Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion

Detalhes bibliográficos
Autor(a) principal: Costa, Romário Cezar Pereira da
Data de Publicação: 2021
Outros Autores: Nascimento , Rebecca Araújo Barros do, Melo, Dulce Maria de Araújo, Albuquerque, Dener Silva, Medeiros, Rodolfo Luiz Bezerra de Araújo, Melo, Marcus Antônio de Freitas, Adánez, Juan
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Research, Society and Development
Texto Completo: https://rsdjournal.org/index.php/rsd/article/view/12831
Resumo: Chemical Looping Combustion (CLC) technology has emerged as a promising alternative capable of restricting the effects of global warming due to anthropogenic gas emissions, especially CO2, through its inherent capture. This study aims to synthesize and evaluate Cu-based oxygen carriers supported on natural materials such as diatomite and kaolin, through the incipient wet impregnation method for CLC process applications. Oxygen carriers were characterized by X-ray diffraction (XRD), temperature-programmed reduction (TPR), and scanning electron microscopy with surface energy dispersive x-ray spectroscopy (SEM-EDS). The mechanical strength of the two oxygen carrier particles was determined after the sintering procedure resulting in high crushing force. Reactivity of oxygen carriers was evaluated in a thermobalance with CH4 and H2 gases. Different reaction pathways were attempted when undergoing the redox cycles: total direct reduction of CuO to Cu0 for Cu-K and partial reduction of CuO to Cu2O and CuO to Cu-D. However, the highest reactivity and reaction rate was achieved in Cu-D due to the pore structure of diatomite, the chemical composition and the resulting interaction between CuO and the support. H2 gas reactivity tests showed a higher conversion rate and greater stability between cycles for both oxygen carriers. Thus, the reducible CuO content present in Cu-Diatomite during the reactivity test with H2 as the fuel gas was ideal for achieving high solids conversion, tendency for greater stability and a higher reaction rate.
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spelling Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustionDesarrollo de transportadores de oxígeno a base de CuO soportado por diatomita y caolín para combustión por recirculación químicaDesenvolvimento de transportadores de oxigênio a base de CuO suportado em diatomita e caulim para combustão por recirculação químicaCaptura de CO2Combustão por recirculação químicaTransportadores de oxigênioCobreDiatomitaCaulim.CO2 captureChemical Looping CombustionOxygen CarriersCopperDiatomiteKaolin.Captura de CO2Combustión con transportadores sólidos de oxígenoTransportadores de oxigênioDiatomitaCaolín.Chemical Looping Combustion (CLC) technology has emerged as a promising alternative capable of restricting the effects of global warming due to anthropogenic gas emissions, especially CO2, through its inherent capture. This study aims to synthesize and evaluate Cu-based oxygen carriers supported on natural materials such as diatomite and kaolin, through the incipient wet impregnation method for CLC process applications. Oxygen carriers were characterized by X-ray diffraction (XRD), temperature-programmed reduction (TPR), and scanning electron microscopy with surface energy dispersive x-ray spectroscopy (SEM-EDS). The mechanical strength of the two oxygen carrier particles was determined after the sintering procedure resulting in high crushing force. Reactivity of oxygen carriers was evaluated in a thermobalance with CH4 and H2 gases. Different reaction pathways were attempted when undergoing the redox cycles: total direct reduction of CuO to Cu0 for Cu-K and partial reduction of CuO to Cu2O and CuO to Cu-D. However, the highest reactivity and reaction rate was achieved in Cu-D due to the pore structure of diatomite, the chemical composition and the resulting interaction between CuO and the support. H2 gas reactivity tests showed a higher conversion rate and greater stability between cycles for both oxygen carriers. Thus, the reducible CuO content present in Cu-Diatomite during the reactivity test with H2 as the fuel gas was ideal for achieving high solids conversion, tendency for greater stability and a higher reaction rate.La tecnología de combustión con transportadores sólidos de oxígeno (CLC) ha surgido como una alternativa prometedora capaz de restringir los efectos del calentamiento global por emisiones de gases antropogénicos, principalmente CO2, a través de su captura inherente. Este estudio tiene como objetivo sintetizar y evaluar transportadores de oxígeno basados ​​en Cu apoyados en materiales naturales como la diatomita y el caolín, utilizando el incipiente método de