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Bacterial cellulose biopolymers: the sustainable solution to water-polluting microplastics

2022Journal article Open access
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dc.contributor.authorFaria, Marisa
dc.contributor.authorCunha, César
dc.contributor.authorGomes, Madalena
dc.contributor.authorMendonça, Ivana
dc.contributor.authorKaufmann, Manfred
dc.contributor.authorFerreira, Artur
dc.contributor.authorCordeiro, Nereida
dc.date.accessioned2022-11-08T09:32:04Z
dc.date.available2022-11-08T09:32:04Z
dc.date.issued2022
dc.description.abstractMicroplastics (MPs) pollution has become one of our time’s most consequential issue. These micropolymeric particles are ubiquitously distributed across all natural and urban ecosystems. Current filtration systems in wastewater treatment plants (WWTPs) rely on non-biodegradable fossil-based polymeric filters whose mainte nance procedures are environmentally damaging and unsustainable. Following the need to develop sustainable filtration frameworks for MPs water removal, years of R&D lead to the conception of bacterial cellulose (BC) biopolymers. These bacterial-based naturally secreted polymers display unique features for biotechnological applications, such as straightforward production, large surface areas, nanoporous structures, biodegradability, and utilitarian circularity. Diligently, techniques such as flow cytometry, scanning electron microscopy and fluorescence microscopy were used to evaluate the feasibility and characterise the removal dynamics of highly concentrated MPs-polluted water by BC biopolymers. Results show that BC biopolymers display removal effi ciencies of MPs of up to 99%, maintaining high performance for several continuous cycles. The polymer’s characterisation showed that MPs were both adsorbed and incorporated in the 3D nanofibrillar network. The use of more economically- and logistics-favourable dried BC biopolymers preserves their physicochemical properties while maintaining high efficiency (93–96%). These polymers exhibited exceptional structural preservation, conserving a high water uptake capacity which drives microparticle retention. In sum, this study provides clear evidence that BC biopolymers are high performing, multifaceted and genuinely sustainable/circular alternatives to synthetic water treatment MPs-removal technologies.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFaria, M., Cunha, C., Gomes, M., Mendonça, I., Kaufmann, M., Ferreira, A., & Cordeiro, N. (2022). Bacterial cellulose biopolymers: The sustainable solution to water-polluting microplastics. Water Research, 222, 118952.pt_PT
dc.identifier.doi10.1016/j.watres.2022.118952pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/4740
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherIWA Publishingpt_PT
dc.relationInterdisciplinary Centre of Marine and Environmental Research
dc.relationInterdisciplinary Centre of Marine and Environmental Research
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBacterial cellulosept_PT
dc.subjectBiopolymerspt_PT
dc.subjectMicroplasticspt_PT
dc.subjectEnvironmental biotechnologypt_PT
dc.subjectSustainabilitypt_PT
dc.subject.pt_PT
dc.subjectFaculdade de ciências Exatas e da Engenhariapt_PT
dc.titleBacterial cellulose biopolymers: the sustainable solution to water-polluting microplasticspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleInterdisciplinary Centre of Marine and Environmental Research
oaire.awardTitleInterdisciplinary Centre of Marine and Environmental Research
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04423%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04423%2F2020/PT
oaire.citation.startPage118952pt_PT
oaire.citation.titleWater Researchpt_PT
oaire.citation.volume222pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameFaria
person.familyNameCunha
person.familyNameGomes
person.familyNameda Silva Mendonça
person.familyNameKaufmann
person.familyNamecordeiro
person.givenNameMarisa Camacho Gonçalves
person.givenNameCésar
person.givenNameMadalena
person.givenNameIvana Rita
person.givenNameManfred
person.givenNamenereida
person.identifier3435316
person.identifier1612636
person.identifier.ciencia-idD716-6F48-AD0E
person.identifier.ciencia-idEC12-B90B-BA98
person.identifier.ciencia-id7619-C648-AE6C
person.identifier.ciencia-idA316-A34A-F7AF
person.identifier.ciencia-id521A-0F62-EA39
person.identifier.orcid0000-0002-9158-6961
person.identifier.orcid0000-0003-3811-2932
person.identifier.orcid0000-0003-3433-0342
person.identifier.orcid0000-0002-9148-026X
person.identifier.orcid0000-0001-6213-3229
person.identifier.orcid0000-0001-6006-3415
person.identifier.ridA-7561-2013
person.identifier.ridO-2253-2019
person.identifier.scopus-author-id35264346100
person.identifier.scopus-author-id7004319456
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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