BEHAVIOUR OF AQUAPORIN FORWARD OSMOSIS FLAT SHEET MEMBRANES DURING THE CONCENTRATION OF CALCIUM-CONTAINING LIQUIDS

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dc.contributor.authorOmir, Alibek
dc.contributor.authorSatayeva, Aliya R.
dc.contributor.authorChinakulova, Aigerim
dc.contributor.authorKamal, Arailym
dc.contributor.authorKim, Jong
dc.contributor.authorInglezakis, Vassilis J.
dc.contributor.authorArkhangelsky, Elizabeth
dc.date.accessioned2021-07-09T10:23:09Z
dc.date.available2021-07-09T10:23:09Z
dc.date.issued2020-05-22
dc.description.abstractThis study aims to examine the scaling and performance of flat sheet aquaporin FO membranes in the presence of calcium salts. Experiments showed that the application of calcium sulphate (CaSO4) resulted in an 8–78% decline in the water flux. An increase in the cross-flow velocity from 3 to 12 cm/s reduced the decline in the flux by 16%. The deposition of salt crystals on the membrane surface led to the alteration in the membrane’s intrinsic properties. Microscopy, attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy, and X-Ray fluorescence (XRF) analyses confirmed measurements of the zeta potential and contact angle. The use of a three-salt mixture yielded severe scaling as compared with the application of calcium sulphate dehydrate (CaSO4 × 2H2O), i.e., a result of two different crystallisation mechanisms. We found that the amount of sodium chloride (NaCl), saturation index, cross-flow velocity, and flow regime all play an important role in the scaling of aquaporin FO flat sheet membranes.en_US
dc.identifier.citationOmir, A., Satayeva, A., Chinakulova, A., Kamal, A., Kim, J., Inglezakis, V. J., & Arkhangelsky, E. (2020). Behaviour of Aquaporin Forward Osmosis Flat Sheet Membranes during the Concentration of Calcium-Containing Liquids. Membranes, 10(5), 108. https://doi.org/10.3390/membranes10050108en_US
dc.identifier.issn2077-0375
dc.identifier.urihttps://doi.org/10.3390/membranes10050108
dc.identifier.urihttps://www.mdpi.com/2077-0375/10/5/108
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/5551
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.relation.ispartofseriesMembranes;2020, 10(5), 108; https://doi.org/10.3390/membranes10050108
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectaquaporinen_US
dc.subjectforward osmosis (FO)en_US
dc.subjectmembraneen_US
dc.subjectscalingen_US
dc.subjectcalciumen_US
dc.subjectType of access: Open Accessen_US
dc.subjectResearch Subject Categories::TECHNOLOGYen_US
dc.titleBEHAVIOUR OF AQUAPORIN FORWARD OSMOSIS FLAT SHEET MEMBRANES DURING THE CONCENTRATION OF CALCIUM-CONTAINING LIQUIDSen_US
dc.typeArticleen_US
workflow.import.sourcescience

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