impregnación húmeda para aplicaciones en procesos CLC. Los portadores de oxígeno se caracterizaron por difracción de rayos-X (XRD), reducción com temperatura programada (TPR) y microscopía electrónica de barrido con espectroscopía de energía superficial dispersiva de rayos-X (SEM-EDS). La resistencia mecánica de los portadores de oxígeno se determinó después del procedimiento de sinterización, lo que resultó en una alta fuerza de trituración. La reactividad de los portadores de oxígeno se evaluó en termobalance con los gases CH4 y H2. Se analizaron diferentes vías de reacción durante los ciclos redox: reducción total directa de CuO a Cu0 para Cu-K y reducción parcial de CuO a Cu2O y CuO para Cu-D. Sin embargo, la mayor reactividad y velocidad de reacción se logró para Cu-D debido a la estructura porosa de la diatomita, la composición química y la interacción resultante entre CuO y el soporte. Las pruebas de reactividad con gas H2 mostraron una mayor tasa de conversión y una mayor estabilidad entre ciclos para ambos transportadores de oxígeno. Así, el contenido reducible de CuO presente en Cu-D durante la prueba de reactividad con H2 como gas combustible fue ideal para obtener una alta conversión de sólidos, con tendencia a una mayor estabilidad y mayor velocidad de reacción.A tecnologia de Combustão com recirculação química (CLC) surgiu como uma alternativa promissora capaz de restringir os efeitos do aquecimento global devido às emissões de gases antropogênicos, principalmente CO2, por meio de sua captura inerente. Este estudo tem como objetivo sintetizar e avaliar carreadores de oxigênio à base de Cu suportados em materiais naturais como diatomita e caulim, através do método de impregnação úmida incipiente para aplicações em processos CLC. Os portadores de oxigênio foram caracterizados por difração de raios-X (XRD), redução à temperatura programada (TPR) e microscopia eletrônica de varredura com espectroscopia de energia de superfície dispersiva de raios-X (SEM-EDS). A resistência mecânica dos transportadoras de oxigênio foi determinada após o procedimento de sinterização, resultando em alta força de esmagamento. A reatividade dos carreadores de oxigênio foi avaliada em termobalança com os gases CH4 e H2. Diferentes vias de reação foram analisadas durante os ciclos redox: redução direta total de CuO para Cu0 para Cu-K e redução parcial de CuO para Cu2O e CuO para Cu-D. No entanto, a maior reatividade e taxa de reação foram alcançadas para o Cu-D devido à estrutura porosa da diatomita, à composição química e à interação resultante entre o CuO e o suporte. Os testes de reatividade com o gás H2 mostraram uma maior taxa de conversão e maior estabilidade entre os ciclos para ambos os transportadores de oxigênio. Assim, o teor de CuO redutível presente na Cu-D durante o teste de reatividade com H2 como gás combustível foi ideal para obtenção de alta conversão dos sólidos, tendência a maior estabilidade e maior taxa de reação.Research, Society and Development2021-04-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/1283110.33448/rsd-v10i4.12831Research, Society and Development; Vol. 10 No. 4; e15110412831Research, Society and Development; Vol. 10 Núm. 4; e15110412831Research, Society and Development; v. 10 n. 4; e151104128312525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIenghttps://rsdjournal.org/index.php/rsd/article/view/12831/12518Copyright (c) 2021 Romário Cezar Pereira da Costa; Rebecca Araújo Barros do Nascimento ; Dulce Maria de Araújo Melo; Dener Silva Albuquerque; Rodolfo Luiz Bezerra de Araújo Medeiros; Marcus Antônio de Freitas Melo; Juan Adánezhttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessCosta, Romário Cezar Pereira da Nascimento , Rebecca Araújo Barros do Melo, Dulce Maria de Araújo Albuquerque, Dener Silva Medeiros, Rodolfo Luiz Bezerra de Araújo Melo, Marcus Antônio de Freitas Adánez, Juan2021-04-25T11:21:26Zoai:ojs.pkp.sfu.ca:article/12831Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:34:18.612032Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false
dc.title.none.fl_str_mv Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
Desarrollo de transportadores de oxígeno a base de CuO soportado por diatomita y caolín para combustión por recirculación química
Desenvolvimento de transportadores de oxigênio a base de CuO suportado em diatomita e caulim para combustão por recirculação química
title Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
spellingShingle Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
Costa, Romário Cezar Pereira da
Captura de CO2
Combustão por recirculação química
Transportadores de oxigênio
Cobre
Diatomita
Caulim.
CO2 capture
Chemical Looping Combustion
Oxygen Carriers
Copper
Diatomite
Kaolin.
