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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-3566
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dc.contributor.authorMousavi, Sara-
dc.contributor.authorDeuber, Fabian-
dc.contributor.authorPetrozzi, Sergio-
dc.contributor.authorFederer, Lukas-
dc.contributor.authorAliabadi, Majid-
dc.contributor.authorShahraki, Farhad-
dc.contributor.authorAdlhart, Christian-
dc.date.accessioned2018-03-28T14:53:51Z-
dc.date.available2018-03-28T14:53:51Z-
dc.date.issued2018-
dc.identifier.issn0927-7757de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/4422-
dc.description.abstractElectrospun nanofiber membranes are frequently used in adsorption processes thanks to their high specific surface area, tailored surface functionality, and fiber uniformity. However, they are still facing challenges such as low mechanical stability and unfavorable mass transport properties. In this study, an ultra-light and robust 3D nanofiber aerogel (NFA) or nanofiber sponge with tunable porosity and flexibility was synthesized from short pullulan/polyvinyl alcohol/polyacrylic acid nanofibers using a freeze casting process followed by thermal crosslinking. We demonstrate time the application of such NFAs in batch and continuous adsorption systems and compare their performance with flat nanofiber membranes (NFM). The NFAs proved to be promising adsorbents for cationic dyes due to their high adsorption capacity (383 mg/g) and their reusability. Langmuir isotherm was a suitable model for describing the adsorption process. The endothermic system followed a pseudo second order kinetic model and intra-fiber adsorption is found to be involved in the adsorption process. Dye adsorption by 3D NFAs was four times faster than for the respective flat NFMs and when used in a continuous process as a deep-bed filter, the pressure drop through the NFA was reduced by a factor of 40 while maintaining equal adsorption performance as for the NFM.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofColloids and Surfaces A: Physicochemical and Engineering Aspectsde_CH
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0/de_CH
dc.subjectWater purificationde_CH
dc.subjectNanofiber spongede_CH
dc.subjectAdsorptionde_CH
dc.subjectMass transportde_CH
dc.subjectElectrospinningde_CH
dc.subject.ddc540: Chemiede_CH
dc.subject.ddc620: Ingenieurwesende_CH
dc.titleEfficient dye adsorption by highly porous nanofiber aerogelsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Chemie und Biotechnologie (ICBT)de_CH
dc.identifier.doi10.21256/zhaw-3566-
dc.identifier.doi10.1016/j.colsurfa.2018.03.052de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end125de_CH
zhaw.pages.start117de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume547de_CH
zhaw.embargo.end2020-03-26de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedFunktionsmaterialien und Nanotechnologiede_CH
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Mousavi, S., Deuber, F., Petrozzi, S., Federer, L., Aliabadi, M., Shahraki, F., & Adlhart, C. (2018). Efficient dye adsorption by highly porous nanofiber aerogels. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 547, 117–125. https://doi.org/10.21256/zhaw-3566
Mousavi, S. et al. (2018) ‘Efficient dye adsorption by highly porous nanofiber aerogels’, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 547, pp. 117–125. Available at: https://doi.org/10.21256/zhaw-3566.
S. Mousavi et al., “Efficient dye adsorption by highly porous nanofiber aerogels,” Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 547, pp. 117–125, 2018, doi: 10.21256/zhaw-3566.
MOUSAVI, Sara, Fabian DEUBER, Sergio PETROZZI, Lukas FEDERER, Majid ALIABADI, Farhad SHAHRAKI und Christian ADLHART, 2018. Efficient dye adsorption by highly porous nanofiber aerogels. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2018. Bd. 547, S. 117–125. DOI 10.21256/zhaw-3566
Mousavi, Sara, Fabian Deuber, Sergio Petrozzi, Lukas Federer, Majid Aliabadi, Farhad Shahraki, and Christian Adlhart. 2018. “Efficient Dye Adsorption by Highly Porous Nanofiber Aerogels.” Colloids and Surfaces A: Physicochemical and Engineering Aspects 547: 117–25. https://doi.org/10.21256/zhaw-3566.
Mousavi, Sara, et al. “Efficient Dye Adsorption by Highly Porous Nanofiber Aerogels.” Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 547, 2018, pp. 117–25, https://doi.org/10.21256/zhaw-3566.


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