Efeito do cromo nas propriedades catalíticas da MCM-41
Autor(a) principal: | |
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Data de Publicação: | 2005 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFBA |
Texto Completo: | http://www.repositorio.ufba.br/ri/handle/ri/4806 |
Resumo: | p. 37-41,Jan./Feb. |
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Oliveira, Alcineia ConceiçãoVarela, Maria do Carmo Rangel SantosFierro, José Luís GarciaReyes, PatrícioOportus, MarceloOliveira, Alcineia ConceiçãoVarela, Maria do Carmo Rangel SantosFierro, José Luís GarciaReyes, PatrícioOportus, Marcelo2011-12-12T12:52:44Z2011-12-12T12:52:44Z20050100-4042http://www.repositorio.ufba.br/ri/handle/ri/4806v. 28, n. 1.p. 37-41,Jan./Feb.The effect of chromium on the catalytic properties of MCM-41 was evaluated in order to develop new catalysts for the trimethylbenzene transalkylation with benzene to produce ethylbenzene, a high-value aromatic in the industry. It was found that chromium decreases the specific surface area but increases the acidity, turning MCM-41 into an active and selective catalyst for ethylbenzene and toluene production. The coke produced on the catalyst is hydrogenated and mainly located outside the pores and thus can be easily removed. The catalyst is more active and selective than mordenite, a commercial catalyst, and thus more promising for commercial applications.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2011-12-12T12:52:44Z No. of bitstreams: 1 23034.pdf: 276220 bytes, checksum: 727c2d2f46d69ff7be8405058563ef97 (MD5)Made available in DSpace on 2011-12-12T12:52:44Z (GMT). No. of bitstreams: 1 23034.pdf: 276220 bytes, checksum: 727c2d2f46d69ff7be8405058563ef97 (MD5) Previous issue date: 2005São Paulohttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000100007&lng=en&nrm=isoreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAMesoporous materialsEthylbenzeneTransalkylationEfeito do cromo nas propriedades catalíticas da MCM-41Química Novainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleporinfo:eu-repo/semantics/openAccessORIGINAL23034.pdf23034.pdfapplication/pdf276220https://repositorio.ufba.br/bitstream/ri/4806/1/23034.pdf727c2d2f46d69ff7be8405058563ef97MD51LICENSElicense.txtlicense.txttext/plain1748https://repositorio.ufba.br/bitstream/ri/4806/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52TEXT23034.pdf.txt23034.pdf.txtExtracted texttext/plain22587https://repositorio.ufba.br/bitstream/ri/4806/3/23034.pdf.txte38cc417e1901e7aaa9f970fafdc9935MD53ri/48062022-07-05 14:03:16.918oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:16Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Efeito do cromo nas propriedades catalíticas da MCM-41 |
dc.title.alternative.pt_BR.fl_str_mv |
Química Nova |
title |
Efeito do cromo nas propriedades catalíticas da MCM-41 |
spellingShingle |
Efeito do cromo nas propriedades catalíticas da MCM-41 Oliveira, Alcineia Conceição Mesoporous materials Ethylbenzene Transalkylation |
title_short |
Efeito do cromo nas propriedades catalíticas da MCM-41 |
title_full |
Efeito do cromo nas propriedades catalíticas da MCM-41 |
title_fullStr |
Efeito do cromo nas propriedades catalíticas da MCM-41 |
title_full_unstemmed |
Efeito do cromo nas propriedades catalíticas da MCM-41 |
title_sort |
Efeito do cromo nas propriedades catalíticas da MCM-41 |
author |
Oliveira, Alcineia Conceição |
author_facet |
Oliveira, Alcineia Conceição Varela, Maria do Carmo Rangel Santos Fierro, José Luís Garcia Reyes, Patrício Oportus, Marcelo |
author_role |
author |
author2 |
Varela, Maria do Carmo Rangel Santos Fierro, José Luís Garcia Reyes, Patrício Oportus, Marcelo |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Oliveira, Alcineia Conceição Varela, Maria do Carmo Rangel Santos Fierro, José Luís Garcia Reyes, Patrício Oportus, Marcelo Oliveira, Alcineia Conceição Varela, Maria do Carmo Rangel Santos Fierro, José Luís Garcia Reyes, Patrício Oportus, Marcelo |
dc.subject.por.fl_str_mv |
Mesoporous materials Ethylbenzene Transalkylation |
topic |
Mesoporous materials Ethylbenzene Transalkylation |
description |
p. 37-41,Jan./Feb. |
publishDate |
2005 |
dc.date.issued.fl_str_mv |
2005 |
dc.date.accessioned.fl_str_mv |
2011-12-12T12:52:44Z |
dc.date.available.fl_str_mv |
2011-12-12T12:52:44Z |
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 |
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http://www.repositorio.ufba.br/ri/handle/ri/4806 |
dc.identifier.issn.none.fl_str_mv |
0100-4042 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 28, n. 1. |
identifier_str_mv |
0100-4042 v. 28, n. 1. |
url |
http://www.repositorio.ufba.br/ri/handle/ri/4806 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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info:eu-repo/semantics/openAccess |
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openAccess |
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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000100007&lng=en&nrm=iso |
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