Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo

Detalhes bibliográficos
Autor(a) principal: Ferreira, Gabriela Fontes Deiró
Data de Publicação: 2023
Tipo de documento: Tese
Idioma: por
Título da fonte: Repositório Institucional da UFBA
Texto Completo: https://repositorio.ufba.br/handle/ri/38756
Resumo: O fenômeno de micelização tem sido amplamente estudado nos últimos anos devido às diversas aplicações de sistemas micelares em áreas como química, petroquímica, farmacêutica e ambiental. As micelas são formadas por substâncias anfifílicas, geralmente conhecidas como surfactantes ou tensoativos. Contudo, uma evolução notável nesse campo é a crescente utilização de líquidos iônicos (LI's) como alternativa aos surfactantes comerciais na recuperação avançada de petróleo. Os líquidos iônicos são sais orgânicos que exibem propriedades surfactantes, o que lhes permite serem aplicados na formação de micelas, tornando-os uma opção promissora em processos de recuperação avançada de petróleo. Devido à essas características, muitos estudos têm se dedicado a avaliar o processo de formação de micelas utilizando líquidos iônicos, embora a maioria deles tenha se concentrado nos líquidos iônicos apróticos, havendo uma lacuna de informações sobre os líquidos iônicos próticos. Os líquidos iônicos são capazes de diminuir a tensão interfacial e superficial, mostrando potencial para recuperação de petróleo. Em vista disso, este trabalho propõe estudar seis líquidos iônicos a base de ácido hexanóico como ânion, e cátions com diferentes estruturas. Para síntese desses líquidos utilizou-se como base (cátion) substâncias com grupos nitrogenados e hidrogenados com intuito de avaliar sua influência na formação de micelas. Através de um planejamento estatístico de experimentos, do tipo Delineamento Composto Central Rotacional (DCCR) foi possível determinar a influência da concentração de líquido iônico e de NaCl na tensão interfacial de uma solução de líquido iônico e óleo, uma vez que esse parâmetro está diretamente relacionado a tendência de micelização. Os resultados mostraram que à medida que aumenta a sua concentração, os líquidos iônicos diminuem a tensão interfacial até determinado ponto onde começa a aumentar novamente. Esse efeito é amenizado pela adição de NaCl, que faz com que a tensão interfacial diminua mesmo em concentrações mais elevadas de líquido iônico. Uma abordagem termodinâmica foi utilizada para descrever/prever as condições de formação de micelas a partir de soluções de LI’s próticos estudadas neste trabalho, através da minimização da energia livre de Gibbs. A partir disso, obteve-se a concentração micelar crítica que foi comparada com os valores experimentais para validação do modelo. A modelagem termodinâmica proposta apresentou boa concordância com os dados experimentais para o primeiro valor de concentração micelar crítica, descrevendo uma geometria esférica para as micelas.
