title: Effect of the Formation of Ultrathin Selective Layerson the Structure and Performance of Thin-FilmComposite Chitosan/PAN Membranes forPervaporation Dehydration
metadata.name: dc.contributor.author
metadata.value: Dmitrenko, Mariia
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Zolotarev, Andrey
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Plisko, Tatiana
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Burts, Katsiaryna
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Liamin, Vladislav
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Ermakov, Sergey
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Penkova, Anastasia
metadata.lang: -
metadata.name: dc.date.accessioned
metadata.value: 2020-07-22T11:32:50Z
metadata.lang: -
metadata.name: dc.date.available
metadata.value: 2020-07-22T11:32:50Z
metadata.lang: -
metadata.name: dc.date.issued
metadata.value: 2020-07-16
metadata.lang: -
metadata.name: dc.identifier.uri
metadata.value: http://hdl.handle.net/11701/18748
metadata.lang: -
metadata.name: dc.description.abstract
metadata.value: The aim of the study is to improve the performance of thin-film composite (TFC) membraneswith  a  thin selective  layer  based  on  chitosan (CS) via different  approaches  by: (1) varying  theconcentration of the CS solution; (2) changing the porosity of substrates from polyacrylonitrile (PAN);(3) deposition of the additional ultrathin layers on the surface of the selective CS layer using interfacialpolymerization and layer-by-layer assembly. The developed membranes were characterized bydifferent methods of analyses (SEM and AFM, IR spectroscopy, measuring of water contact anglesand porosity). The transport characteristics of the developed TFC membranes were studied inpervaporation separation of isopropanol/water mixtures.  It was found that the application of themost porous PAN-4 substrate with combination of formation of an additional polyamide selectivelayer by interfacial polymerization on the surface of a dense selective CS layer with the subsequentlayer-by-layer deposition of five bilayers of poly (sodium 4-styrenesulfonate)/CS polyelectrolyte pairled to the significant improvement of permeance and high selectivity for the entire concentrationfeed range. Thus, for TFC membrane on the PAN-4 substrate the optimal transport characteristics inpervaporation dehydration of isopropanol (12–90 wt.% water) were achieved: 0.22–1.30 kg/(m2h),99.9 wt.% water in the permeate.
metadata.lang: en_GB
metadata.name: dc.language.iso
metadata.value: en
metadata.lang: en_GB
metadata.name: dc.publisher
metadata.value: MDPI
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: hin-film composite membrane
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: interfacial polymerization
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: pervaporation
metadata.lang: en_GB
metadata.name: dc.title
metadata.value: Effect of the Formation of Ultrathin Selective Layerson the Structure and Performance of Thin-FilmComposite Chitosan/PAN Membranes forPervaporation Dehydration
metadata.lang: en_GB
metadata.name: dc.type
metadata.value: Article
metadata.lang: en_GB
resources.filename: membranes-10-00153.pdf
resources.url: https://dspace.spbu.ru/bitstream/11701/18748/1/membranes-10-00153.pdf
resources.format: Adobe PDF
resources.size: 7,38 MB