Captura de CO2
Combustión con transportadores sólidos de oxígeno
Transportadores de oxigênio
Diatomita
Caolín.
title_short Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
title_full Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
title_fullStr Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
title_full_unstemmed Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
title_sort Development of CuO-based oxygen carriers supported on diatomite and kaolin for chemical looping combustion
author Costa, Romário Cezar Pereira da
author_facet Costa, Romário Cezar Pereira da
Nascimento , Rebecca Araújo Barros do
Melo, Dulce Maria de Araújo
Albuquerque, Dener Silva
Medeiros, Rodolfo Luiz Bezerra de Araújo
Melo, Marcus Antônio de Freitas
Adánez, Juan
author_role author
author2 Nascimento , Rebecca Araújo Barros do
Melo, Dulce Maria de Araújo
Albuquerque, Dener Silva
Medeiros, Rodolfo Luiz Bezerra de Araújo
Melo, Marcus Antônio de Freitas
Adánez, Juan
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Costa, Romário Cezar Pereira da
Nascimento , Rebecca Araújo Barros do
Melo, Dulce Maria de Araújo
Albuquerque, Dener Silva
Medeiros, Rodolfo Luiz Bezerra de Araújo
Melo, Marcus Antônio de Freitas
Adánez, Juan
dc.subject.por.fl_str_mv Captura de CO2
Combustão por recirculação química
Transportadores de oxigênio
Cobre
Diatomita
Caulim.
CO2 capture
Chemical Looping Combustion
Oxygen Carriers
Copper
Diatomite
Kaolin.
Captura de CO2
Combustión con transportadores sólidos de oxígeno
Transportadores de oxigênio
Diatomita
Caolín.
topic Captura de CO2
Combustão por recirculação química
Transportadores de oxigênio
Cobre
Diatomita
Caulim.
CO2 capture
Chemical Looping Combustion
Oxygen Carriers
Copper
Diatomite
Kaolin.
Captura de CO2
Combustión con transportadores sólidos de oxígeno
Transportadores de oxigênio
Diatomita
Caolín.
description Chemical Looping Combustion (CLC) technology has emerged as a promising alternative capable of restricting the effects of global warming due to anthropogenic gas emissions, especially CO2, through its inherent capture. This study aims to synthesize and evaluate Cu-based oxygen carriers supported on natural materials such as diatomite and kaolin, through the incipient wet impregnation method for CLC process applications. Oxygen carriers were characterized by X-ray diffraction (XRD), temperature-programmed reduction (TPR), and scanning electron microscopy with surface energy dispersive x-ray spectroscopy (SEM-EDS). The mechanical strength of the two oxygen carrier particles was determined after the sintering procedure resulting in high crushing force. Reactivity of oxygen carriers was evaluated in a thermobalance with CH4 and H2 gases. Different reaction pathways were attempted when undergoing the redox cycles: total direct reduction of CuO to Cu0 for Cu-K and partial reduction of CuO to Cu2O and CuO to Cu-D. However, the highest reactivity and reaction rate was achieved in Cu-D due to the pore structure of diatomite, the chemical composition and the resulting interaction between CuO and the support. H2 gas reactivity tests showed a higher conversion rate and greater stability between cycles for both oxygen carriers. Thus, the reducible CuO content present in Cu-Diatomite during the reactivity test with H2 as the fuel gas was ideal for achieving high solids conversion, tendency for greater stability and a higher reaction rate.
publishDate 2021
dc.date.none.fl_str_mv 2021-04-03
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://rsdjournal.org/index.php/rsd/article/view/12831
10.33448/rsd-v10i4.12831
url https://rsdjournal.org/index.php/rsd/article/view/12831
identifier_str_mv 10.33448/rsd-v10i4.12831
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://rsdjournal.org/index.php/rsd/article/view/12831/12518
dc.rights.driver.fl_str_mv https://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Research, Society and Development
publisher.none.fl_str_mv Research, Society and Development
dc.source.none.fl_str_mv Research, Society and Development; Vol. 10 No. 4; e15110412831
Research, Society and Development; Vol. 10 Núm. 4; e15110412831
Research, Society and Development; v. 10 n. 4; e15110412831
2525-3409
reponame:Research, Society and Development
instname:Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI
instname_str Universidade Federal de Itajubá (UNIFEI)
instacron_str UNIFEI
institution UNIFEI
reponame_str Research, Society and Development
collection Research, Society and Development
repository.name.fl_str_mv Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)
repository.mail.fl_str_mv rsd.articles@gmail.com
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