Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFMG |
Texto Completo: | https://doi.org/10.18540/jcecvl3iss7pp0986-0994 http://hdl.handle.net/1843/54326 https://orcid.org/0000-0002-5638-8249 https://orcid.org/0000-0002-2510-3845 https://orcid.org/0000-0001-5230-3757 |
Resumo: | The deacidification of vegetable oil by liquid-liquid extraction is based on the difference in solubility of the free fatty acids and triacylglycerols in the solvent. In the present study, the determination of the ternary phase diagram of the liquid-liquid equilibrium for a pseudo-ternary mixture of solvent (ethanol and water), neutral oil (triacylglycerols) and free fatty acids was performed. It is important to highlight that the macauba pulp oil sample used did not pass through any kind of treatment such as degumming or neutralization. Therefore, the free fatty acids in the sample are resulted from natural degradation of the macauba oil. Despite of that, the results were similar to those found in other studies with purified macauba oil or other sources of triacylglycerols with the addition of oleic acid. The experimental data were correlated by NRTL model and the global deviation between experimental and calculated concentrations was 2.74%. |
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2023-06-01T18:56:22Z2023-06-01T18:56:22Z201737986994https://doi.org/10.18540/jcecvl3iss7pp0986-09942527-1075http://hdl.handle.net/1843/54326https://orcid.org/0000-0002-5638-8249https://orcid.org/0000-0002-2510-3845https://orcid.org/0000-0001-5230-3757The deacidification of vegetable oil by liquid-liquid extraction is based on the difference in solubility of the free fatty acids and triacylglycerols in the solvent. In the present study, the determination of the ternary phase diagram of the liquid-liquid equilibrium for a pseudo-ternary mixture of solvent (ethanol and water), neutral oil (triacylglycerols) and free fatty acids was performed. It is important to highlight that the macauba pulp oil sample used did not pass through any kind of treatment such as degumming or neutralization. Therefore, the free fatty acids in the sample are resulted from natural degradation of the macauba oil. Despite of that, the results were similar to those found in other studies with purified macauba oil or other sources of triacylglycerols with the addition of oleic acid. The experimental data were correlated by NRTL model and the global deviation between experimental and calculated concentrations was 2.74%.A desacidificação de óleos vegetais através da extração líquido-líquido é baseada nas diferentes solubilidades dos ácidos graxos livres e dos triglicerídeos nos solventes. No presente trabalho, determinou-se o diagrama ternário de equilíbrio de fases da mistura pseudo-ternária de óleo de polpa de macaúba, ácidos graxos livres e solvente (etanol hidratado). É importante ressaltar que as amostras de óleo de polpa de macaúba utilizadas neste trabalho não passaram por nenhum pré-tratamento como degomagem ou neutralização. Dessa forma, os ácidos graxos livres presentes na mistura são resultantes do processo de degradação natural do óleo. Apesar disso, os resultados encontrados foram similares aos resultados encontrados em estudos semelhantes com óleos de macaúba purificados e com adição de ácido oleico. Os parâmetros do modelo NRTL foram levantados a partir dos dados experimentais, obtendo-se um desvio de 2,74% entre os valores de concentração obtidos na prática e através do modelo.engUniversidade Federal de Minas GeraisUFMGBrasilENG - DEPARTAMENTO DE ENGENHARIA QUÍMICAICX - DEPARTAMENTO DE QUÍMICAThe Journal of Engineering and Exact SciencesEngenharia QuímicaÁcidos graxosExtração por solventesExtração (Química)Equilíbrio líquido-líquidoMacaúbaÓleo de macaúbaÓleo de palmeiraLiquid-liquid equilibriumFree fatty acidsAcrocomia aculeataSolvent extractionExtração líquido-líquidoÁcidos graxos livresExtração por solventePhase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºCEstudo do equilíbrio de fases de sistemas compostos por óleo de polpa de macaúba (acrocomia aculeata), ácidos graxos livres e etanol hidratado a 25ºCinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttps://periodicos.ufv.br/jcec/article/view/2329Daniel Bastos de RezendeVanya Márcia Duarte PasaMaria Helena Caño de Andradeapplication/pdfinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFMGinstname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMGORIGINALPhase equilibria study of systems composed of macauba pulp oil.pdfPhase equilibria study of systems composed of macauba pulp oil.pdfapplication/pdf1317586https://repositorio.ufmg.br/bitstream/1843/54326/2/Phase%20equilibria%20study%20of%20systems%20composed%20of%20macauba%20pulp%20oil.pdf5c9bb5569a043c13f218c64b845d391cMD52LICENSELicense.txtLicense.txttext/plain; charset=utf-82042https://repositorio.ufmg.br/bitstream/1843/54326/1/License.txtfa505098d172de0bc8864fc1287ffe22MD511843/543262023-06-01 16:42:10.757oai:repositorio.ufmg.br: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Repositório de PublicaçõesPUBhttps://repositorio.ufmg.br/oaiopendoar:2023-06-01T19:42:10Repositório Institucional da UFMG - Universidade Federal de Minas Gerais (UFMG)false |