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spelling 2023-12-21T11:40:13Z2023-12-21T11:40:13Z2023-10-31Ferreira, Gabriela Fontes Deiró. Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo. Tese (Doutorado) - Escola Politécnica, Universidade Federal da Bahia. Salvador, p.120. 2023.https://repositorio.ufba.br/handle/ri/38756O fenômeno de micelização tem sido amplamente estudado nos últimos anos devido às diversas aplicações de sistemas micelares em áreas como química, petroquímica, farmacêutica e ambiental. As micelas são formadas por substâncias anfifílicas, geralmente conhecidas como surfactantes ou tensoativos. Contudo, uma evolução notável nesse campo é a crescente utilização de líquidos iônicos (LI's) como alternativa aos surfactantes comerciais na recuperação avançada de petróleo. Os líquidos iônicos são sais orgânicos que exibem propriedades surfactantes, o que lhes permite serem aplicados na formação de micelas, tornando-os uma opção promissora em processos de recuperação avançada de petróleo. Devido à essas características, muitos estudos têm se dedicado a avaliar o processo de formação de micelas utilizando líquidos iônicos, embora a maioria deles tenha se concentrado nos líquidos iônicos apróticos, havendo uma lacuna de informações sobre os líquidos iônicos próticos. Os líquidos iônicos são capazes de diminuir a tensão interfacial e superficial, mostrando potencial para recuperação de petróleo. Em vista disso, este trabalho propõe estudar seis líquidos iônicos a base de ácido hexanóico como ânion, e cátions com diferentes estruturas. Para síntese desses líquidos utilizou-se como base (cátion) substâncias com grupos nitrogenados e hidrogenados com intuito de avaliar sua influência na formação de micelas. Através de um planejamento estatístico de experimentos, do tipo Delineamento Composto Central Rotacional (DCCR) foi possível determinar a influência da concentração de líquido iônico e de NaCl na tensão interfacial de uma solução de líquido iônico e óleo, uma vez que esse parâmetro está diretamente relacionado a tendência de micelização. Os resultados mostraram que à medida que aumenta a sua concentração, os líquidos iônicos diminuem a tensão interfacial até determinado ponto onde começa a aumentar novamente. Esse efeito é amenizado pela adição de NaCl, que faz com que a tensão interfacial diminua mesmo em concentrações mais elevadas de líquido iônico. Uma abordagem termodinâmica foi utilizada para descrever/prever as condições de formação de micelas a partir de soluções de LI’s próticos estudadas neste trabalho, através da minimização da energia livre de Gibbs. A partir disso, obteve-se a concentração micelar crítica que foi comparada com os valores experimentais para validação do modelo. A modelagem termodinâmica proposta apresentou boa concordância com os dados experimentais para o primeiro valor de concentração micelar crítica, descrevendo uma geometria esférica para as micelas.The micelle formation has been studied in recent years due to the various applications of micellar systems in areas such as chemistry, petrochemistry, pharmaceuticals, and the environment. Micelles are formed by amphiphilic substances, denominated as surfactants. However, a notable evolution in this field is the increasing use of ionic liquids (ILs) as an alternative to commercial surfactants in enhanced oil recovery. Ionic liquids (ILs) are organic salts that have surfactant properties, which gives them several applications in the form of micelle, making them a promising option in enhanced oil recovery processes. Due to these characteristics, many studies have been dedicated to evaluating the micelle formation process using ionic liquids. However, most published works explore aprotic ionic liquids, and more published data on protic ionic liquids needs to be published. Ionic liquids can decrease interfacial and surface tension, showing potential for oil recovery. Therefore, this work proposes to study six ionic liquids based on hexanoic acid as anion and cations with different