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Article: Mitigation mechanism of ozonation in the casein fouling of ultrafiltration membranes: Possible application in dairy wastewater treatment

TitleMitigation mechanism of ozonation in the casein fouling of ultrafiltration membranes: Possible application in dairy wastewater treatment
Authors
KeywordsCasein
Dairy wastewater treatment
Interfacial forces
Preozonation
Ultrafiltration membrane fouling
Issue Date2021
Citation
Journal of Membrane Science, 2021, v. 629, article no. 119307 How to Cite?
AbstractMembrane fouling control is one topic of concern during the application of ultrafiltration in dairy wastewater treatment. Casein is abundant in dairy wastewater; thus, in this work, preozonation for the casein solutions were carried out, and the membrane fouling behavior was investigated before and after preozonation. To reveal the effect mechanism of preozonation in casein fouling of ultrafiltration membranes, we explored the changes in casein's interfacial forces at the membrane surface, fouling layer structures, and its properties after pre-ozonation. Results showed that the casein molecules without ozonation could hold together tightly to form larger micelles, which were retained on the membrane surface to form a gel scale with poor fluidity and permeability, and also caused the most serious membrane fouling. By contrast, once preozonation occurred, the hydrophobic forces and the hydrogen bonds between membrane and casein, and between casein molecules were disrupted, which not only mitigated the adsorption/deposition of ozone-treated casein onto the membrane surface, but also destroyed the micellar structures of stable casein and resulted in a more open-and-loose fouling layer. Eventually, the membrane showed less fouling. Therefore, preozonation could effectively mitigate casein fouling of ultrafiltration membranes.
Persistent Identifierhttp://hdl.handle.net/10722/327724
ISSN
2023 Impact Factor: 8.4
2023 SCImago Journal Rankings: 1.848
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorMiao, Rui-
dc.contributor.authorMa, Bingpeng-
dc.contributor.authorLi, Pu-
dc.contributor.authorWang, Pei-
dc.contributor.authorWang, Lei-
dc.contributor.authorLi, Xiao yan-
dc.date.accessioned2023-04-24T05:09:31Z-
dc.date.available2023-04-24T05:09:31Z-
dc.date.issued2021-
dc.identifier.citationJournal of Membrane Science, 2021, v. 629, article no. 119307-
dc.identifier.issn0376-7388-
dc.identifier.urihttp://hdl.handle.net/10722/327724-
dc.description.abstractMembrane fouling control is one topic of concern during the application of ultrafiltration in dairy wastewater treatment. Casein is abundant in dairy wastewater; thus, in this work, preozonation for the casein solutions were carried out, and the membrane fouling behavior was investigated before and after preozonation. To reveal the effect mechanism of preozonation in casein fouling of ultrafiltration membranes, we explored the changes in casein's interfacial forces at the membrane surface, fouling layer structures, and its properties after pre-ozonation. Results showed that the casein molecules without ozonation could hold together tightly to form larger micelles, which were retained on the membrane surface to form a gel scale with poor fluidity and permeability, and also caused the most serious membrane fouling. By contrast, once preozonation occurred, the hydrophobic forces and the hydrogen bonds between membrane and casein, and between casein molecules were disrupted, which not only mitigated the adsorption/deposition of ozone-treated casein onto the membrane surface, but also destroyed the micellar structures of stable casein and resulted in a more open-and-loose fouling layer. Eventually, the membrane showed less fouling. Therefore, preozonation could effectively mitigate casein fouling of ultrafiltration membranes.-
dc.languageeng-
dc.relation.ispartofJournal of Membrane Science-
dc.subjectCasein-
dc.subjectDairy wastewater treatment-
dc.subjectInterfacial forces-
dc.subjectPreozonation-
dc.subjectUltrafiltration membrane fouling-
dc.titleMitigation mechanism of ozonation in the casein fouling of ultrafiltration membranes: Possible application in dairy wastewater treatment-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.memsci.2021.119307-
dc.identifier.scopuseid_2-s2.0-85103712529-
dc.identifier.volume629-
dc.identifier.spagearticle no. 119307-
dc.identifier.epagearticle no. 119307-
dc.identifier.eissn1873-3123-
dc.identifier.isiWOS:000647730300002-

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