dc.title.pt_BR.fl_str_mv |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC |
dc.title.alternative.pt_BR.fl_str_mv |
Estudo do equilíbrio de fases de sistemas compostos por óleo de polpa de macaúba (acrocomia aculeata), ácidos graxos livres e etanol hidratado a 25ºC |
title |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC |
spellingShingle |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC Daniel Bastos de Rezende Liquid-liquid equilibrium Free fatty acids Acrocomia aculeata Solvent extraction Extração líquido-líquido Ácidos graxos livres Extração por solvente Engenharia Química Ácidos graxos Extração por solventes Extração (Química) Equilíbrio líquido-líquido Macaúba Óleo de macaúba Óleo de palmeira |
title_short |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC |
title_full |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC |
title_fullStr |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC |
title_full_unstemmed |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC |
title_sort |
Phase equilibria study of systems composed of macauba pulp oil (acrocomia aculeata), free fatty acids, and hydrous ethanol at 25ºC |
author |
Daniel Bastos de Rezende |
author_facet |
Daniel Bastos de Rezende Vanya Márcia Duarte Pasa Maria Helena Caño de Andrade |
author_role |
author |
author2 |
Vanya Márcia Duarte Pasa Maria Helena Caño de Andrade |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Daniel Bastos de Rezende Vanya Márcia Duarte Pasa Maria Helena Caño de Andrade |
dc.subject.por.fl_str_mv |
Liquid-liquid equilibrium Free fatty acids Acrocomia aculeata Solvent extraction Extração líquido-líquido Ácidos graxos livres Extração por solvente |
topic |
Liquid-liquid equilibrium Free fatty acids Acrocomia aculeata Solvent extraction Extração líquido-líquido Ácidos graxos livres Extração por solvente Engenharia Química Ácidos graxos Extração por solventes Extração (Química) Equilíbrio líquido-líquido Macaúba Óleo de macaúba Óleo de palmeira |
dc.subject.other.pt_BR.fl_str_mv |
Engenharia Química Ácidos graxos Extração por solventes Extração (Química) Equilíbrio líquido-líquido Macaúba Óleo de macaúba Óleo de palmeira |
description |
The deacidification of vegetable oil by liquid-liquid extraction is based on the difference in solubility of the free fatty acids and triacylglycerols in the solvent. In the present study, the determination of the ternary phase diagram of the liquid-liquid equilibrium for a pseudo-ternary mixture of solvent (ethanol and water), neutral oil (triacylglycerols) and free fatty acids was performed. It is important to highlight that the macauba pulp oil sample used did not pass through any kind of treatment such as degumming or neutralization. Therefore, the free fatty acids in the sample are resulted from natural degradation of the macauba oil. Despite of that, the results were similar to those found in other studies with purified macauba oil or other sources of triacylglycerols with the addition of oleic acid. The experimental data were correlated by NRTL model and the global deviation between experimental and calculated concentrations was 2.74%. |
publishDate |
2017 |
dc.date.issued.fl_str_mv |
2017 |
dc.date.accessioned.fl_str_mv |
2023-06-01T18:56:22Z |
dc.date.available.fl_str_mv |
2023-06-01T18:56:22Z |
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/1843/54326 |
dc.identifier.doi.pt_BR.fl_str_mv |
https://doi.org/10.18540/jcecvl3iss7pp0986-0994 |
dc.identifier.issn.pt_BR.fl_str_mv |
2527-1075 |
dc.identifier.orcid.pt_BR.fl_str_mv |
https://orcid.org/0000-0002-5638-8249 https://orcid.org/0000-0002-2510-3845 https://orcid.org/0000-0001-5230-3757 |
url |
https://doi.org/10.18540/jcecvl3iss7pp0986-0994 http://hdl.handle.net/1843/54326 https://orcid.org/0000-0002-5638-8249 https://orcid.org/0000-0002-2510-3845 https://orcid.org/0000-0001-5230-3757 |
identifier_str_mv |
2527-1075 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.none.fl_str_mv |
The Journal of Engineering and Exact Sciences |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais |
dc.publisher.initials.fl_str_mv |
UFMG |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
ENG - DEPARTAMENTO DE ENGENHARIA QUÍMICA ICX - DEPARTAMENTO DE QUÍMICA |
publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais |
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reponame:Repositório Institucional da UFMG instname:Universidade Federal de Minas Gerais (UFMG) instacron:UFMG |
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Repositório Institucional da UFMG |
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