structures. To synthesize these liquids, substances with nitrogenous and hydrogenated groups were used as a base (cation) to evaluate their influence on the formation of micelles. Through a statistical design of experiments of the Rotational Central Composite Design (RCCD) type, it was possible to determine the influence of the concentration of ionic liquid and NaCl on the interfacial tension of a solution of ionic liquid and oil since this parameter is directly related to the tendency of micellization. The results showed that as their concentration increases, ionic liquids decrease the interfacial tension to a point where it increases again. This effect is mitigated by adding salt, which causes the interfacial tension to decrease even at higher ionic liquid concentrations. A thermodynamic approach was used to describe and predict the conditions for micelle formation from solutions of protic ILs studied in this work by minimizing the Gibbs free energy. The critical micellar concentration was obtained from this approach, which was compared with the experimental values for model validation. The proposed thermodynamic modeling agreed with the experimental data for the first critical micellar concentration value, describing a spherical geometry for the micelles.Submitted by Gabriela Ferreira (gabrieladeiro@hotmail.com) on 2023-12-19T10:19:43Z No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) Gabriela Fontes Deiró Ferreira - Tese de Doutorado.pdf: 2863315 bytes, checksum: 115e994531109c538ef5ccd98f449b44 (MD5)Approved for entry into archive by Biblioteca Engenharia Processamento Técnico (biengproc@ufba.br) on 2023-12-21T11:40:13Z (GMT) No. of bitstreams: 2 Gabriela Fontes Deiró Ferreira - Tese de Doutorado.pdf: 2863315 bytes, checksum: 115e994531109c538ef5ccd98f449b44 (MD5) license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5)Made available in DSpace on 2023-12-21T11:40:13Z (GMT). No. of bitstreams: 2 Gabriela Fontes Deiró Ferreira - Tese de Doutorado.pdf: 2863315 bytes, checksum: 115e994531109c538ef5ccd98f449b44 (MD5) license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) Previous issue date: 2023-10-31FAPESBporUniversidade Federal da BahiaPrograma de Pós-Graduação em Engenharia Quimica (PPEQ) UFBABrasilEscola PolitécnicaAttribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessSurfactantsInterfacial tensionSurface tensionGibbs free energyIonic liquidPetroleumCNPQ::ENGENHARIAS::ENGENHARIA QUIMICA::PROCESSOS INDUSTRIAIS DE ENGENHARIA QUIMICA::PROCESSOS ORGANICOSSurfactantesTensão InterfacialTensão SuperficialEnergia Livre de GibbsLíquido iônicoPetróleoEstudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleoStudy of the micellization process of protic ionic liquids for application in advanced oil recoveryDoutoradoinfo:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/publishedVersionLobato, Ana Katerine de Carvalho Limattp://lattes.cnpq.br/0152838979924698Santos, Luiz Carlos Lobato doshttp://lattes.cnpq.br/8891045064075199Silva, Silvana Mattedi ehttp://lattes.cnpq.br/8741124364246075da Silva, Ana Cristina MoraisSimonelli, GeorgeLobato, Ana Katerine de Carvalho Limahttps://orcid.org/0000-0003-2006-5074http://lattes.cnpq.br/0152838979924698dos Santos, Luiz Carlos Lobatohttps://orcid.org/0000-0003-3824-7802http://lattes.cnpq.br/8891045064075199Silva, Silvana Mattedi ehttp://lattes.cnpq.br/8741124364246075Filho, Osvaldo Chiavonehttp://lattes.cnpq.br/2621516646153655Rodrigues, Pamela Diashttp://lattes.cnpq.br/4554329622469373http://lattes.cnpq.br/0604137114629084http://lattes.cnpq.br/3421092159521710https://orcid.org/0000-0003-3648-007Xhttp://lattes.cnpq.br/6837902462644236Ferreira, Gabriela Fontes DeiróACHINIVU, E. 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Fluid Phase Equilibria, v. 476, p. 193–201, 25 nov. 2018. WASSERSCHEID, P.; WELTON, T. Ionic Liquids in Synthesis. v. 1, 2008. WHITESIDES, G. M.; BONCHEVA, M. Beyond molecules: Self-assembly of mesoscopic and macroscopic componentsPNAS April. [s.l: s.n.]