Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRRJ |
Texto Completo: | https://tede.ufrrj.br/jspui/handle/tede/353 |
Resumo: | The use of acid catalysts for biodiesel is an alternative to conventional catalysts. Despite being slower, can transesterified triglycerides and produce esterification of free fatty acids and suffer little influence of water, which may be present in the raw material. This work aimed to evaluate the use of zeolite catalyst with acid characteristics, such as heterogeneous catalyst in the transesterification of soybean oil with anhydrous ethanol, in order to produce ethyl esters (biodiesel). Tests were conducted to assess the influence of different process parameters such as the proportions of catalyst (0.25, 0.5, 1, 2 4 6 8% p / p for the quantity of soybean oil used) and variations temperatures (60, 80, 100 and 110 oC). Was used as a method of evaluating the efficiency of the reaction the viscosity of the final product, purified, and the ester content in the samples, there was also a test to reduce acidity, using the oleic acid. It was found, with all tests, the zeolite catalyst has not proved effective in the reaction of alcoholysis of soybean oil, which was observed for all parameters studied, there was not converting well, according to the norms of standard quality of biodiesel produced. There was also that for the reaction of esterification of fatty acid the catalyst did not achieve good results, reducing the acidity in only 25%. |
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Machado J?nior, H?lio Fernandes865.780.307-00096.632.027-98http://lattes.cnpq.br/6094378623009269Blanc, R?mulo Vieira2016-04-26T19:51:55Z2010-09-132009-11-13BLANC, R?mulo Vieira. Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel. 2009. Disserta??o (Mestrado em Engenharia Qu?mica) - Instituto de Tecnologia, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2009.https://tede.ufrrj.br/jspui/handle/tede/353The use of acid catalysts for biodiesel is an alternative to conventional catalysts. Despite being slower, can transesterified triglycerides and produce esterification of free fatty acids and suffer little influence of water, which may be present in the raw material. This work aimed to evaluate the use of zeolite catalyst with acid characteristics, such as heterogeneous catalyst in the transesterification of soybean oil with anhydrous ethanol, in order to produce ethyl esters (biodiesel). Tests were conducted to assess the influence of different process parameters such as the proportions of catalyst (0.25, 0.5, 1, 2 4 6 8% p / p for the quantity of soybean oil used) and variations temperatures (60, 80, 100 and 110 oC). Was used as a method of evaluating the efficiency of the reaction the viscosity of the final product, purified, and the ester content in the samples, there was also a test to reduce acidity, using the oleic acid. It was found, with all tests, the zeolite catalyst has not proved effective in the reaction of alcoholysis of soybean oil, which was observed for all parameters studied, there was not converting well, according to the norms of standard quality of biodiesel produced. There was also that for the reaction of esterification of fatty acid the catalyst did not achieve good results, reducing the acidity in only 25%.O uso de catalisadores ?cidos na produ??o de biodiesel ? uma alternativa aos catalisadores convencionais. Mesmo sendo mais lentos, conseguem transesterificar os triglicer?deos e esterificar os ?cidos graxos livres, al?m de sofrerem pouca influ?ncia da ?gua, que possa estar presente na mat?ria-prima. Esta disserta??o teve como objetivo avaliar o uso de catalisador zeol?tico, com caracter?sticas ?cidas, como catalisador heterog?neo na transesterifica??o de ?leo de soja com etanol anidro, com intuito de produzir ?steres et?licos (biodiesel). Foram realizados testes para verifica??o da influ?ncia de diferentes par?metros de processo, como as propor??es de catalisador (0,25, 0,5, 1, 2 4 6 8%p/p em rela??o ? quantidade de ?leo de soja utilizado) e varia??es de temperaturas (60, 80, 100 e 110oC). Utilizou-se como m?todo de avalia??o do rendimento da rea??o a viscosidade do produto final, purificado, e o teor de ?steres presente nas amostras, realizou-se tamb?m um teste de redu??o de acidez, utilizando para tal o ?cido oleico. Verificou-se, com todos os testes realizados, que o catalisador zeol?tico n?o se mostrou efetivo na rea??o de etan?lise do ?leo de soja, sendo observado que para todos os par?metros estudados, n?o houve convers?o satisfat?ria, de acordo com as normas vigentes de padr?o de qualidade do biodiesel produzido. Observou-se, tamb?m, que para a rea??o de esterifica??o de ?cido graxo o catalisador n?o obteve bons resultados, reduzindo a acidez em somente 25%.Made available in DSpace on 2016-04-26T19:51:55Z (GMT). No. of bitstreams: 1 2009 - Romulo Vieira Blanc.pdf: 525915 bytes, checksum: 38ce9364e4ba76c8d0c89c0d1069cb1a (MD5) Previous issue date: 2009-11-13application/pdfhttps://tede.ufrrj.br/retrieve/9649/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpghttps://tede.ufrrj.br/retrieve/18244/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpghttps://tede.ufrrj.br/retrieve/24578/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpghttps://tede.ufrrj.br/retrieve/30979/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpghttps://tede.ufrrj.br/retrieve/37327/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpghttps://tede.ufrrj.br/retrieve/43727/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpghttps://tede.ufrrj.br/retrieve/50075/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpghttps://tede.ufrrj.br/retrieve/56545/2009%20-%20R%c3%b4mulo%20Vieira%20Blanc.pdf.jpgporUniversidade