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Micro-Filtration Performance of Metal Membrane md Fouling Reduction by Intermittent Ozonation  

김종오 (강릉대학교 토목공학과)
정종태 (강릉대학교 토목공학과)
Publication Information
Membrane Journal / v.14, no.1, 2004 , pp. 66-74 More about this Journal
Abstract
Total resistance of membrane in a micro-filtration system using a metal membrane was mainly attributed to the permeate resistance of cake layer($R_c$), which was formed by deposited particles from the physico-chemical interactions of solids on membrane surface. Intermittent back ozonation was highly effective than the air backwashing for fouling reduction. As far the operational effect, under same ozone injection, the increase of gas flow-rate was more favorable than the increase of injection time far the recovery of permeation flux. As the filtration time was longer, the effect of flux recovery by intermittent back-ozonation decreased. Therefore, it is preferable to operate membrane cleaning before the foulant is consolidated on membrane surface.
Keywords
metal membrane; fouling reduction; intermittent ozonation;
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Times Cited By KSCI : 2  (Citation Analysis)
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