. Disponível em: <www.pnas.orgcgidoi10.1073pnas.082065899>. XI, S. et al. Thermodynamics, Microstructures, and Solubilization of Block Copolymer Micelles by Density Functional Theory. Langmuir, v. 35, n. 14, p. 5081–5092, 9 abr. 2019. XU, Y. et al. Investigation on the effects of cationic surface active ionic liquid/anionic surfactant mixtures on the interfacial tension of water/crude oil system and their application in enhancing crude oil recovery. Journal of Dispersion Science and Technology, v. 44, n. 1, p. 214–224, 2023. ZEINOLABEDINI HEZAVE, A. et al. Effect of different families (imidazolium and pyridinium) of ionic liquids-based surfactants on interfacial tension of water/crude oil system. 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dc.title.pt_BR.fl_str_mv Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
dc.title.alternative.pt_BR.fl_str_mv Study of the micellization process of protic ionic liquids for application in advanced oil recovery
title Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
spellingShingle Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
Ferreira, Gabriela Fontes Deiró
CNPQ::ENGENHARIAS::ENGENHARIA QUIMICA::PROCESSOS INDUSTRIAIS DE ENGENHARIA QUIMICA::PROCESSOS ORGANICOS
Surfactantes
Tensão Interfacial
Tensão Superficial
Energia Livre de Gibbs
Líquido iônico
Petróleo
Surfactants
Interfacial tension
Surface tension
Gibbs free energy
Ionic liquid
Petroleum
title_short Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
title_full Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
title_fullStr Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
title_full_unstemmed Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
title_sort Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo
author Ferreira, Gabriela Fontes Deiró
author_facet Ferreira, Gabriela Fontes Deiró
author_role author
dc.contributor.refereesLattes.pt_BR.fl_str_mv http://lattes.cnpq.br/0604137114629084
http://lattes.cnpq.br/3421092159521710
dc.contributor.advisor1.fl_str_mv Lobato, Ana Katerine de Carvalho Lima
dc.contributor.advisor1Lattes.fl_str_mv ttp://lattes.cnpq.br/0152838979924698
dc.contributor.advisor-co1.fl_str_mv Santos, Luiz Carlos Lobato dos
dc.contributor.advisor-co1Lattes.fl_str_mv http://lattes.cnpq.br/8891045064075199
dc.contributor.advisor-co2.fl_str_mv Silva, Silvana Mattedi e
dc.contributor.advisor-co2Lattes.fl_str_mv http://lattes.cnpq.br/8741124364246075
dc.contributor.referee1.fl_str_mv da Silva, Ana Cristina Morais
Simonelli, George
Lobato, Ana Katerine de Carvalho Lima
dc.contributor.referee1ID.fl_str_mv https://orcid.org/0000-0003-2006-5074
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/0152838979924698
dc.contributor.referee2.fl_str_mv dos Santos, Luiz Carlos Lobato
dc.contributor.referee2ID.fl_str_mv https://orcid.org/0000-0003-3824-7802
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/8891045064075199
dc.contributor.referee3.fl_str_mv Silva, Silvana Mattedi e
dc.contributor.referee3Lattes.fl_str_mv http://lattes.cnpq.br/8741124364246075
dc.contributor.referee4.fl_str_mv Filho, Osvaldo Chiavone
dc.contributor.referee4Lattes.fl_str_mv http://lattes.cnpq.br/2621516646153655
dc.contributor.referee5.fl_str_mv Rodrigues, Pamela Dias
dc.contributor.referee5Lattes.fl_str_mv http://lattes.cnpq.br/4554329622469373
dc.contributor.authorID.fl_str_mv https://orcid.org/0000-0003-3648-007X
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/6837902462644236
dc.contributor.author.fl_str_mv Ferreira, Gabriela Fontes Deiró
contributor_str_mv Lobato, Ana Katerine de Carvalho Lima
Santos, Luiz Carlos Lobato dos
Silva, Silvana Mattedi e
da Silva, Ana Cristina Morais
Simonelli, George
Lobato, Ana Katerine de Carvalho Lima
dos Santos, Luiz Carlos Lobato
Silva, Silvana Mattedi e
Filho, Osvaldo Chiavone
Rodrigues, Pamela Dias
dc.subject.cnpq.fl_str_mv CNPQ::ENGENHARIAS::ENGENHARIA QUIMICA::PROCESSOS INDUSTRIAIS DE ENGENHARIA QUIMICA::PROCESSOS ORGANICOS
topic CNPQ::ENGENHARIAS::ENGENHARIA QUIMICA::PROCESSOS INDUSTRIAIS DE ENGENHARIA QUIMICA::PROCESSOS ORGANICOS
Surfactantes
Tensão Interfacial
