Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst
Autor(a) principal: | |
---|---|
Data de Publicação: | 2011 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFBA |
Texto Completo: | http://www.repositorio.ufba.br/ri/handle/ri/5442 |
Resumo: | texto completo: acesso restrito. p. 166– 170. |
id |
UFBA-2_4610f97f783705ce120b26b1ac6e09a9 |
---|---|
oai_identifier_str |
oai:repositorio.ufba.br:ri/5442 |
network_acronym_str |
UFBA-2 |
network_name_str |
Repositório Institucional da UFBA |
repository_id_str |
1932 |
spelling |
Figueiredo, Renan TavaresSantos, Marluce S.Andrade, Heloysa Martins CarvalhoFierro, José Luís GarciaFigueiredo, Renan TavaresSantos, Marluce S.Andrade, Heloysa Martins CarvalhoFierro, José Luís Garcia2012-02-25T01:49:09Z20110920-5861http://www.repositorio.ufba.br/ri/handle/ri/5442v. 172.texto completo: acesso restrito. p. 166– 170.Low temperature water gasshift catalysts containing 1.0% by weight of alkali elements (Li, K, Rb and Cs) were prepared by impregnation of a ternary Cu/ZnO/Al2O3 (CZA) base catalyst. The calcined precursors were characterized by different physical and chemical techniques such as Xray diffraction, Xray fluorescence, N2O chemisorption, N2 adsorption at low temperature and Xray photoelectron spectroscopy. Then these precursors were activated and tested in the low temperature water gasshift reaction (LTWGS). It was shown that the Kcontaining CZA catalyst exhibited the highest CO conversion level at reaction temperature within the range 450–530 K. In addition, the alkali promoters were found to prevent methanol production at temperatures higher than 480 K.Submitted by Ana Valéria de Jesus Moura (anavaleria_131@hotmail.com) on 2012-02-25T01:49:09Z No. of bitstreams: 1 nps12.tmp.pdf: 254982 bytes, checksum: bc074d56f64224133a0731642e800d48 (MD5)Made available in DSpace on 2012-02-25T01:49:09Z (GMT). No. of bitstreams: 1 nps12.tmp.pdf: 254982 bytes, checksum: bc074d56f64224133a0731642e800d48 (MD5) Previous issue date: 2011doi:10.1016/j.cattod.2011.03.073reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBALow temperature water gasshiftreactionAlkali promotersMethanol synthesisSelectivityEffect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalystCatalysis Todayinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01enginfo:eu-repo/semantics/openAccessORIGINALnps12.tmp.pdfnps12.tmp.pdfapplication/pdf254982https://repositorio.ufba.br/bitstream/ri/5442/1/nps12.tmp.pdfbc074d56f64224133a0731642e800d48MD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/5442/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXTnps12.tmp.pdf.txtnps12.tmp.pdf.txtExtracted texttext/plain23709https://repositorio.ufba.br/bitstream/ri/5442/3/nps12.tmp.pdf.txt149e3884260024f04e9c5b2fe499b752MD53ri/54422022-07-05 14:03:21.019oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:21Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst |
dc.title.alternative.pt_BR.fl_str_mv |
Catalysis Today |
title |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst |
spellingShingle |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst Figueiredo, Renan Tavares Low temperature water gasshift reaction Alkali promoters Methanol synthesis Selectivity |
title_short |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst |
title_full |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst |
title_fullStr |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst |
title_full_unstemmed |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst |
title_sort |
Effect of alkali cations on the CuZnOAl2O3 low temperature water gasshift catalyst |
author |
Figueiredo, Renan Tavares |
author_facet |
Figueiredo, Renan Tavares Santos, Marluce S. Andrade, Heloysa Martins Carvalho Fierro, José Luís Garcia |
author_role |
author |
author2 |
Santos, Marluce S. Andrade, Heloysa Martins Carvalho Fierro, José Luís Garcia |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Figueiredo, Renan Tavares Santos, Marluce S. Andrade, Heloysa Martins Carvalho Fierro, José Luís Garcia Figueiredo, Renan Tavares Santos, Marluce S. Andrade, Heloysa Martins Carvalho Fierro, José Luís Garcia |
dc.subject.por.fl_str_mv |
Low temperature water gasshift reaction Alkali promoters Methanol synthesis Selectivity |
topic |
Low temperature water gasshift reaction Alkali promoters Methanol synthesis Selectivity |
description |
texto completo: acesso restrito. p. 166– 170. |
publishDate |
2011 |
dc.date.issued.fl_str_mv |
2011 |
dc.date.accessioned.fl_str_mv |
2012-02-25T01:49:09Z |
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://www.repositorio.ufba.br/ri/handle/ri/5442 |
dc.identifier.issn.none.fl_str_mv |
0920-5861 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 172. |
identifier_str_mv |
0920-5861 v. 172. |
url |
http://www.repositorio.ufba.br/ri/handle/ri/5442 |
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.source.pt_BR.fl_str_mv |
doi:10.1016/j.cattod.2011.03.073 |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
instname_str |
Universidade Federal da Bahia (UFBA) |
instacron_str |
UFBA |
institution |
UFBA |
reponame_str |
Repositório Institucional da UFBA |
collection |
Repositório Institucional da UFBA |
bitstream.url.fl_str_mv |
https://repositorio.ufba.br/bitstream/ri/5442/1/nps12.tmp.pdf https://repositorio.ufba.br/bitstream/ri/5442/2/license.txt https://repositorio.ufba.br/bitstream/ri/5442/3/nps12.tmp.pdf.txt |
bitstream.checksum.fl_str_mv |
bc074d56f64224133a0731642e800d48 1b89a9a0548218172d7c829f87a0eab9 149e3884260024f04e9c5b2fe499b752 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA) |
repository.mail.fl_str_mv |
|
_version_ |
1808459395170828288 |