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Article

Microwave-Assisted Pyrolysis of Pine Wood Sawdust Mixed with Activated Carbon for Bio-Oil and Bio-Char Production

TIMR (Transformations Intégrées de la Matiére Renouvelable), Université de Technologie de Compiègne, École Supérieure de Chimie Organique et Minérale, Centre de Recherche Royallieu, CS 60319, 60203 Compiègne CEDEX, France
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Processes 2020, 8(11), 1437; https://doi.org/10.3390/pr8111437
Received: 15 October 2020 / Revised: 3 November 2020 / Accepted: 5 November 2020 / Published: 10 November 2020
(This article belongs to the Special Issue Microwave Conversion Techniques Intensification)
Pyrolysis of pine wood sawdust was carried out using microwave-heating technology in the presence of activated carbon (AC). Experimental conditions were of 20 min processing time, 10 wt.% of AC, and a microwave power varying from 100 to 800 W. The results obtained showed that the microwave absorber allowed increasing the bio-oil yield up to 2 folds by reducing the charcoal fraction. The maximum temperature reached was 505 °C at 800 W. The higher heating values (HHV) of the solid residues ranged from 17.6 to 30.3 MJ/kg. The highest HHV was obtained for the sample heated at 800 W with 10 wt.% of AC, which was 33% higher than the non-charged sample heated at the same power. Furthermore, the addition of AC allowed showing the probable catalytic effect of the AC in the charged sample pyrolysis bio-oils. View Full-Text
Keywords: activated carbon; biomass; microwave absorber; pine wood sawdust; pyrolysis activated carbon; biomass; microwave absorber; pine wood sawdust; pyrolysis
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MDPI and ACS Style

Khelfa, A.; Rodrigues, F.A.; Koubaa, M.; Vorobiev, E. Microwave-Assisted Pyrolysis of Pine Wood Sawdust Mixed with Activated Carbon for Bio-Oil and Bio-Char Production. Processes 2020, 8, 1437. https://doi.org/10.3390/pr8111437

AMA Style

Khelfa A, Rodrigues FA, Koubaa M, Vorobiev E. Microwave-Assisted Pyrolysis of Pine Wood Sawdust Mixed with Activated Carbon for Bio-Oil and Bio-Char Production. Processes. 2020; 8(11):1437. https://doi.org/10.3390/pr8111437

Chicago/Turabian Style

Khelfa, Anissa, Filipe A. Rodrigues, Mohamed Koubaa, and Eugène Vorobiev. 2020. "Microwave-Assisted Pyrolysis of Pine Wood Sawdust Mixed with Activated Carbon for Bio-Oil and Bio-Char Production" Processes 8, no. 11: 1437. https://doi.org/10.3390/pr8111437

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