A thorium-doped catalyst for the high temperature shift reaction

Detalhes bibliográficos
Autor(a) principal: Costa, João Luís Rangel
Data de Publicação: 2002
Outros Autores: Marchetti, Gustavo Sérgio, Varela, Maria do Carmo Rangel Santos
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/7386
Resumo: Texto completo: acesso restrito. p.205-213
id UFBA-2_9863ec0e3020d7bdf612b65059265ae3
oai_identifier_str oai:repositorio.ufba.br:ri/7386
network_acronym_str UFBA-2
network_name_str Repositório Institucional da UFBA
repository_id_str 1932
spelling Costa, João Luís RangelMarchetti, Gustavo SérgioVarela, Maria do Carmo Rangel SantosCosta, João Luís RangelMarchetti, Gustavo SérgioVarela, Maria do Carmo Rangel Santos2012-12-10T19:46:08Z20020920-5861http://www.repositorio.ufba.br/ri/handle/ri/7386v. 77, n.3Texto completo: acesso restrito. p.205-213The reforming of natural gas feedstock in the presence of steam is the main industrial route to produce high purity hydrogen. However, this process also produces carbon oxides which can poison most hydrogenation catalysts as well as ammonia catalysts. In industrial processes, these compounds are often removed from the gaseous stream by the water gas shift reaction (WGSR), which is performed in two steps due to thermodynamics and kinetics considerations. A chromium and copper-doped hematite has been recently proposed as an industrial catalyst in the high temperature shift (HTS). This solid shows a stable performance but the search for non-toxic systems is much needed due to environmental restrictions related to chromium compounds. In this work, the use of thorium instead of chromium in iron- and copper-based catalysts for the HTS reaction was investigated. Catalysts were prepared in the active form (magnetite) in order to save energy, characterized by several techniques and then evaluated in operational conditions close to the industrial ones. It was found that thorium can replace chromium in these catalysts leading to better catalytic properties as compared to chromium. The catalyst has the advantage of being less toxic and can be prepared in the active phase.Submitted by Suelen Reis (suelen_suzane@hotmail.com) on 2012-12-10T19:46:08Z No. of bitstreams: 1 1-s2.0-S0920586102002468-main.pdf: 161696 bytes, checksum: 45a5f8ecc6bbd987ca757b2f5d0876e1 (MD5)Made available in DSpace on 2012-12-10T19:46:08Z (GMT). No. of bitstreams: 1 1-s2.0-S0920586102002468-main.pdf: 161696 bytes, checksum: 45a5f8ecc6bbd987ca757b2f5d0876e1 (MD5) Previous issue date: 2002-12http://dx.doi.org/10.1016/S0920-5861(02)00246-8reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAShift reactionThorium-doped magnetiteHydrogen productionA thorium-doped catalyst for the high temperature shift reactionCatalysis Todayinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01enginfo:eu-repo/semantics/openAccessORIGINAL1-s2.0-S0920586102002468-main.pdf1-s2.0-S0920586102002468-main.pdfapplication/pdf161696https://repositorio.ufba.br/bitstream/ri/7386/1/1-s2.0-S0920586102002468-main.pdf45a5f8ecc6bbd987ca757b2f5d0876e1MD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/7386/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXT1-s2.0-S0920586102002468-main.pdf.txt1-s2.0-S0920586102002468-main.pdf.txtExtracted texttext/plain30106https://repositorio.ufba.br/bitstream/ri/7386/3/1-s2.0-S0920586102002468-main.pdf.txte46c23615c73e43bdc0e2234ccb82c73MD53ri/73862022-10-09 23:41:07.551oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-10-10T02:41:07Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false
dc.title.pt_BR.fl_str_mv A thorium-doped catalyst for the high temperature shift reaction
dc.title.alternative.pt_BR.fl_str_mv Catalysis Today
title A thorium-doped catalyst for the high temperature shift reaction
spellingShingle A thorium-doped catalyst for the high temperature shift reaction
Costa, João Luís Rangel
Shift reaction
Thorium-doped magnetite
Hydrogen production
title_short A thorium-doped catalyst for the high temperature shift reaction
title_full A thorium-doped catalyst for the high temperature shift reaction
title_fullStr A thorium-doped catalyst for the high temperature shift reaction
title_full_unstemmed A thorium-doped catalyst for the high temperature shift reaction
title_sort A thorium-doped catalyst for the high temperature shift reaction
author Costa, João Luís Rangel
author_facet Costa, João Luís Rangel
Marchetti, Gustavo Sérgio
Varela, Maria do Carmo Rangel Santos
author_role author
author2 Marchetti, Gustavo Sérgio
Varela, Maria do Carmo Rangel Santos
author2_role author
author
dc.contributor.author.fl_str_mv Costa, João Luís Rangel
Marchetti, Gustavo Sérgio
Varela, Maria do Carmo Rangel Santos
Costa, João Luís Rangel
Marchetti, Gustavo Sérgio
Varela, Maria do Carmo Rangel Santos
dc.subject.por.fl_str_mv Shift reaction
Thorium-doped magnetite
Hydrogen production
topic Shift reaction
Thorium-doped magnetite
Hydrogen production
description Texto completo: acesso restrito. p.205-213
publishDate 2002
dc.date.issued.fl_str_mv 2002
dc.date.accessioned.fl_str_mv 2012-12-10T19:46:08Z
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/7386
dc.identifier.issn.none.fl_str_mv 0920-5861
dc.identifier.number.pt_BR.fl_str_mv v. 77, n.3
identifier_str_mv 0920-5861
v. 77, n.3
url http://www.repositorio.ufba.br/ri/handle/ri/7386
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 http://dx.doi.org/10.1016/S0920-5861(02)00246-8
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/7386/1/1-s2.0-S0920586102002468-main.pdf
https://repositorio.ufba.br/bitstream/ri/7386/2/license.txt
https://repositorio.ufba.br/bitstream/ri/7386/3/1-s2.0-S0920586102002468-main.pdf.txt
bitstream.checksum.fl_str_mv 45a5f8ecc6bbd987ca757b2f5d0876e1
1b89a9a0548218172d7c829f87a0eab9
e46c23615c73e43bdc0e2234ccb82c73
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_ 1801502459748679680

Registros relacionados