Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and properties

This study aims to investigate the influence of various operating conditions on the conversion of Moroccan woody biomass using pyrolysis process. The pyrolysis reaction was performed at 350, 400, 450, 500, 500, 550, and 600 °C, for different heating rates of 20, 50, 80, and $100~\text{°}\mathrm{C}{\...

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Main Authors: Tabal, Amine, Belyazid, Oumayma, Dahman, Hicham, Berrich, Emna, Jeguirim, Mejdi, El Achaby, Mounir, El Harfi, Khalifa, Aboulkas, Adil
Format: Article
Language:English
Published: Académie des sciences 2023-11-01
Series:Comptes Rendus. Chimie
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Online Access:https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.253/
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author Tabal, Amine
Belyazid, Oumayma
Dahman, Hicham
Berrich, Emna
Jeguirim, Mejdi
El Achaby, Mounir
El Harfi, Khalifa
Aboulkas, Adil
author_facet Tabal, Amine
Belyazid, Oumayma
Dahman, Hicham
Berrich, Emna
Jeguirim, Mejdi
El Achaby, Mounir
El Harfi, Khalifa
Aboulkas, Adil
author_sort Tabal, Amine
collection DOAJ
description This study aims to investigate the influence of various operating conditions on the conversion of Moroccan woody biomass using pyrolysis process. The pyrolysis reaction was performed at 350, 400, 450, 500, 500, 550, and 600 °C, for different heating rates of 20, 50, 80, and $100~\text{°}\mathrm{C}{\cdot }\mathrm{min}^{-1}$, and under flow rates of N$_2$ of 50, 100, 200, 400, and $800~\mathrm{mL}{\cdot }\mathrm{min}^{-1}$. The oil yield of 41.85% was found maximum at the following optimal conditions: a temperature of 500 °C, a heating rate of $100~\mathrm{C}{\cdot }\mathrm{min}^{-1}$ and a N$_2$ flow rate of $100~\mathrm{mL}{\cdot }\mathrm{min}^{-1}$. The composition and characteristics of bio-oil and bio-char were determined by elemental and proximate analysis, GC–MS, NMR, FTIR, ATG, BET and SEM. Thermogravimetric analysis revealed that a 39% conversion of the bio-oil is in the medium naphtha range. High quantity of aliphatic, phenolic ketones and aromatic groups are present in the bio-oil, which underlines the need for further upgrading for the bio-oil to be considered as a potential biofuel and valuable chemical product. The physicochemical properties of biochar show that it is a material with a high calorific value and a high percentage of carbon relative to raw biomass. Thus, it can be used as promising material in various application such as activated carbon synthesis and biofertilizers.
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spelling doaj-art-b4d75622863f4095bd67cf0840f69a042025-02-07T13:37:38ZengAcadémie des sciencesComptes Rendus. Chimie1878-15432023-11-0126S172310.5802/crchim.25310.5802/crchim.253Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and propertiesTabal, Amine0https://orcid.org/0000-0001-8520-9716Belyazid, Oumayma1Dahman, Hicham2Berrich, Emna3https://orcid.org/0000-0003-4688-4692Jeguirim, Mejdi4https://orcid.org/0000-0003-2401-5824El Achaby, Mounir5https://orcid.org/0000-0001-6694-3739El Harfi, Khalifa6https://orcid.org/0000-0003-4861-5621Aboulkas, Adil7https://orcid.org/0000-0003-2573-4230Equipe des Procédés Chimiques et Matériaux Appliqués (EPCMA), Faculté Polydisciplinaire, Univesité Sultan Moulay Slimane, BP 592, 23000 Béni Mellal, MoroccoEquipe des Procédés Chimiques et Matériaux Appliqués (EPCMA), Faculté Polydisciplinaire, Univesité Sultan Moulay Slimane, BP 592, 23000 Béni Mellal, MoroccoEquipe des Procédés Chimiques et Matériaux Appliqués (EPCMA), Faculté Polydisciplinaire, Univesité Sultan Moulay Slimane, BP 592, 23000 Béni Mellal, MoroccoGEPEA UMR CNRS 6144 Laboratory, Institute Mines Telecom IMT Atlantique, Energetic Systems and Environment Department, 4 Alfred KASTLER Street- BP20722 Nantes, FranceCNRS, IS2M UMR 7361, Université de Haute-Alsace, Mulhouse 68100, FranceMaterials Science and Nano-engineering Department, Mohamed 6 Polytechnic University, Lot 660-Hay Moulay Rachid, 43150 Benguerir, MoroccoEquipe des Procédés Chimiques et Matériaux Appliqués (EPCMA), Faculté Polydisciplinaire, Univesité Sultan Moulay Slimane, BP 592, 23000 Béni Mellal, MoroccoEquipe des Procédés Chimiques et Matériaux Appliqués (EPCMA), Faculté Polydisciplinaire, Univesité Sultan Moulay Slimane, BP 592, 23000 Béni Mellal, Morocco; UMR, IATE, CIRAD, Montpellier SupAgro, INRA, Université de Montpelier, FranceThis study aims to investigate the influence of various operating conditions on the conversion of Moroccan woody biomass using pyrolysis process. The pyrolysis reaction was performed at 350, 400, 450, 500, 500, 550, and 600 °C, for different heating rates of 20, 50, 80, and $100~\text{°}\mathrm{C}{\cdot }\mathrm{min}^{-1}$, and under flow rates of N$_2$ of 50, 100, 200, 400, and $800~\mathrm{mL}{\cdot }\mathrm{min}^{-1}$. The oil yield of 41.85% was found maximum at the following optimal conditions: a temperature of 500 °C, a heating rate of $100~\mathrm{C}{\cdot }\mathrm{min}^{-1}$ and a N$_2$ flow rate of $100~\mathrm{mL}{\cdot }\mathrm{min}^{-1}$. The composition and characteristics of bio-oil and bio-char were determined by elemental and proximate analysis, GC–MS, NMR, FTIR, ATG, BET and SEM. Thermogravimetric analysis revealed that a 39% conversion of the bio-oil is in the medium naphtha range. High quantity of aliphatic, phenolic ketones and aromatic groups are present in the bio-oil, which underlines the need for further upgrading for the bio-oil to be considered as a potential biofuel and valuable chemical product. The physicochemical properties of biochar show that it is a material with a high calorific value and a high percentage of carbon relative to raw biomass. Thus, it can be used as promising material in various application such as activated carbon synthesis and biofertilizers.https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.253/Intermediate pyrolysis<i>Ficus</i> woodBio-oilBiocharCharacterization
spellingShingle Tabal, Amine
Belyazid, Oumayma
Dahman, Hicham
Berrich, Emna
Jeguirim, Mejdi
El Achaby, Mounir
El Harfi, Khalifa
Aboulkas, Adil
Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and properties
Comptes Rendus. Chimie
Intermediate pyrolysis
<i>Ficus</i> wood
Bio-oil
Biochar
Characterization
title Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and properties
title_full Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and properties
title_fullStr Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and properties
title_full_unstemmed Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and properties
title_short Intermediate pyrolysis of Ficus nitida wood in a fixed-bed reactor: effect of pyrolysis parameters on bio-oil and bio-char yields and properties
title_sort intermediate pyrolysis of ficus nitida wood in a fixed bed reactor effect of pyrolysis parameters on bio oil and bio char yields and properties
topic Intermediate pyrolysis
<i>Ficus</i> wood
Bio-oil
Biochar
Characterization
url https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.253/
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