Biofouling control by hydrophilic surface modification of polypropylene feed spacers by plasma polymerisation

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dc.contributor.authorReid, Ken_AU
dc.contributor.authorDixon, Men_AU
dc.contributor.authorPelekani, Cen_AU
dc.contributor.authorJarvis, Ken_AU
dc.contributor.authorWillis, Men_AU
dc.contributor.authorYu, Yen_AU
dc.date.accessioned2016-10-20T03:24:21Zen_AU
dc.date.available2016-10-20T03:24:21Zen_AU
dc.date.issued2014-02-17en_AU
dc.date.statistics2016-10-20en_AU
dc.description.abstractBiofouling compromises the efficiency of membrane desalination systems, especially energy and product water quality. Feed spacers employed in conventional spiral wound membranes create turbulence to minimise concentration polarisation. Research demonstrates that feed spacers can enhance biological growth within membrane elements. In combination with the strong link between fouling and surface hydrophobicity chemical modification of feed spacers could help counteract biofouling potential. In this study, an evaluation of feed spacers coated with diglyme using plasma polymerisation was assessed. Low energy density treatment was associated with an increase in biofouling, compared with the control, consistent with insufficient cross-linking of the diglyme monomer to the spacer surface. Increasing energy density treatment resulted in fouling performance approaching that of, or slightly better than the control. It is possible that batch recirculation type experiments may not best facilitate assessment of biofouling potential in single-pass cross-flow membrane systems. The study demonstrated that plasma treatment of conventional feed spacers has potential to reduce affinity for bacterial attachment, and may provide a viable and complementary approach to direct membrane surface modification for biofouling control. Further studies to quantify changes associated with diglyme plasma polymerisation and establish optimum conditions for biofouling minimisation are recommended. © 2013, Elsevier B.V.en_AU
dc.identifier.citationReid, K., Dixon, M., Pelekani, C., Jarvis, K., Willis, M., & Yu, Y. (2014). Biofouling control by hydrophilic surface modification of polypropylene feed spacers by plasma polymerisation. Desalination, 335(1), 108-118. doi:10.1016/j.desal.2013.12.017en_AU
dc.identifier.govdoc7373en_AU
dc.identifier.issn0011-9164en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleDesalinationen_AU
dc.identifier.pagination108-118en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.desal.2013.12.017en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7839en_AU
dc.identifier.volume335en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectBiological foulingen_AU
dc.subjectDesalinationen_AU
dc.subjectMembranesen_AU
dc.subjectPolarizationen_AU
dc.subjectPlasmaen_AU
dc.subjectOsmosisen_AU
dc.titleBiofouling control by hydrophilic surface modification of polypropylene feed spacers by plasma polymerisationen_AU
dc.typeJournal Articleen_AU
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