Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis
H2 production by sorption enhanced steam reforming (SESR) of bio-oil/biogas blends was demonstrated in a fluidized bed reactor. It combines steam reforming (SR) with simultaneous CO2 capture by a solid sorbent. SESR was performed on a Pd/Ni-Co catalyst derived from a hydrotalcite-like material (HT) using dolomite as CO2 sorbent. Bio-oil from fast pyrolysis of biomass is a carbon–neutral and renewable energy source with great potential for clean H2 production by steam reforming processes. Biogas is also a promising renewable bio-based resource for hydrogen generation that can be used to increase the H2 production of a biomass-based plant. In turn, it could improve the energy efficiency of the process due to the exothermic reaction of the CO2 contained in biogas with the sorbent. Bio-oil composed of acetic acid and acetone (1/1 mol/mol) and biogas composed of CH4 and CO2 (60/40 vol%) were used as fuels. They were blended (50 wt% bio-oil + 50 wt% CH4) to study the SESR process. Effects of temperature, steam/C molar ratio, and pressure on the process performance were evaluated. SESR results showed an effective reforming of bio-oil/biogas blends and an enhancement in the H2 production and fuel conversion compared to conventional SR. Higher temperature and steam/C ratio, but lower pressure, favored H2 yield and purity. High H2 yield (87.1%) and H2 purity (98.6 vol%) were obtained at 625 °C and 2.5 bar (steam/C molar ratio three times higher than the stoichiometric value). The thermodynamic energy analysis of the SESR of bio-oil/biogas blends rendered 1.34% higher cold gas efficiency (CGE) than bio-oil SESR.
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Format: | artículo biblioteca |
Language: | English |
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Elsevier
2022-03-15
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Subjects: | Bio-oil, Biogas/Bio-oil blend, CO2 capture, Energy efficiency, Hydrogen, Sorption enhanced steam reforming, |
Online Access: | http://hdl.handle.net/10261/296479 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/100011941 https://api.elsevier.com/content/abstract/scopus_id/85122260699 |
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dig-incar-es-10261-2964792024-05-17T21:02:25Z Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis Rodríguez, S. Capa, Alma García Fernández, Roberto Chen, D. Rubiera González, Fernando Pevida García, Covadonga Gil Matellanes, María Victoria Ministerio de Ciencia e Innovación (España) Principado de Asturias García Fernández, Roberto [0000-0003-3917-887X] Rubiera González, Fernando [0000-0003-0385-1102] Pevida García, Covadonga [0000-0002-4662-8448] Gil Matellanes, María Victoria [0000-0002-2258-3011] Bio-oil Biogas/Bio-oil blend CO2 capture Energy efficiency Hydrogen Sorption enhanced steam reforming H2 production by sorption enhanced steam reforming (SESR) of bio-oil/biogas blends was demonstrated in a fluidized bed reactor. It combines steam reforming (SR) with simultaneous CO2 capture by a solid sorbent. SESR was performed on a Pd/Ni-Co catalyst derived from a hydrotalcite-like material (HT) using dolomite as CO2 sorbent. Bio-oil from fast pyrolysis of biomass is a carbon–neutral and renewable energy source with great potential for clean H2 production by steam reforming processes. Biogas is also a promising renewable bio-based resource for hydrogen generation that can be used to increase the H2 production of a biomass-based plant. In turn, it could improve the energy efficiency of the process due to the exothermic reaction of the CO2 contained in biogas with the sorbent. Bio-oil composed of acetic acid and acetone (1/1 mol/mol) and biogas composed of CH4 and CO2 (60/40 vol%) were used as fuels. They were blended (50 wt% bio-oil + 50 wt% CH4) to study the SESR process. Effects of temperature, steam/C molar ratio, and pressure on the process performance were evaluated. SESR results showed an effective reforming of bio-oil/biogas blends and an enhancement in the H2 production and fuel conversion compared to conventional SR. Higher temperature and steam/C ratio, but lower pressure, favored H2 yield and purity. High H2 yield (87.1%) and H2 purity (98.6 vol%) were obtained at 625 °C and 2.5 bar (steam/C molar ratio three times higher than the stoichiometric value). The thermodynamic energy analysis of the SESR of bio-oil/biogas blends rendered 1.34% higher cold gas efficiency (CGE) than bio-oil SESR. The authors thank Franefoss Miljøkalk AS (Norway) for supplying Arctic dolomite. This work was carried out with financial support from the Spanish MICINN (Project ENE2017-83530-R), co-financed by the European Regional Development Fund (ERDF), and from the Gobierno del Principado de Asturias (PCTI, Ref. IDI/2021/000060). S. Rodríguez acknowledges an Introduction to research JAE