Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/211695 |
Resumo: | The development of ceramic membranes for the most diverse separation processes has gained high visibility, mainly due to their better performance in harsh environments in comparison to polymeric materials. Among the different techniques used to prepare tubular ceramic membranes, the centrifugal casting (CC) is interesting for obtaining highly homogeneous structures, essential for gas separations. This study assessed the influence of two sintering temperatures (1450 and 1500 °C) of alumina membranes prepared by CC on the membrane morphology and on the permeation of helium, nitrogen and oxygen gases. The membranes were characterized by their morphology, apparent porosity, and gas permeation. The results indicated that the sintering temperature is a fundamental parameter for controlling membrane properties, an increase of only 50 °C led to a tenfold decrease in the gas permeate flux, indicating densification of membrane porous structure. This was in accordance with the results observed in the membrane micrographs and the apparent porosity. |
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Bertotto, Renata de Carvalho TelesVirginie, MirellaKhodakov, AndreiAmbrosi, AlanPollo, Liliane DamarisMarcilio, Nilson RomeuTessaro, Isabel Cristina2020-07-10T03:41:56Z20190366-6913http://hdl.handle.net/10183/211695001114702The development of ceramic membranes for the most diverse separation processes has gained high visibility, mainly due to their better performance in harsh environments in comparison to polymeric materials. Among the different techniques used to prepare tubular ceramic membranes, the centrifugal casting (CC) is interesting for obtaining highly homogeneous structures, essential for gas separations. This study assessed the influence of two sintering temperatures (1450 and 1500 °C) of alumina membranes prepared by CC on the membrane morphology and on the permeation of helium, nitrogen and oxygen gases. The membranes were characterized by their morphology, apparent porosity, and gas permeation. The results indicated that the sintering temperature is a fundamental parameter for controlling membrane properties, an increase of only 50 °C led to a tenfold decrease in the gas permeate flux, indicating densification of membrane porous structure. This was in accordance with the results observed in the membrane micrographs and the apparent porosity.application/pdfengCerâmica. São Paulo. Vol. 65, Supl. 1. (jan. 2009), p. 99-103FundiçãoSeparação de gasesMembranas cerâmicasCentrifugal castingGas separationCeramic membraneInfluence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separationinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/otherinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001114702.pdf.txt001114702.pdf.txtExtracted Texttext/plain20040http://www.lume.ufrgs.br/bitstream/10183/211695/2/001114702.pdf.txtf66aabcce0f1feaaafc28ebd8566227aMD52ORIGINAL001114702.pdfTexto completo (inglês)application/pdf850574http://www.lume.ufrgs.br/bitstream/10183/211695/1/001114702.pdf501974df9caaa548f8ff43246c634b33MD5110183/2116952020-07-11 03:52:17.059691oai:www.lume.ufrgs.br:10183/211695Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2020-07-11T06:52:17Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation |
title |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation |
spellingShingle |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation Bertotto, Renata de Carvalho Teles Fundição Separação de gases Membranas cerâmicas Centrifugal casting Gas separation Ceramic membrane |
title_short |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation |
title_full |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation |
title_fullStr |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation |
title_full_unstemmed |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation |
title_sort |
Influence of sintering temperature on the development of alumina membrane shaped by centrifugal casting for gas separation |
author |
Bertotto, Renata de Carvalho Teles |
author_facet |
Bertotto, Renata de Carvalho Teles Virginie, Mirella Khodakov, Andrei Ambrosi, Alan Pollo, Liliane Damaris Marcilio, Nilson Romeu Tessaro, Isabel Cristina |
author_role |
author |
author2 |
Virginie, Mirella Khodakov, Andrei Ambrosi, Alan Pollo, Liliane Damaris Marcilio, Nilson Romeu Tessaro, Isabel Cristina |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Bertotto, Renata de Carvalho Teles Virginie, Mirella Khodakov, Andrei Ambrosi, Alan Pollo, Liliane Damaris Marcilio, Nilson Romeu Tessaro, Isabel Cristina |
dc.subject.por.fl_str_mv |
Fundição Separação de gases Membranas cerâmicas |
topic |
Fundição Separação de gases Membranas cerâmicas Centrifugal casting Gas separation Ceramic membrane |
dc.subject.eng.fl_str_mv |
Centrifugal casting Gas separation Ceramic membrane |
description |
The development of ceramic membranes for the most diverse separation processes has gained high visibility, mainly due to their better performance in harsh environments in comparison to polymeric materials. Among the different techniques used to prepare tubular ceramic membranes, the centrifugal casting (CC) is interesting for obtaining highly homogeneous structures, essential for gas separations. This study assessed the influence of two sintering temperatures (1450 and 1500 °C) of alumina membranes prepared by CC on the membrane morphology and on the permeation of helium, nitrogen and oxygen gases. The membranes were characterized by their morphology, apparent porosity, and gas permeation. The results indicated that the sintering temperature is a fundamental parameter for controlling membrane properties, an increase of only 50 °C led to a tenfold decrease in the gas permeate flux, indicating densification of membrane porous structure. This was in accordance with the results observed in the membrane micrographs and the apparent porosity. |
publishDate |
2019 |
dc.date.issued.fl_str_mv |
2019 |
dc.date.accessioned.fl_str_mv |
2020-07-10T03:41:56Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/other |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/211695 |
dc.identifier.issn.pt_BR.fl_str_mv |
0366-6913 |
dc.identifier.nrb.pt_BR.fl_str_mv |
001114702 |
identifier_str_mv |
0366-6913 001114702 |
url |
http://hdl.handle.net/10183/211695 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Cerâmica. São Paulo. Vol. 65, Supl. 1. (jan. 2009), p. 99-103 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
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