellulose, pseudo-cellulose and pseudo-lignin. The thermodynamic parameters of activation were determined within the ranges of 131.0 to 507.6 kJ mol −1 for Δ H , 153.7 to 215.2 kJ mol −1 for Δ G and −35.5 to 508.8 J mol −1 K −1 for Δ S . This study is very encouraging for the cultivation and use of high-fiber-content energy cane bagasse, after sucrose extraction, to produce biofuels as an alternative to the current method of conversion into electricity by low-efficiency burning.

Keywords: energy cane; pyrolysis; bioenergy; kinetics (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: 2023
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