Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy

Detalhes bibliográficos
Autor(a) principal: Nielsen, Emilie N.
Data de Publicação: 2023
Outros Autores: Cordin, Ulysse, Gøtke, Mathias, Velizarov, Svetlozar, Galinha, Cláudia F., Skibsted, Leif H., Crespo, João G., Ahrné, Lilia M.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10362/154552
Resumo: Funding Information: The authors would like to thank the staff at Hobro dairy for collection of acid whey samples. Also, special thanks to MemBrain s.r.o. and MEGA a.s. for providing us with the electrodialysis unit and the ion-exchange membranes. This present study is a part of the Platform for Novel Gentle Processing supported by the Dairy Rationalisation Fund (DDRF), Copenhagen University and Arla Foods. Publisher Copyright: © 2023 The Author(s)
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spelling Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy2D fluorescence spectroscopyAcid wheyElectrodialysisFoulingFTIRIon-exchange membranesAnalytical ChemistryFiltration and SeparationFunding Information: The authors would like to thank the staff at Hobro dairy for collection of acid whey samples. Also, special thanks to MemBrain s.r.o. and MEGA a.s. for providing us with the electrodialysis unit and the ion-exchange membranes. This present study is a part of the Platform for Novel Gentle Processing supported by the Dairy Rationalisation Fund (DDRF), Copenhagen University and Arla Foods. Publisher Copyright: © 2023 The Author(s)Acid whey (AW), a by-product from the production of acidified dairy products, contains high amounts of lactic acid and minerals that can be recovered by electrodialysis (ED). To better understand the process and improve its efficiency, the objective of this study was to investigate fouling of ion-exchange membranes (IEMs) during ED of AW and concentrated AW by reverse osmosis (ROAW), underlimiting (ULCD), limiting (LCD) and overlimiting current density operating conditions (OLCD). The structure, hydrophobicity, and chemical composition of membranes showed differences regarding fouling on anion- (AEM) and cation- (CEM) exchange membranes facing the diluate and the concentrate, both for AW and ROAW. Furthermore, operating at OLCD tends to reduce fouling compared to ULCD, due to the expected generation of electroconvective vortices. 2D fluorescence spectroscopy and Fourier-transform infrared spectroscopy (FTIR) provided complementary and more detailed information regarding the fouling and efficiency of the cleaning procedure. The 2D fluorescence spectra showed that the AEM surfaces in contact with the diluate change more than those in contact with the concentrate. The FTIR analyses showed the presence of lactose and lactic acid on the AEM surfaces in contact with the concentrate, which could not be detected by fluorescence.LAQV@REQUIMTEDQ - Departamento de QuímicaRUNNielsen, Emilie N.Cordin, UlysseGøtke, MathiasVelizarov, SvetlozarGalinha, Cláudia F.Skibsted, Leif H.Crespo, João G.Ahrné, Lilia M.2023-06-28T22:17:33Z2023-07-012023-07-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article12application/pdfhttp://hdl.handle.net/10362/154552eng1383-5866PURE: 64722638https://doi.org/10.1016/j.seppur.2023.123814info: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:RCAAP2024-03-11T05:36:58Zoai:run.unl.pt:10362/154552Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:55:39.733630Repositório 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 Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
title Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
spellingShingle Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
Nielsen, Emilie N.
2D fluorescence spectroscopy
Acid whey
Electrodialysis
Fouling
FTIR
Ion-exchange membranes
Analytical Chemistry
Filtration and Separation
title_short Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
title_full Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
title_fullStr Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
title_full_unstemmed Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
title_sort Fouling of ion-exchange membranes during electrodialytic acid whey processing analysed by 2D fluorescence and FTIR spectroscopy
author Nielsen, Emilie N.
author_facet Nielsen, Emilie N.
Cordin, Ulysse
Gøtke, Mathias
Velizarov, Svetlozar
Galinha, Cláudia F.
Skibsted, Leif H.
Crespo, João G.
Ahrné, Lilia M.
author_role author
author2 Cordin, Ulysse
Gøtke, Mathias
Velizarov, Svetlozar
Galinha, Cláudia F.
Skibsted, Leif H.
Crespo, João G.
Ahrné, Lilia M.
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv LAQV@REQUIMTE
DQ - Departamento de Química
RUN
dc.contributor.author.fl_str_mv Nielsen, Emilie N.
Cordin, Ulysse
Gøtke, Mathias
Velizarov, Svetlozar
Galinha, Cláudia F.
Skibsted, Leif H.
Crespo, João G.
Ahrné, Lilia M.
dc.subject.por.fl_str_mv 2D fluorescence spectroscopy
Acid whey
Electrodialysis
Fouling
FTIR
Ion-exchange membranes
Analytical Chemistry
Filtration and Separation
topic 2D fluorescence spectroscopy
Acid whey
Electrodialysis
Fouling
FTIR
Ion-exchange membranes
Analytical Chemistry
Filtration and Separation
description Funding Information: The authors would like to thank the staff at Hobro dairy for collection of acid whey samples. Also, special thanks to MemBrain s.r.o. and MEGA a.s. for providing us with the electrodialysis unit and the ion-exchange membranes. This present study is a part of the Platform for Novel Gentle Processing supported by the Dairy Rationalisation Fund (DDRF), Copenhagen University and Arla Foods. Publisher Copyright: © 2023 The Author(s)
publishDate 2023
dc.date.none.fl_str_mv 2023-06-28T22:17:33Z
2023-07-01
2023-07-01T00:00:00Z
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/10362/154552
url http://hdl.handle.net/10362/154552
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 1383-5866
PURE: 64722638
https://doi.org/10.1016/j.seppur.2023.123814
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 12
application/pdf
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
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