Treatment of textile wastewaters with dynamic membranes

Detalhes bibliográficos
Autor(a) principal: Amorim, M. T. Pessoa de
Data de Publicação: 2006
Outros Autores: Ramos, Ilia Rosa Afonso
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/1822/17338
Resumo: The use of dynamic membranes formed in situ by deposition of a colloidal suspension on a porous support as a pretreatment of membranes is an attractive method to reducing irreversible membrane fouling. A polyethersulfone, PVDF, membrane with a neutral load, hydrophilic character and a cut-off of 30,000 Dalton was studied after treatment with hydrophilic polymers, such as polyetylenoglycol and polyvinyl alcohol. The selectivity and permeability of the membrane without treatment and of the dynamic membranes formed with hydrophilic polymers were measured with a solution of a reactive dye, Black Remazol B, at different pH values. Simultaneously, fouling of the membrane was controlled. It was observed that for identical conditions permeate flux is higher with membranes treated with solutions of hydrophilic polymer and irreversible fouling decreased with the treatment of the membranes.
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spelling Treatment of textile wastewaters with dynamic membranesFoulingDynamic membranesPEGPVAReactive dyeThe use of dynamic membranes formed in situ by deposition of a colloidal suspension on a porous support as a pretreatment of membranes is an attractive method to reducing irreversible membrane fouling. A polyethersulfone, PVDF, membrane with a neutral load, hydrophilic character and a cut-off of 30,000 Dalton was studied after treatment with hydrophilic polymers, such as polyetylenoglycol and polyvinyl alcohol. The selectivity and permeability of the membrane without treatment and of the dynamic membranes formed with hydrophilic polymers were measured with a solution of a reactive dye, Black Remazol B, at different pH values. Simultaneously, fouling of the membrane was controlled. It was observed that for identical conditions permeate flux is higher with membranes treated with solutions of hydrophilic polymer and irreversible fouling decreased with the treatment of the membranes.ElsevierUniversidade do MinhoAmorim, M. T. Pessoa deRamos, Ilia Rosa Afonso2006-05-102006-05-10T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/17338eng84-9705-838-00011-9164info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:47:46Zoai:repositorium.sdum.uminho.pt:1822/17338Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:45:52.557159Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Treatment of textile wastewaters with dynamic membranes
title Treatment of textile wastewaters with dynamic membranes
spellingShingle Treatment of textile wastewaters with dynamic membranes
Amorim, M. T. Pessoa de
Fouling
Dynamic membranes
PEG
PVA
Reactive dye
title_short Treatment of textile wastewaters with dynamic membranes
title_full Treatment of textile wastewaters with dynamic membranes
title_fullStr Treatment of textile wastewaters with dynamic membranes
title_full_unstemmed Treatment of textile wastewaters with dynamic membranes
title_sort Treatment of textile wastewaters with dynamic membranes
author Amorim, M. T. Pessoa de
author_facet Amorim, M. T. Pessoa de
Ramos, Ilia Rosa Afonso
author_role author
author2 Ramos, Ilia Rosa Afonso
author2_role author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Amorim, M. T. Pessoa de
Ramos, Ilia Rosa Afonso
dc.subject.por.fl_str_mv Fouling
Dynamic membranes
PEG
PVA
Reactive dye
topic Fouling
Dynamic membranes
PEG
PVA
Reactive dye
description The use of dynamic membranes formed in situ by deposition of a colloidal suspension on a porous support as a pretreatment of membranes is an attractive method to reducing irreversible membrane fouling. A polyethersulfone, PVDF, membrane with a neutral load, hydrophilic character and a cut-off of 30,000 Dalton was studied after treatment with hydrophilic polymers, such as polyetylenoglycol and polyvinyl alcohol. The selectivity and permeability of the membrane without treatment and of the dynamic membranes formed with hydrophilic polymers were measured with a solution of a reactive dye, Black Remazol B, at different pH values. Simultaneously, fouling of the membrane was controlled. It was observed that for identical conditions permeate flux is higher with membranes treated with solutions of hydrophilic polymer and irreversible fouling decreased with the treatment of the membranes.
publishDate 2006
dc.date.none.fl_str_mv 2006-05-10
2006-05-10T00:00:00Z
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://hdl.handle.net/1822/17338
url http://hdl.handle.net/1822/17338
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 84-9705-838-0
0011-9164
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv 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 Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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