K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4.
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFOP |
dARK ID: | ark:/61566/0013000004vkd |
Texto Completo: | http://www.repositorio.ufop.br/handle/123456789/7043 https://doi.org/10.1016/j.molcata.2016.02.006 |
Resumo: | In this study, a new catalyst for biodiesel synthesis, based on K2MgSiO4, was produced from the mineralserpentinite. TG, SEM, XRD, AA, BET analyses showed that serpentinite Mg3Si2O5(OH)4impregnated withKOH (5,10 and 20 wt%), and thermally treated at 500◦C, 700 and 900◦C, can be converted to the main crys-talline phase K2MgSiO4. Analyses by TPD-MS (CO2) and titration suggested the presence of weak/mediumbasic sites in relatively high concentrations. Biodiesel production using soybean oil (methanol:soybean oilratio of 1:12, 1:9; 1:6, 60◦C) showed yields higher than 95% with catalyst at 10 wt%, which can be reusedfor three consecutive times without significant decrease on the reaction yield. The obtained results arediscussed in terms of a new catalytic phase based on K+ions trapped in the cavities of the MgSiO42−structure containing negatively charged oxygen basic sites. |
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K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4.SerpentiniteBiodieselIn this study, a new catalyst for biodiesel synthesis, based on K2MgSiO4, was produced from the mineralserpentinite. TG, SEM, XRD, AA, BET analyses showed that serpentinite Mg3Si2O5(OH)4impregnated withKOH (5,10 and 20 wt%), and thermally treated at 500◦C, 700 and 900◦C, can be converted to the main crys-talline phase K2MgSiO4. Analyses by TPD-MS (CO2) and titration suggested the presence of weak/mediumbasic sites in relatively high concentrations. Biodiesel production using soybean oil (methanol:soybean oilratio of 1:12, 1:9; 1:6, 60◦C) showed yields higher than 95% with catalyst at 10 wt%, which can be reusedfor three consecutive times without significant decrease on the reaction yield. The obtained results arediscussed in terms of a new catalytic phase based on K+ions trapped in the cavities of the MgSiO42−structure containing negatively charged oxygen basic sites.2016-10-06T17:45:02Z2016-10-06T17:45:02Z2016info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfBALLOTIN, F. C. K2MgSiO4: a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. Journal of Molecular Catalysis. A, Chemical, v. 422, p. 258-265, 2016. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1381116916300395>. Acesso em: 26 set. 2016.1381-1169http://www.repositorio.ufop.br/handle/123456789/7043https://doi.org/10.1016/j.molcata.2016.02.006ark:/61566/0013000004vkdO periódico Journal of Molecular Catalysis A: Chemical concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3963030240623.info:eu-repo/semantics/openAccessBallotin, Fabiane CarvalhoCibaka, Thérèse EbambiBenfica, Tatiana Aparecida Ribeiro dos SantosSantos, Eleonice MoreiraTeixeira, Ana Paula de CarvalhoLago, Rochel Monteroengreponame:Repositório Institucional da UFOPinstname:Universidade Federal de Ouro Preto (UFOP)instacron:UFOP2024-11-10T16:14:34Zoai:repositorio.ufop.br:123456789/7043Repositório InstitucionalPUBhttp://www.repositorio.ufop.br/oai/requestrepositorio@ufop.edu.bropendoar:32332024-11-10T16:14:34Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)false |
dc.title.none.fl_str_mv |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. |
title |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. |
spellingShingle |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. Ballotin, Fabiane Carvalho Serpentinite Biodiesel |
title_short |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. |
title_full |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. |
title_fullStr |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. |
title_full_unstemmed |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. |
title_sort |
K2MgSiO4 : a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. |
author |
Ballotin, Fabiane Carvalho |
author_facet |
Ballotin, Fabiane Carvalho Cibaka, Thérèse Ebambi Benfica, Tatiana Aparecida Ribeiro dos Santos Santos, Eleonice Moreira Teixeira, Ana Paula de Carvalho Lago, Rochel Montero |
author_role |
author |
author2 |
Cibaka, Thérèse Ebambi Benfica, Tatiana Aparecida Ribeiro dos Santos Santos, Eleonice Moreira Teixeira, Ana Paula de Carvalho Lago, Rochel Montero |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Ballotin, Fabiane Carvalho Cibaka, Thérèse Ebambi Benfica, Tatiana Aparecida Ribeiro dos Santos Santos, Eleonice Moreira Teixeira, Ana Paula de Carvalho Lago, Rochel Montero |
dc.subject.por.fl_str_mv |
Serpentinite Biodiesel |
topic |
Serpentinite Biodiesel |
description |
In this study, a new catalyst for biodiesel synthesis, based on K2MgSiO4, was produced from the mineralserpentinite. TG, SEM, XRD, AA, BET analyses showed that serpentinite Mg3Si2O5(OH)4impregnated withKOH (5,10 and 20 wt%), and thermally treated at 500◦C, 700 and 900◦C, can be converted to the main crys-talline phase K2MgSiO4. Analyses by TPD-MS (CO2) and titration suggested the presence of weak/mediumbasic sites in relatively high concentrations. Biodiesel production using soybean oil (methanol:soybean oilratio of 1:12, 1:9; 1:6, 60◦C) showed yields higher than 95% with catalyst at 10 wt%, which can be reusedfor three consecutive times without significant decrease on the reaction yield. The obtained results arediscussed in terms of a new catalytic phase based on K+ions trapped in the cavities of the MgSiO42−structure containing negatively charged oxygen basic sites. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-10-06T17:45:02Z 2016-10-06T17:45:02Z 2016 |
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 |
BALLOTIN, F. C. K2MgSiO4: a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. Journal of Molecular Catalysis. A, Chemical, v. 422, p. 258-265, 2016. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1381116916300395>. Acesso em: 26 set. 2016. 1381-1169 http://www.repositorio.ufop.br/handle/123456789/7043 https://doi.org/10.1016/j.molcata.2016.02.006 |
dc.identifier.dark.fl_str_mv |
ark:/61566/0013000004vkd |
identifier_str_mv |
BALLOTIN, F. C. K2MgSiO4: a novel K+-trapped biodiesel heterogeneous catalystproduced from serpentinite Mg3Si2O5(OH)4. Journal of Molecular Catalysis. A, Chemical, v. 422, p. 258-265, 2016. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1381116916300395>. Acesso em: 26 set. 2016. 1381-1169 ark:/61566/0013000004vkd |
url |
http://www.repositorio.ufop.br/handle/123456789/7043 https://doi.org/10.1016/j.molcata.2016.02.006 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
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.source.none.fl_str_mv |
reponame:Repositório Institucional da UFOP instname:Universidade Federal de Ouro Preto (UFOP) instacron:UFOP |
instname_str |
Universidade Federal de Ouro Preto (UFOP) |
instacron_str |
UFOP |
institution |
UFOP |
reponame_str |
Repositório Institucional da UFOP |
collection |
Repositório Institucional da UFOP |
repository.name.fl_str_mv |
Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP) |
repository.mail.fl_str_mv |
repositorio@ufop.edu.br |
_version_ |
1817705758785011712 |