Intro scholarship, financed by CSIC (JAE program). A. Capa acknowledges a fellowship awarded by the Spanish MICINN (FPI program, PRE2018-083634), co-financed by the European Social Fund (ESF). M.V. Gil acknowledges support from a Ramón y Cajal grant (RYC-2017-21937) of the Spanish government and the Spanish State Research Agency, co-financed by the European Social Peer reviewed 2023-03-02T12:44:06Z 2023-03-02T12:44:06Z 2022-03-15 artículo http://purl.org/coar/resource_type/c_6501 Chemical Engineering Journal 432: 134396 (2022) 1385-8947 http://hdl.handle.net/10261/296479 10.1016/j.cej.2021.134396 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/100011941 2-s2.0-85122260699 https://api.elsevier.com/content/abstract/scopus_id/85122260699 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/ENE2017-83530-R/ES/CONVERSION DE BIOGAS EN BIO-HIDROGENO EN UNA SOLA ETAPA: REFORMADO CATALITICO CON CAPTURA INTEGRADA DE CO2/ Chemical Engineering Journal Publisher's version https://doi.org/10.1016/j.cej.2021.134396 Sí open Elsevier |
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Bio-oil Biogas/Bio-oil blend CO2 capture Energy efficiency Hydrogen Sorption enhanced steam reforming Bio-oil Biogas/Bio-oil blend CO2 capture Energy efficiency Hydrogen Sorption enhanced steam reforming |
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Bio-oil Biogas/Bio-oil blend CO2 capture Energy efficiency Hydrogen Sorption enhanced steam reforming Bio-oil Biogas/Bio-oil blend CO2 capture Energy efficiency Hydrogen Sorption enhanced steam reforming Rodríguez, S. Capa, Alma García Fernández, Roberto Chen, D. Rubiera González, Fernando Pevida García, Covadonga Gil Matellanes, María Victoria Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis |
description |
H2 production by sorption enhanced steam reforming (SESR) of bio-oil/biogas blends was demonstrated in a fluidized bed reactor. It combines steam reforming (SR) with simultaneous CO2 capture by a solid sorbent. SESR was performed on a Pd/Ni-Co catalyst derived from a hydrotalcite-like material (HT) using dolomite as CO2 sorbent. Bio-oil from fast pyrolysis of biomass is a carbon–neutral and renewable energy source with great potential for clean H2 production by steam reforming processes. Biogas is also a promising renewable bio-based resource for hydrogen generation that can be used to increase the H2 production of a biomass-based plant. In turn, it could improve the energy efficiency of the process due to the exothermic reaction of the CO2 contained in biogas with the sorbent. Bio-oil composed of acetic acid and acetone (1/1 mol/mol) and biogas composed of CH4 and CO2 (60/40 vol%) were used as fuels. They were blended (50 wt% bio-oil + 50 wt% CH4) to study the SESR process. Effects of temperature, steam/C molar ratio, and pressure on the process performance were evaluated. SESR results showed an effective reforming of bio-oil/biogas blends and an enhancement in the H2 production and fuel conversion compared to conventional SR. Higher temperature and steam/C ratio, but lower pressure, favored H2 yield and purity. High H2 yield (87.1%) and H2 purity (98.6 vol%) were obtained at 625 °C and 2.5 bar (steam/C molar ratio three times higher than the stoichiometric value). The thermodynamic energy analysis of the SESR of bio-oil/biogas blends rendered 1.34% higher cold gas efficiency (CGE) than bio-oil SESR. |
author2 |
Ministerio de Ciencia e Innovación (España) |
author_facet |
Ministerio de Ciencia e Innovación (España) Rodríguez, S. Capa, Alma García Fernández, Roberto Chen, D. Rubiera González, Fernando Pevida García, Covadonga Gil Matellanes, María Victoria |
format |
artículo |
topic_facet |
Bio-oil Biogas/Bio-oil blend CO2 capture Energy efficiency Hydrogen Sorption enhanced steam reforming |
author |
Rodríguez, S. Capa, Alma García Fernández, Roberto Chen, D. Rubiera González, Fernando Pevida García, Covadonga Gil Matellanes, María Victoria |
author_sort |
Rodríguez, S. |
title |
Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis |
title_short |
Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis |
title_full |
Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis |
title_fullStr |
Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis |
title_full_unstemmed |
Blends of bio-oil/biogas model compounds for high-purity H2 production by sorption enhanced steam reforming (SESR): Experimental study and energy analysis |
title_sort |
blends of bio-oil/biogas model compounds for high-purity h2 production by sorption enhanced steam reforming (sesr): experimental study and energy analysis |
publisher |
Elsevier |
publishDate |
2022-03-15 |
url |
http://hdl.handle.net/10261/296479 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/100011941 https://api.elsevier.com/content/abstract/scopus_id/85122260699 |
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