Show simple item record

dc.contributor.authorNava Ocampo, Maria F.
dc.contributor.authorBucs,Szilard
dc.contributor.authorFarinha, Andreia S.F.
dc.contributor.authorSon, Moon
dc.contributor.authorLogan, Bruce E.
dc.contributor.authorVrouwenvelder, Johannes S.
dc.date.accessioned2020-09-07T13:14:14Z
dc.date.available2020-09-07T13:14:14Z
dc.date.issued2020-08-28
dc.date.submitted2020-05-14
dc.identifier.citationNava-Ocampo, M. F., Bucs, S. S., Farinha, A. S. F., Son, M., Logan, B. E., & Vrouwenvelder, J. S. (2020). Sacrificial coating development for biofouling control in membrane systems. Desalination, 496, 114650. doi:10.1016/j.desal.2020.114650
dc.identifier.issn0011-9164
dc.identifier.doi10.1016/j.desal.2020.114650
dc.identifier.urihttp://hdl.handle.net/10754/664993
dc.description.abstractCurrent cleaning strategies for biofouling control on spiral wound membrane systems used for seawater desalination are not effective and can hinder long-term membrane performance. To enable effective cleaning of a membrane, we examined the in-situ application and the use of a sacrificial multilayer polyelectrolyte coating on the membrane surface. The membrane coating was based on a layer-by-layer assembly approach using two non-toxic linkers, poly (diallyl-dimethyl ammonium chloride) and poly(sodium-4-styrene sulfonate). This polyelectrolyte coating was effectively applied on the membrane surface under cross-flow conditions, and it was stable on the membrane surface under continuous operation. Coating removal requires only a concentrated sodium chloride solution (synthetic brine in our study) adjusted to pH 11. Using this procedure, both the biofilm and the sacrificial layer could be simultaneously removed, leaving a clean surface compared to the non-coated membrane. Biofouling tests showed that the coated membrane had two-fold higher permeate flux recovery than the control non-coated membrane. The used polyelectrolyte sacrificial coatings avoided the use of toxic linkers and harsh cleaning chemicals, and thus it is a suitable technique for biofouling control on reverse osmosis spiral wound membranes.
dc.description.sponsorshipThe authors thank King Abdullah University of Science and Technology (KAUST) for funding this research project. Graphical abstract was produced by Xavier Pita, scientific illustrator at King Abdullah University of Science and Technology (KAUST).
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S001191642031328X
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Desalination. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Desalination, [496, , (2020-08-28)] DOI: 10.1016/j.desal.2020.114650 . © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleSacrificial coating development for biofouling control in membrane systems
dc.typeArticle
dc.contributor.departmentEnvironmental Science and Engineering Program
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)
dc.contributor.departmentWater Desalination and Reuse Center (WDRC), Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
dc.identifier.journalDesalination
dc.rights.embargodate2022-08-28
dc.eprint.versionPost-print
dc.contributor.institutionDepartment of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, USA
dc.identifier.volume496
dc.identifier.pages114650
kaust.personNava Ocampo, Maria Fernanda
kaust.personBucs, Szilard
kaust.personFarinha, Andreia S.F.
kaust.personVrouwenvelder, Johannes S.
dc.date.accepted2020-07-13
dc.identifier.eid2-s2.0-85089855644
kaust.acknowledged.supportUnitscientific illustrator at King Abdullah University of Science and Technology (KAUST)
dc.date.published-online2020-08-28
dc.date.published-print2020-12


This item appears in the following Collection(s)

Show simple item record