Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRN |
Texto Completo: | https://repositorio.ufrn.br/handle/123456789/38944 |
Resumo: | CaO is the most used heterogeneous catalyst in transesterification reactions due to its high catalytic activity, low solubility in methanol, non-toxicity, and low cost. One of the greatest disadvantages of using CaO is its predisposition to react with H2O and CO2 present in the atmosphere forming Ca(OH)2 and CaCO3, respectively. Therefore, the objective of this study is to investigate the catalytic capacity of the catalyst derived from calcined chicken eggshells on different days after calcination. The catalyst used was produced under a temperature of 800 °C during a period of 160 minutes. The catalytic solid was characterized on days 1, 2, 3, 4, and 15 after calcination by X-ray fluorescence (XRF), X-ray diffraction (XRD); thermogravimetric analysis (TGA); transmission electron microscopy (TEM); Brunauer, Emmett, and Teller isotherm (BET); and Hammett analysis techniques. The reaction occurred at a temperature of 65 °C, had a molar ratio of 12:1 alcohol/oil, used 6% catalyst, and was carried over a period of 3 hours. The results showed that the rehydration and carbonation processes did not significantly affect the CaO |
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Cordeiro, D. O.Silva, J. E.Oliveira, A. A. S.Batista, W. G. S.Barros Neto, Eduardo Lins de2021-09-27T13:51:48Z2021-09-27T13:51:48Z2019-04-03CORDEIRO, D. O. ; SILVA, J. E. ; OLIVEIRA, A. A. S. ; BATISTA, W. G. S. ; BARROS NETO, E. L. . INFLUENCE OF CARBONATION AND REHYDRATION ON CAO DERIVED FROM CALCINING CHICKEN EGGSHELLS IN THE CATALYTIC PROCESS OF SOYBEAN OIL TRANSESTERIFICATION. BRAZILIAN JOURNAL OF PETROLEUM AND GAS, v. 13, p. 21-37, 2019. Disponível em: file:///C:/Users/tadeu/Downloads/InfluenceOfCarbonation_BARROSNETO_2019.pdf. Acesso em: 31 mai. 2021. http://dx.doi.org/10.5419/bjpg2019-00031982-0593https://repositorio.ufrn.br/handle/123456789/3894410.5419/bjpg2019-0003CaO is the most used heterogeneous catalyst in transesterification reactions due to its high catalytic activity, low solubility in methanol, non-toxicity, and low cost. One of the greatest disadvantages of using CaO is its predisposition to react with H2O and CO2 present in the atmosphere forming Ca(OH)2 and CaCO3, respectively. Therefore, the objective of this study is to investigate the catalytic capacity of the catalyst derived from calcined chicken eggshells on different days after calcination. The catalyst used was produced under a temperature of 800 °C during a period of 160 minutes. The catalytic solid was characterized on days 1, 2, 3, 4, and 15 after calcination by X-ray fluorescence (XRF), X-ray diffraction (XRD); thermogravimetric analysis (TGA); transmission electron microscopy (TEM); Brunauer, Emmett, and Teller isotherm (BET); and Hammett analysis techniques. The reaction occurred at a temperature of 65 °C, had a molar ratio of 12:1 alcohol/oil, used 6% catalyst, and was carried over a period of 3 hours. The results showed that the rehydration and carbonation processes did not significantly affect the CaOCaO is the most used heterogeneous catalyst in transesterification reactions due to its high catalytic activity, low solubility in methanol, non-toxicity, and low cost. One of the greatest disadvantages of using CaO is its predisposition to react with H2O and CO2 present in the atmosphere forming Ca(OH)2 and CaCO3, respectively. Therefore, the objective of this study is to investigate the catalytic capacity of the catalyst derived from calcined chicken eggshells on different days after calcination. The catalyst used was produced under a temperature of 800 °C during a period of 160 minutes. The catalytic solid was characterized on days 1, 2, 3, 4, and 15 after calcination by X-ray fluorescence (XRF), X-ray diffraction (XRD); thermogravimetric analysis (TGA); transmission electron microscopy (TEM); Brunauer, Emmett, and Teller isotherm (BET); and Hammett analysis techniques. The reaction occurred at a temperature of 65 °C, had a molar ratio of 12:1 alcohol/oil, used 6% catalyst, and was carried over a period of 3 hours. The results showed that the rehydration and carbonation processes did not significantly affect the CaOAssociação Brasileira de Petróleo e GásBiodieselHeterogeneous catalystsCalcium oxideRehydrationCarbonationInfluence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterificationinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFRNinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNinfo:eu-repo/semantics/openAccessORIGINALInfluenceOfCarbonation_BARROSNETO_2019.pdfInfluenceOfCarbonation_BARROSNETO_2019.pdfArtigoapplication/pdf2200932https://repositorio.ufrn.br/bitstream/123456789/38944/1/InfluenceOfCarbonation_BARROSNETO_2019.pdfc2d97d659ee35fe5c0ab2fcc84e4f817MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81484https://repositorio.ufrn.br/bitstream/123456789/38944/2/license.txte9597aa2854d128fd968be5edc8a28d9MD52123456789/389442021-09-27 10:51:48.894oai:https://repositorio.ufrn.br:123456789/38944Tk9OLUVYQ0xVU0lWRSBESVNUUklCVVRJT04gTElDRU5TRQoKCkJ5IHNpZ25pbmcgYW5kIGRlbGl2ZXJpbmcgdGhpcyBsaWNlbnNlLCBNci4gKGF1dGhvciBvciBjb3B5cmlnaHQgaG9sZGVyKToKCgphKSBHcmFudHMgdGhlIFVuaXZlcnNpZGFkZSBGZWRlcmFsIFJpbyBHcmFuZGUgZG8gTm9ydGUgdGhlIG5vbi1leGNsdXNpdmUgcmlnaHQgb2YKcmVwcm9kdWNlLCBjb252ZXJ0IChhcyBkZWZpbmVkIGJlbG93KSwgY29tbXVuaWNhdGUgYW5kIC8gb3IKZGlzdHJpYnV0ZSB0aGUgZGVsaXZlcmVkIGRvY3VtZW50IChpbmNsdWRpbmcgYWJzdHJhY3QgLyBhYnN0cmFjdCkgaW4KZGlnaXRhbCBvciBwcmludGVkIGZvcm1hdCBhbmQgaW4gYW55IG1lZGl1bS4KCmIpIERlY2xhcmVzIHRoYXQgdGhlIGRvY3VtZW50IHN1Ym1pdHRlZCBpcyBpdHMgb3JpZ2luYWwgd29yaywgYW5kIHRoYXQKeW91IGhhdmUgdGhlIHJpZ2h0IHRvIGdyYW50IHRoZSByaWdodHMgY29udGFpbmVkIGluIHRoaXMgbGljZW5zZS4gRGVjbGFyZXMKdGhhdCB0aGUgZGVsaXZlcnkgb2YgdGhlIGRvY3VtZW50IGRvZXMgbm90IGluZnJpbmdlLCBhcyBmYXIgYXMgaXQgaXMKdGhlIHJpZ2h0cyBvZiBhbnkgb3RoZXIgcGVyc29uIG9yIGVudGl0eS4KCmMpIElmIHRoZSBkb2N1bWVudCBkZWxpdmVyZWQgY29udGFpbnMgbWF0ZXJpYWwgd2hpY2ggZG9lcyBub3QKcmlnaHRzLCBkZWNsYXJlcyB0aGF0IGl0IGhhcyBvYnRhaW5lZCBhdXRob3JpemF0aW9uIGZyb20gdGhlIGhvbGRlciBvZiB0aGUKY29weXJpZ2h0IHRvIGdyYW50IHRoZSBVbml2ZXJzaWRhZGUgRmVkZXJhbCBkbyBSaW8gR3JhbmRlIGRvIE5vcnRlIHRoZSByaWdodHMgcmVxdWlyZWQgYnkgdGhpcyBsaWNlbnNlLCBhbmQgdGhhdCB0aGlzIG1hdGVyaWFsIHdob3NlIHJpZ2h0cyBhcmUgb2YKdGhpcmQgcGFydGllcyBpcyBjbGVhcmx5IGlkZW50aWZpZWQgYW5kIHJlY29nbml6ZWQgaW4gdGhlIHRleHQgb3IKY29udGVudCBvZiB0aGUgZG9jdW1lbnQgZGVsaXZlcmVkLgoKSWYgdGhlIGRvY3VtZW50IHN1Ym1pdHRlZCBpcyBiYXNlZCBvbiBmdW5kZWQgb3Igc3VwcG9ydGVkIHdvcmsKYnkgYW5vdGhlciBpbnN0aXR1dGlvbiBvdGhlciB0aGFuIHRoZSBVbml2ZXJzaWRhZGUgRmVkZXJhbCBkbyBSaW8gR3JhbmRlIGRvIE5vcnRlLCBkZWNsYXJlcyB0aGF0IGl0IGhhcyBmdWxmaWxsZWQgYW55IG9ibGlnYXRpb25zIHJlcXVpcmVkIGJ5IHRoZSByZXNwZWN0aXZlIGFncmVlbWVudCBvciBhZ3JlZW1lbnQuCgpUaGUgVW5pdmVyc2lkYWRlIEZlZGVyYWwgZG8gUmlvIEdyYW5kZSBkbyBOb3J0ZSB3aWxsIGNsZWFybHkgaWRlbnRpZnkgaXRzIG5hbWUgKHMpIGFzIHRoZSBhdXRob3IgKHMpIG9yIGhvbGRlciAocykgb2YgdGhlIGRvY3VtZW50J3MgcmlnaHRzCmRlbGl2ZXJlZCwgYW5kIHdpbGwgbm90IG1ha2UgYW55IGNoYW5nZXMsIG90aGVyIHRoYW4gdGhvc2UgcGVybWl0dGVkIGJ5CnRoaXMgbGljZW5zZQo=Repositório de PublicaçõesPUBhttp://repositorio.ufrn.br/oai/opendoar:2021-09-27T13:51:48Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)false |
dc.title.pt_BR.fl_str_mv |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification |
title |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification |
spellingShingle |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification Cordeiro, D. O. Biodiesel Heterogeneous catalysts Calcium oxide Rehydration Carbonation |
title_short |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification |
title_full |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification |
title_fullStr |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification |
