Production of silica gel from residual rice husk ash

Detalhes bibliográficos
Autor(a) principal: Lima,Samantha Pinheiro Buás de
Data de Publicação: 2011
Outros Autores: Vasconcelos,Raimundo Pereira de, Paiva,Otávio Augusto, Cordeiro,Guilherme Chagas, Chaves,Márcia Rodrigues de Morais, Toledo Filho,Romildo Dias, Fairbairn,Eduardo de Moraes Rego
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000100014
Resumo: This paper presents a study on the production of silica gel in hydrothermal process using residual rice husk ash. Measurements of the chemical composition, X-ray diffraction, infrared spectroscopy, particle size distribution, and pozzolanic activity were carried out in order to characterize the obtained material, and the optimal silica gel was selected for use as a mineral additive in cement pastes. The compressive strengths were determined for cement pastes containing silica gel (0.0, 2.5 or 5% by mass) in different times. The results indicate that the mixtures containing silica gel showed improved mechanical behavior over all time periods evaluated.
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spelling Production of silica gel from residual rice husk ashsilica gelsol-gelrice husk ashThis paper presents a study on the production of silica gel in hydrothermal process using residual rice husk ash. Measurements of the chemical composition, X-ray diffraction, infrared spectroscopy, particle size distribution, and pozzolanic activity were carried out in order to characterize the obtained material, and the optimal silica gel was selected for use as a mineral additive in cement pastes. The compressive strengths were determined for cement pastes containing silica gel (0.0, 2.5 or 5% by mass) in different times. The results indicate that the mixtures containing silica gel showed improved mechanical behavior over all time periods evaluated.Sociedade Brasileira de Química2011-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000100014Química Nova v.34 n.1 2011reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422011000100014info:eu-repo/semantics/openAccessLima,Samantha Pinheiro Buás deVasconcelos,Raimundo Pereira dePaiva,Otávio AugustoCordeiro,Guilherme ChagasChaves,Márcia Rodrigues de MoraisToledo Filho,Romildo DiasFairbairn,Eduardo de Moraes Regoeng2011-02-10T00:00:00Zoai:scielo:S0100-40422011000100014Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2011-02-10T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Production of silica gel from residual rice husk ash
title Production of silica gel from residual rice husk ash
spellingShingle Production of silica gel from residual rice husk ash
Lima,Samantha Pinheiro Buás de
silica gel
sol-gel
rice husk ash
title_short Production of silica gel from residual rice husk ash
title_full Production of silica gel from residual rice husk ash
title_fullStr Production of silica gel from residual rice husk ash
title_full_unstemmed Production of silica gel from residual rice husk ash
title_sort Production of silica gel from residual rice husk ash
author Lima,Samantha Pinheiro Buás de
author_facet Lima,Samantha Pinheiro Buás de
Vasconcelos,Raimundo Pereira de
Paiva,Otávio Augusto
Cordeiro,Guilherme Chagas
Chaves,Márcia Rodrigues de Morais
Toledo Filho,Romildo Dias
Fairbairn,Eduardo de Moraes Rego
author_role author
author2 Vasconcelos,Raimundo Pereira de
Paiva,Otávio Augusto
Cordeiro,Guilherme Chagas
Chaves,Márcia Rodrigues de Morais
Toledo Filho,Romildo Dias
Fairbairn,Eduardo de Moraes Rego
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Lima,Samantha Pinheiro Buás de
Vasconcelos,Raimundo Pereira de
Paiva,Otávio Augusto
Cordeiro,Guilherme Chagas
Chaves,Márcia Rodrigues de Morais
Toledo Filho,Romildo Dias
Fairbairn,Eduardo de Moraes Rego
dc.subject.por.fl_str_mv silica gel
sol-gel
rice husk ash
topic silica gel
sol-gel
rice husk ash
description This paper presents a study on the production of silica gel in hydrothermal process using residual rice husk ash. Measurements of the chemical composition, X-ray diffraction, infrared spectroscopy, particle size distribution, and pozzolanic activity were carried out in order to characterize the obtained material, and the optimal silica gel was selected for use as a mineral additive in cement pastes. The compressive strengths were determined for cement pastes containing silica gel (0.0, 2.5 or 5% by mass) in different times. The results indicate that the mixtures containing silica gel showed improved mechanical behavior over all time periods evaluated.
publishDate 2011
dc.date.none.fl_str_mv 2011-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000100014
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000100014
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0100-40422011000100014
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Química Nova v.34 n.1 2011
reponame:Química Nova (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Química Nova (Online)
collection Química Nova (Online)
repository.name.fl_str_mv Química Nova (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv quimicanova@sbq.org.br
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