Federal Rural do Rio de JaneiroPrograma de P?s-Gradua??o em Engenharia Qu?micaUFRRJBrasilInstituto de Tecnologiatransesterifica??oetan?lisecat?lise heterog?neatransesterificationethanolysisheterogeneous catalysisEngenharia Qu?micaAvalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodieselinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRRJinstname:Universidade Federal Rural do Rio de Janeiro (UFRRJ)instacron:UFRRJTHUMBNAIL2009 - R?mulo Vieira Blanc.pdf.jpg2009 - R?mulo Vieira Blanc.pdf.jpgimage/jpeg1943http://localhost:8080/tede/bitstream/tede/353/17/2009+-+R%C3%B4mulo+Vieira+Blanc.pdf.jpgcc73c4c239a4c332d642ba1e7c7a9fb2MD517TEXT2009 - R?mulo Vieira Blanc.pdf.txt2009 - R?mulo Vieira Blanc.pdf.txttext/plain108115http://localhost:8080/tede/bitstream/tede/353/16/2009+-+R%C3%B4mulo+Vieira+Blanc.pdf.txt056c4231c13e993d8692c671db1ebd62MD516ORIGINAL2009 - R?mulo Vieira Blanc.pdf2009 - R?mulo Vieira Blanc.pdfapplication/pdf526680http://localhost:8080/tede/bitstream/tede/353/1/2009+-+R%C3%B4mulo+Vieira+Blanc.pdf1f99a87bbd9602f68b813b69e7dd323fMD51tede/3532022-03-23 17:38:00.768oai:localhost:tede/353Biblioteca Digital de Teses e Dissertaçõeshttps://tede.ufrrj.br/PUBhttps://tede.ufrrj.br/oai/requestbibliot@ufrrj.br||bibliot@ufrrj.bropendoar:2022-03-23T20:38Biblioteca Digital de Teses e Dissertações da UFRRJ - Universidade Federal Rural do Rio de Janeiro (UFRRJ)false |
dc.title.por.fl_str_mv |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel |
title |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel |
spellingShingle |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel Blanc, R?mulo Vieira transesterifica??o etan?lise cat?lise heterog?nea transesterification ethanolysis heterogeneous catalysis Engenharia Qu?mica |
title_short |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel |
title_full |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel |
title_fullStr |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel |
title_full_unstemmed |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel |
title_sort |
Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel |
author |
Blanc, R?mulo Vieira |
author_facet |
Blanc, R?mulo Vieira |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Machado J?nior, H?lio Fernandes |
dc.contributor.advisor1ID.fl_str_mv |
865.780.307-00 |
dc.contributor.authorID.fl_str_mv |
096.632.027-98 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/6094378623009269 |
dc.contributor.author.fl_str_mv |
Blanc, R?mulo Vieira |
contributor_str_mv |
Machado J?nior, H?lio Fernandes |
dc.subject.por.fl_str_mv |
transesterifica??o etan?lise cat?lise heterog?nea |
topic |
transesterifica??o etan?lise cat?lise heterog?nea transesterification ethanolysis heterogeneous catalysis Engenharia Qu?mica |
dc.subject.eng.fl_str_mv |
transesterification ethanolysis heterogeneous catalysis |
dc.subject.cnpq.fl_str_mv |
Engenharia Qu?mica |
description |
The use of acid catalysts for biodiesel is an alternative to conventional catalysts. Despite being slower, can transesterified triglycerides and produce esterification of free fatty acids and suffer little influence of water, which may be present in the raw material. This work aimed to evaluate the use of zeolite catalyst with acid characteristics, such as heterogeneous catalyst in the transesterification of soybean oil with anhydrous ethanol, in order to produce ethyl esters (biodiesel). Tests were conducted to assess the influence of different process parameters such as the proportions of catalyst (0.25, 0.5, 1, 2 4 6 8% p / p for the quantity of soybean oil used) and variations temperatures (60, 80, 100 and 110 oC). Was used as a method of evaluating the efficiency of the reaction the viscosity of the final product, purified, and the ester content in the samples, there was also a test to reduce acidity, using the oleic acid. It was found, with all tests, the zeolite catalyst has not proved effective in the reaction of alcoholysis of soybean oil, which was observed for all parameters studied, there was not converting well, according to the norms of standard quality of biodiesel produced. There was also that for the reaction of esterification of fatty acid the catalyst did not achieve good results, reducing the acidity in only 25%. |
publishDate |
2009 |
dc.date.issued.fl_str_mv |
2009-11-13 |
dc.date.available.fl_str_mv |
2010-09-13 |
dc.date.accessioned.fl_str_mv |
2016-04-26T19:51:55Z |
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info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
BLANC, R?mulo Vieira. Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel. 2009. Disserta??o (Mestrado em Engenharia Qu?mica) - Instituto de Tecnologia, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2009. |
dc.identifier.uri.fl_str_mv |
https://tede.ufrrj.br/jspui/handle/tede/353 |
identifier_str_mv |
BLANC, R?mulo Vieira. Avalia??o do uso de catalisador zeol?tico ?cido na produ??o de biodiesel. 2009. Disserta??o (Mestrado em Engenharia Qu?mica) - Instituto de Tecnologia, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2009. |
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Universidade Federal Rural do Rio de Janeiro |
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Programa de P?s-Gradua??o em Engenharia Qu?mica |
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UFRRJ |
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Brasil |
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Instituto de Tecnologia |
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Universidade Federal Rural do Rio de Janeiro |
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