Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles

Biomass pyrolysis and in-line catalytic oxidative steam reforming of the volatiles (P-OSR) has been analyzed in a two-step reaction system made up of a conical spouted bed reactor (CSBR) and a fluidized bed reactor (FBR). A novel O2 multi-point injection system has been designed in order to ensure s...

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Autores: García González, Irati, Santamaría Moreno, Laura, López Zabalbeitia, Gartzen, Bilbao Elorriaga, Javier, Olazar Aurrecoechea, Martin, Amutio Izaguirre, Maider, Artetxe Uria, Maite
Tipo de documento: artigo
Data de publicação:2023
País:España
Recursos:Universidad del País Vasco
Repositório:Addi. Archivo Digital para la Docencia y la Investigación
OAI Identifier:oai:addi.ehu.eus:10810/71791
Acesso em linha:http://hdl.handle.net/10810/71791
Access Level:Acceso aberto
Palavra-chave:Hydrogen
pyrolysis
oxidative steam reforming
biomass
autothermal
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spelling Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatilesGarcía González, IratiSantamaría Moreno, LauraLópez Zabalbeitia, GartzenBilbao Elorriaga, JavierOlazar Aurrecoechea, MartinAmutio Izaguirre, MaiderArtetxe Uria, MaiteHydrogenpyrolysisoxidative steam reformingbiomassautothermalBiomass pyrolysis and in-line catalytic oxidative steam reforming of the volatiles (P-OSR) has been analyzed in a two-step reaction system made up of a conical spouted bed reactor (CSBR) and a fluidized bed reactor (FBR). A novel O2 multi-point injection system has been designed in order to ensure suitable O2 distribution in the FBR, and hence avoid the formation of hot spots that may lead to irreversible catalyst deactivation by metal sintering. Optimization of the main process parameters has been approached in order to maximize H2 production and overcome the high energy requirements of the endothermic reforming reaction. The study has been conducted in the following ranges of the operating conditions: Reforming temperature, 550–700 °C; space time, 5–20 gcat min gvolatiles−1; steam/biomass (S/B) ratio, 2.5–5; and equivalence ratio (ER) from 0 to 0.19. Moderate reforming temperatures (600–650 °C), a S/B value of 3 and a space time of 15 gcat min gvolatiles−1 are the optimum conditions for the process. Furthermore, when low space time values are used, O2 feeding rates into the reforming step of up to an ER value of 0.12 (corresponding to autothermal operation (ATR)) revealed a synergistic effect promoting reforming reactions. Thus, an improvement in H2 production from 6.81 wt% to 8.26 wt% was observed by changing ER from 0 to 0.12, which means H2 production increases by 21.4% compared to the conventional pyrolysis-reforming (P-SR) process. Therefore, the promising results obtained in this study prove the suitability of the continuous P-OSR strategy for H2 production from biomass and involve a step forward towards the scaling up of the process.This work was carried out with the financial support of the grant PID2022-140704OB-I00 funded by MCIU/AEI/10.13039/501100011033 and “ERDF, a way of making Europe”, the grants TED2021-132056B-I00 and PLEC2021-008062 funded by MCIN/AEI/10.13039/501100011033 and “European Union NextGenerationEU/PRTR”, the grant PID2022- 139454OB-I00 funded by MCIN/AEI/10.13039/501100011033 and “ERDF, a way of making Europe” and the grants IT1645-22 and KK- 2023/00060 funded by the Basque Government. Moreover, this project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No. 823745.ElsevierEuropean Commission202520252023info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10810/71791reponame:Addi. Archivo Digital para la Docencia y la Investigacióninstname:Universidad del País VascoInglésinfo:eu-repo/grantAgreement/EC/H2020/823745info:eu-repo/grantAgreement/MICINN/PID2022-140704OB-I00/info:eu-repo/grantAgreement/MICINN/TED2021-132056B-I00/info:eu-repo/grantAgreement/MICINN/PLEC2021-008062/info:eu-repo/grantAgreement/MICINN/PID2022-139454OB-I00/https://www.sciencedirect.com/science/article/pii/S1385894723049549info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/© 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND licenseoai:addi.ehu.eus:10810/717912026-06-18T09:23:17Z