Tensão Superficial
Energia Livre de Gibbs
Líquido iônico
Petróleo
Surfactants
Interfacial tension
Surface tension
Gibbs free energy
Ionic liquid
Petroleum
dc.subject.por.fl_str_mv Surfactantes
Tensão Interfacial
Tensão Superficial
Energia Livre de Gibbs
Líquido iônico
Petróleo
dc.subject.other.pt_BR.fl_str_mv Surfactants
Interfacial tension
Surface tension
Gibbs free energy
Ionic liquid
Petroleum
description O fenômeno de micelização tem sido amplamente estudado nos últimos anos devido às diversas aplicações de sistemas micelares em áreas como química, petroquímica, farmacêutica e ambiental. As micelas são formadas por substâncias anfifílicas, geralmente conhecidas como surfactantes ou tensoativos. Contudo, uma evolução notável nesse campo é a crescente utilização de líquidos iônicos (LI's) como alternativa aos surfactantes comerciais na recuperação avançada de petróleo. Os líquidos iônicos são sais orgânicos que exibem propriedades surfactantes, o que lhes permite serem aplicados na formação de micelas, tornando-os uma opção promissora em processos de recuperação avançada de petróleo. Devido à essas características, muitos estudos têm se dedicado a avaliar o processo de formação de micelas utilizando líquidos iônicos, embora a maioria deles tenha se concentrado nos líquidos iônicos apróticos, havendo uma lacuna de informações sobre os líquidos iônicos próticos. Os líquidos iônicos são capazes de diminuir a tensão interfacial e superficial, mostrando potencial para recuperação de petróleo. Em vista disso, este trabalho propõe estudar seis líquidos iônicos a base de ácido hexanóico como ânion, e cátions com diferentes estruturas. Para síntese desses líquidos utilizou-se como base (cátion) substâncias com grupos nitrogenados e hidrogenados com intuito de avaliar sua influência na formação de micelas. Através de um planejamento estatístico de experimentos, do tipo Delineamento Composto Central Rotacional (DCCR) foi possível determinar a influência da concentração de líquido iônico e de NaCl na tensão interfacial de uma solução de líquido iônico e óleo, uma vez que esse parâmetro está diretamente relacionado a tendência de micelização. Os resultados mostraram que à medida que aumenta a sua concentração, os líquidos iônicos diminuem a tensão interfacial até determinado ponto onde começa a aumentar novamente. Esse efeito é amenizado pela adição de NaCl, que faz com que a tensão interfacial diminua mesmo em concentrações mais elevadas de líquido iônico. Uma abordagem termodinâmica foi utilizada para descrever/prever as condições de formação de micelas a partir de soluções de LI’s próticos estudadas neste trabalho, através da minimização da energia livre de Gibbs. A partir disso, obteve-se a concentração micelar crítica que foi comparada com os valores experimentais para validação do modelo. A modelagem termodinâmica proposta apresentou boa concordância com os dados experimentais para o primeiro valor de concentração micelar crítica, descrevendo uma geometria esférica para as micelas.
publishDate 2023
dc.date.accessioned.fl_str_mv 2023-12-21T11:40:13Z
dc.date.available.fl_str_mv 2023-12-21T11:40:13Z
dc.date.issued.fl_str_mv 2023-10-31
dc.type.driver.fl_str_mv Doutorado
info:eu-repo/semantics/doctoralThesis
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format doctoralThesis
status_str publishedVersion
dc.identifier.citation.fl_str_mv Ferreira, Gabriela Fontes Deiró. Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo. Tese (Doutorado) - Escola Politécnica, Universidade Federal da Bahia. Salvador, p.120. 2023.
dc.identifier.uri.fl_str_mv https://repositorio.ufba.br/handle/ri/38756
identifier_str_mv Ferreira, Gabriela Fontes Deiró. Estudo do processo de micelização de líquido iônicos próticos para aplicação em recuperação avançada de petróleo. Tese (Doutorado) - Escola Politécnica, Universidade Federal da Bahia. Salvador, p.120. 2023.
url https://repositorio.ufba.br/handle/ri/38756
dc.language.iso.fl_str_mv por
language por
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