Field Evaluation of UF Filtration Pretreatment Impact on RO Membrane Scaling

Field Evaluation of UF Filtration Pretreatment Impact on RO Membrane Scaling

Pretreatment of reverse osmosis (RO) feed water of high mineral scaling propensity was evaluated with respect to downstream RO membrane scaling, for two different feed pretreatment configurations. The pretreatment schemes included (i) media sand filtration, followed by a hydrocyclone (HC) and (ii) a...

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Veröffentlicht in:Water (Basel) 2023-03, Vol.15 (5), p.847
Hauptverfasser: Jarma, Yakubu A., Thompson, John, Khan, Bilal M., Cohen, Yoram
Format: Artikel
Sprache:eng
Schlagworte:
Brackish water
Configurations
Costs (Law)
Crystallization
Desalination
Drainage
Energy consumption
Feedwater
Filtration
Gypsum
Hydrocyclones
Investigations
Membranes
Monitoring systems
Osmosis
Pretreatment
Reverse osmosis
Saline water conversion
Sand filters
Scaling
Turbidity
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Beschreibung
Zusammenfassung:Pretreatment of reverse osmosis (RO) feed water of high mineral scaling propensity was evaluated with respect to downstream RO membrane scaling, for two different feed pretreatment configurations. The pretreatment schemes included (i) media sand filtration, followed by a hydrocyclone (HC) and (ii) a hydrocyclone, microfilter, and a UF module, where both configurations included mesh screens for added protection. The first pretreatment configuration reduced the source water turbidity to ~0.5 NTU, while treatment that included UF feed yielded turbidity of
ISSN:2073-4441
2073-4441
DOI:10.3390/w15050847