Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst

Detalhes bibliográficos
Autor(a) principal: Santos, Samuel
Data de Publicação: 2019
Outros Autores: Nobre, Gomes, João, Puna, Jaime, Quinta-Ferreira, Rosa, J.C. Bordado, J. Moura Bordado, J.C.M. Bordado
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.21/11405
Resumo: In this study, micro-structured calcium oxide obtained from the calcination (850 degrees C for 3 h) of Gallus gallus domesticus (chicken) eggshells was used as a catalyst in the transesterification of soybean oil. This catalyst was characterized by Scanning Electron Spectroscopy (SEM) methods. The structure of the obtained CaO showed several agglomerates of white granular solids with a non-regular and unsymmetrical shape. In terms of calcium oxide catalytic activity, three different catalyst loadings (1%wt, 3%wt, and 5%wt) were tested for the same reaction conditions, resulting in transesterification yields of 77.27%wt, 84.53%wt, and 85.83%wt respectively. The results were compared to the current literature, and whilst they were lower, they were promising, allowing us to conclude that the tendency of yield improvement for this reaction, when the size range of catalyst particles is to be reduced to a nano scale, can be verified.
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spelling Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalystBiodieselCalcium oxideTransesterificationEggshellSolid base heterogeneous catalystMicro- and nano-structured catalystsIn this study, micro-structured calcium oxide obtained from the calcination (850 degrees C for 3 h) of Gallus gallus domesticus (chicken) eggshells was used as a catalyst in the transesterification of soybean oil. This catalyst was characterized by Scanning Electron Spectroscopy (SEM) methods. The structure of the obtained CaO showed several agglomerates of white granular solids with a non-regular and unsymmetrical shape. In terms of calcium oxide catalytic activity, three different catalyst loadings (1%wt, 3%wt, and 5%wt) were tested for the same reaction conditions, resulting in transesterification yields of 77.27%wt, 84.53%wt, and 85.83%wt respectively. The results were compared to the current literature, and whilst they were lower, they were promising, allowing us to conclude that the tendency of yield improvement for this reaction, when the size range of catalyst particles is to be reduced to a nano scale, can be verified.MDPIRCIPLSantos, SamuelNobreGomes, JoãoPuna, JaimeQuinta-Ferreira, RosaJ.C. Bordado, J. Moura Bordado, J.C.M. Bordado2020-04-03T16:32:06Z2019-12-022019-12-02T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.21/11405engSANTOS, Samuel; [et al] – Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst. Energies. ISSN 1996-1073. Vol. 12, N.º 24 (2019), pp. 1-101996-107310.3390/en12244670info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-03T10:02:38Zoai:repositorio.ipl.pt:10400.21/11405Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:19:39.903469Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
title Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
spellingShingle Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
Santos, Samuel
Biodiesel
Calcium oxide
Transesterification
Eggshell
Solid base heterogeneous catalyst
Micro- and nano-structured catalysts
title_short Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
title_full Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
title_fullStr Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
title_full_unstemmed Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
title_sort Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst
author Santos, Samuel
author_facet Santos, Samuel
Nobre
Gomes, João
Puna, Jaime
Quinta-Ferreira, Rosa
J.C. Bordado, J. Moura Bordado, J.C.M. Bordado
author_role author
author2 Nobre
Gomes, João
Puna, Jaime
Quinta-Ferreira, Rosa
J.C. Bordado, J. Moura Bordado, J.C.M. Bordado
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv RCIPL
dc.contributor.author.fl_str_mv Santos, Samuel
Nobre
Gomes, João
Puna, Jaime
Quinta-Ferreira, Rosa
J.C. Bordado, J. Moura Bordado, J.C.M. Bordado
dc.subject.por.fl_str_mv Biodiesel
Calcium oxide
Transesterification
Eggshell
Solid base heterogeneous catalyst
Micro- and nano-structured catalysts
topic Biodiesel
Calcium oxide
Transesterification
Eggshell
Solid base heterogeneous catalyst
Micro- and nano-structured catalysts
description In this study, micro-structured calcium oxide obtained from the calcination (850 degrees C for 3 h) of Gallus gallus domesticus (chicken) eggshells was used as a catalyst in the transesterification of soybean oil. This catalyst was characterized by Scanning Electron Spectroscopy (SEM) methods. The structure of the obtained CaO showed several agglomerates of white granular solids with a non-regular and unsymmetrical shape. In terms of calcium oxide catalytic activity, three different catalyst loadings (1%wt, 3%wt, and 5%wt) were tested for the same reaction conditions, resulting in transesterification yields of 77.27%wt, 84.53%wt, and 85.83%wt respectively. The results were compared to the current literature, and whilst they were lower, they were promising, allowing us to conclude that the tendency of yield improvement for this reaction, when the size range of catalyst particles is to be reduced to a nano scale, can be verified.
publishDate 2019
dc.date.none.fl_str_mv 2019-12-02
2019-12-02T00:00:00Z
2020-04-03T16:32:06Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.21/11405
url http://hdl.handle.net/10400.21/11405
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv SANTOS, Samuel; [et al] – Soybean oil transesterification for biodiesel production with micro-structured calcium oxide (CaO) from natural waste materials as a heterogeneous catalyst. Energies. ISSN 1996-1073. Vol. 12, N.º 24 (2019), pp. 1-10
1996-1073
10.3390/en12244670
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.publisher.none.fl_str_mv MDPI
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collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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