dc.title.none.fl_str_mv Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
title Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
spellingShingle Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
García González, Irati
Hydrogen
pyrolysis
oxidative steam reforming
biomass
autothermal
title_short Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
title_full Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
title_fullStr Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
title_full_unstemmed Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
title_sort Steps to understand the role played by the main operating conditions in the oxidative steam reforming of biomass fast pyrolysis volatiles
dc.creator.none.fl_str_mv García González, Irati
Santamaría Moreno, Laura
López Zabalbeitia, Gartzen
Bilbao Elorriaga, Javier
Olazar Aurrecoechea, Martin
Amutio Izaguirre, Maider
Artetxe Uria, Maite
author García González, Irati
author_facet García González, Irati
Santamaría Moreno, Laura
López Zabalbeitia, Gartzen
Bilbao Elorriaga, Javier
Olazar Aurrecoechea, Martin
Amutio Izaguirre, Maider
Artetxe Uria, Maite
author_role author
author2 Santamaría Moreno, Laura
López Zabalbeitia, Gartzen
Bilbao Elorriaga, Javier
Olazar Aurrecoechea, Martin
Amutio Izaguirre, Maider
Artetxe Uria, Maite
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv European Commission
dc.subject.none.fl_str_mv Hydrogen
pyrolysis
oxidative steam reforming
biomass
autothermal
topic Hydrogen
pyrolysis
oxidative steam reforming
biomass
autothermal
description Biomass pyrolysis and in-line catalytic oxidative steam reforming of the volatiles (P-OSR) has been analyzed in a two-step reaction system made up of a conical spouted bed reactor (CSBR) and a fluidized bed reactor (FBR). A novel O2 multi-point injection system has been designed in order to ensure suitable O2 distribution in the FBR, and hence avoid the formation of hot spots that may lead to irreversible catalyst deactivation by metal sintering. Optimization of the main process parameters has been approached in order to maximize H2 production and overcome the high energy requirements of the endothermic reforming reaction. The study has been conducted in the following ranges of the operating conditions: Reforming temperature, 550–700 °C; space time, 5–20 gcat min gvolatiles−1; steam/biomass (S/B) ratio, 2.5–5; and equivalence ratio (ER) from 0 to 0.19. Moderate reforming temperatures (600–650 °C), a S/B value of 3 and a space time of 15 gcat min gvolatiles−1 are the optimum conditions for the process. Furthermore, when low space time values are used, O2 feeding rates into the reforming step of up to an ER value of 0.12 (corresponding to autothermal operation (ATR)) revealed a synergistic effect promoting reforming reactions. Thus, an improvement in H2 production from 6.81 wt% to 8.26 wt% was observed by changing ER from 0 to 0.12, which means H2 production increases by 21.4% compared to the conventional pyrolysis-reforming (P-SR) process. Therefore, the promising results obtained in this study prove the suitability of the continuous P-OSR strategy for H2 production from biomass and involve a step forward towards the scaling up of the process.
publishDate 2023
dc.date.none.fl_str_mv 2023
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10810/71791
url http://hdl.handle.net/10810/71791
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/EC/H2020/823745
info:eu-repo/grantAgreement/MICINN/PID2022-140704OB-I00/
info:eu-repo/grantAgreement/MICINN/TED2021-132056B-I00/
info:eu-repo/grantAgreement/MICINN/PLEC2021-008062/
info:eu-repo/grantAgreement/MICINN/PID2022-139454OB-I00/
https://www.sciencedirect.com/science/article/pii/S1385894723049549
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Addi. Archivo Digital para la Docencia y la Investigación
instname:Universidad del País Vasco
instname_str Universidad del País Vasco
reponame_str Addi. Archivo Digital para la Docencia y la Investigación
collection Addi. Archivo Digital para la Docencia y la Investigación
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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