title_full_unstemmed |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification |
title_sort |
Influence of carbonation and rehydration on CAO derived from calcining chicken eggshells in the catalytic process of soybean oil transesterification |
author |
Cordeiro, D. O. |
author_facet |
Cordeiro, D. O. Silva, J. E. Oliveira, A. A. S. Batista, W. G. S. Barros Neto, Eduardo Lins de |
author_role |
author |
author2 |
Silva, J. E. Oliveira, A. A. S. Batista, W. G. S. Barros Neto, Eduardo Lins de |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Cordeiro, D. O. Silva, J. E. Oliveira, A. A. S. Batista, W. G. S. Barros Neto, Eduardo Lins de |
dc.subject.por.fl_str_mv |
Biodiesel Heterogeneous catalysts Calcium oxide Rehydration Carbonation |
topic |
Biodiesel Heterogeneous catalysts Calcium oxide Rehydration Carbonation |
description |
CaO is the most used heterogeneous catalyst in transesterification reactions due to its high catalytic activity, low solubility in methanol, non-toxicity, and low cost. One of the greatest disadvantages of using CaO is its predisposition to react with H2O and CO2 present in the atmosphere forming Ca(OH)2 and CaCO3, respectively. Therefore, the objective of this study is to investigate the catalytic capacity of the catalyst derived from calcined chicken eggshells on different days after calcination. The catalyst used was produced under a temperature of 800 °C during a period of 160 minutes. The catalytic solid was characterized on days 1, 2, 3, 4, and 15 after calcination by X-ray fluorescence (XRF), X-ray diffraction (XRD); thermogravimetric analysis (TGA); transmission electron microscopy (TEM); Brunauer, Emmett, and Teller isotherm (BET); and Hammett analysis techniques. The reaction occurred at a temperature of 65 °C, had a molar ratio of 12:1 alcohol/oil, used 6% catalyst, and was carried over a period of 3 hours. The results showed that the rehydration and carbonation processes did not significantly affect the CaO |
publishDate |
2019 |
dc.date.issued.fl_str_mv |
2019-04-03 |
dc.date.accessioned.fl_str_mv |
2021-09-27T13:51:48Z |
dc.date.available.fl_str_mv |
2021-09-27T13:51:48Z |
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.citation.fl_str_mv |
CORDEIRO, D. O. ; SILVA, J. E. ; OLIVEIRA, A. A. S. ; BATISTA, W. G. S. ; BARROS NETO, E. L. . INFLUENCE OF CARBONATION AND REHYDRATION ON CAO DERIVED FROM CALCINING CHICKEN EGGSHELLS IN THE CATALYTIC PROCESS OF SOYBEAN OIL TRANSESTERIFICATION. BRAZILIAN JOURNAL OF PETROLEUM AND GAS, v. 13, p. 21-37, 2019. Disponível em: file:///C:/Users/tadeu/Downloads/InfluenceOfCarbonation_BARROSNETO_2019.pdf. Acesso em: 31 mai. 2021. http://dx.doi.org/10.5419/bjpg2019-0003 |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufrn.br/handle/123456789/38944 |
dc.identifier.issn.none.fl_str_mv |
1982-0593 |
dc.identifier.doi.none.fl_str_mv |
10.5419/bjpg2019-0003 |
identifier_str_mv |
CORDEIRO, D. O. ; SILVA, J. E. ; OLIVEIRA, A. A. S. ; BATISTA, W. G. S. ; BARROS NETO, E. L. . INFLUENCE OF CARBONATION AND REHYDRATION ON CAO DERIVED FROM CALCINING CHICKEN EGGSHELLS IN THE CATALYTIC PROCESS OF SOYBEAN OIL TRANSESTERIFICATION. BRAZILIAN JOURNAL OF PETROLEUM AND GAS, v. 13, p. 21-37, 2019. Disponível em: file:///C:/Users/tadeu/Downloads/InfluenceOfCarbonation_BARROSNETO_2019.pdf. Acesso em: 31 mai. 2021. http://dx.doi.org/10.5419/bjpg2019-0003 1982-0593 10.5419/bjpg2019-0003 |
url |
https://repositorio.ufrn.br/handle/123456789/38944 |
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eng |
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eng |
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info:eu-repo/semantics/openAccess |
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Associação Brasileira de Petróleo e Gás |
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Associação Brasileira de Petróleo e Gás |
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