Pitting corrosion of 304 stainless steel in an activated carbon filter

Detalhes bibliográficos
Autor(a) principal: Martins,J.I.
Data de Publicação: 2016
Outros Autores: Martins,C.M.B.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://scielo.pt/scielo.php?script=sci_arttext&pid=S0870-11642016000100003
Resumo: Water leakages of an orange color were found in the cross welding zone and barrel of an activated carbon filter used in a wastewater treatment plant. The analysis of the chloride content in the plant flowsheet showed that the equipment was subjected to unsuited chloride concentration for 304 stainless steel resistance to pitting corrosion. The inside shows holes distributed randomly from about 20 cm above the welding zone to the lower outlet port of the equipment. The rehabilitation of the equipment was made by replacing the damaged cylindrical part and performing an inner liner of polymer matrix composite. It was recommended to eliminate the entry of oxidants in the filter, and a better control of coal saturation.
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spelling Pitting corrosion of 304 stainless steel in an activated carbon filterStainless Steel 304Ping CorrosionActivated Carbon FilterHypochloriteWeldingCompositesWater leakages of an orange color were found in the cross welding zone and barrel of an activated carbon filter used in a wastewater treatment plant. The analysis of the chloride content in the plant flowsheet showed that the equipment was subjected to unsuited chloride concentration for 304 stainless steel resistance to pitting corrosion. The inside shows holes distributed randomly from about 20 cm above the welding zone to the lower outlet port of the equipment. The rehabilitation of the equipment was made by replacing the damaged cylindrical part and performing an inner liner of polymer matrix composite. It was recommended to eliminate the entry of oxidants in the filter, and a better control of coal saturation.LNEG - Laboratório Nacional de Energia e Geologia, I.P.2016-03-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articletext/htmlhttp://scielo.pt/scielo.php?script=sci_arttext&pid=S0870-11642016000100003Corrosão e Protecção de Materiais v.35 n.1 2016reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAPenghttp://scielo.pt/scielo.php?script=sci_arttext&pid=S0870-11642016000100003Martins,J.I.Martins,C.M.B.info:eu-repo/semantics/openAccess2023-07-27T12:19:31ZPortal AgregadorONG
dc.title.none.fl_str_mv Pitting corrosion of 304 stainless steel in an activated carbon filter
title Pitting corrosion of 304 stainless steel in an activated carbon filter
spellingShingle Pitting corrosion of 304 stainless steel in an activated carbon filter
Martins,J.I.
Stainless Steel 304
Ping Corrosion
Activated Carbon Filter
Hypochlorite
Welding
Composites
title_short Pitting corrosion of 304 stainless steel in an activated carbon filter
title_full Pitting corrosion of 304 stainless steel in an activated carbon filter
title_fullStr Pitting corrosion of 304 stainless steel in an activated carbon filter
title_full_unstemmed Pitting corrosion of 304 stainless steel in an activated carbon filter
title_sort Pitting corrosion of 304 stainless steel in an activated carbon filter
author Martins,J.I.
author_facet Martins,J.I.
Martins,C.M.B.
author_role author
author2 Martins,C.M.B.
author2_role author
dc.contributor.author.fl_str_mv Martins,J.I.
Martins,C.M.B.
dc.subject.por.fl_str_mv Stainless Steel 304
Ping Corrosion
Activated Carbon Filter
Hypochlorite
Welding
Composites
topic Stainless Steel 304
Ping Corrosion
Activated Carbon Filter
Hypochlorite
Welding
Composites
description Water leakages of an orange color were found in the cross welding zone and barrel of an activated carbon filter used in a wastewater treatment plant. The analysis of the chloride content in the plant flowsheet showed that the equipment was subjected to unsuited chloride concentration for 304 stainless steel resistance to pitting corrosion. The inside shows holes distributed randomly from about 20 cm above the welding zone to the lower outlet port of the equipment. The rehabilitation of the equipment was made by replacing the damaged cylindrical part and performing an inner liner of polymer matrix composite. It was recommended to eliminate the entry of oxidants in the filter, and a better control of coal saturation.
publishDate 2016
dc.date.none.fl_str_mv 2016-03-01
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://scielo.pt/scielo.php?script=sci_arttext&pid=S0870-11642016000100003
url http://scielo.pt/scielo.php?script=sci_arttext&pid=S0870-11642016000100003
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv http://scielo.pt/scielo.php?script=sci_arttext&pid=S0870-11642016000100003
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 LNEG - Laboratório Nacional de Energia e Geologia, I.P.
publisher.none.fl_str_mv LNEG - Laboratório Nacional de Energia e Geologia, I.P.
dc.source.none.fl_str_mv Corrosão e Protecção de Materiais v.35 n.1 2016
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv
repository.mail.fl_str_mv
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