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Effect of torrefaction pretreatment on the pyrolysis of rubber wood sawdust analyzed by Py-GC/MS

Chen Wei-Hsin, Wang Chao-Wen, Kumar Gopalakrishnan, Rousset Patrick, Hsieh Tzu-Hsien. 2018. Effect of torrefaction pretreatment on the pyrolysis of rubber wood sawdust analyzed by Py-GC/MS. Bioresource Technology, 259 : pp. 469-473.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q1, Sujet : AGRICULTURAL ENGINEERING / Quartile : Q1, Sujet : BIOTECHNOLOGY & APPLIED MICROBIOLOGY / Quartile : Q1, Sujet : ENERGY & FUELS

Abstract : The aim of this study was to investigate the effect of torrefaction on the pyrolysis of rubber wood sawdust (RWS) using pyrolysis–gas chromatography/mass spectrometry (Py-GC/MS). Three typical torrefaction temperatures (200, 250, and 300 °C) and pyrolysis temperatures (450, 500, and 550 °C) were considered. The results suggested that only diethyl phthalate, belonging to esters, was detected at the torrefaction temperatures of 200 and 250 °C, revealing hemicellulose degradation. With the torrefaction temperature of 300 °C, esters, aldehydes, and phenols were detected, suggesting the predominant decomposition of hemicellulose and lignin. The double-shot pyrolysis indicated that the contents of oxy-compounds such as acids and aldehydes in pyrolysis bio-oil decreased with rising torrefaction temperature, implying that increasing torrefaction severity abated oxygen content in the bio-oil. With the torrefaction temperature of 300 °C, relatively more cellulose was retained in the biomass because the carbohydrate content in the pyrolysis bio-oil increased significantly.

Mots-clés Agrovoc : Bois, Biomasse, Pyrolyse, Torréfaction, Hevea brasiliensis, Déchet de bois, utilisation de terre forestière, Température, Composition chimique, Phénol, Huile

Mots-clés géographiques Agrovoc : Thaïlande

Classification Agris : P06 - Renewable energy resources
K50 - Processing of forest products

Champ stratégique Cirad : Axe 2 (2014-2018) - Valorisation de la biomasse

Auteurs et affiliations

  • Chen Wei-Hsin, National Cheng Kung University (TWN) - auteur correspondant
  • Wang Chao-Wen, National Cheng Kung University (TWN)
  • Kumar Gopalakrishnan, Daegu University (KOR)
  • Rousset Patrick, CIRAD-PERSYST-UPR BioWooEB (THA)
  • Hsieh Tzu-Hsien, Green Technology Research Institute (TWN)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/587350/)

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