Desalination Using Zeolite Membranes - Water Resources ...

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Introduction• Produced water treatment– High salt concentration (as high as 20 wt%, 200,000 ppm)– Dissolvable hydrocarbon– High cost of treatment (∼$1.7/barrel)• Polymeric membrane– Serious hydrolysis at produced water condition– Sensitive to pH changes• Inorganic membrane– High flux ($$)– High thermal and chemical stability ($$)– Regeneration capability ($$)– Perhaps, low pretreatment cost ($$$$$$)
<strong>Zeolite</strong> Membrane SynthesisNucleationFilm formationCrystal growthSynthesis methods used:• In-situ crystallization• Second growth• Vapor phase conversionContinuous zeolite layerPorous a-alumina support
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Page 5 and 6: WaterDog Phase I, 1998-20021) In 19
Page 7: Polycrystalline Zeolite Membranesfo
Page 11 and 12: Mechanisms of Ion Removal by Zeolit
Page 13 and 14: Zeolite Membrane--Image of Cross-Se
Page 15 and 16: Ion Removal Testing of BrineNumberI
Page 17 and 18: Separation and Flux at Different Te
Page 19 and 20: Summary• Zeolite membranes show p
Page 21: PRRC Separation group members:Dr. J

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