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http://dx.doi.org/10.4491/KSEE.2012.34.9.637

Effect of Trans-Membrane Pressure on Reversible and Irreversible Fouling Formation of Ceramic Membrane  

Lee, Heewon (Department of Construction Environmental Engineering, University of Science and Technology)
An, Kwangho (Environmental Eng. Research Division, Korea Institute of Construction Technology)
Choi, Juneseok (Environmental Eng. Research Division, Korea Institute of Construction Technology)
Kim, Seogku (Department of Construction Environmental Engineering, University of Science and Technology)
Oh, Hyunje (Department of Construction Environmental Engineering, University of Science and Technology)
Publication Information
Journal of Korean Society of Environmental Engineers / v.34, no.9, 2012 , pp. 637-643 More about this Journal
Abstract
This study was carried out to investigate how reversible and irreversible fouling were distributed in the filtration using ceramic membrane of 300 kDa pore size for secondary effluent of wastewater. It was performed by calculating fouling as numerical method for diverse TMPs and measured F-EEM and SEC for raw water, treated water and backwashed water. Water quality was also checked to know whether treated water quality was stable or not. The results showed that reversible fouling formation was increased when lower TMP was applied and it is caused by protein like organic matters having higher molecular weights. The secondary wastewater effluent had diverse molecular weight materials, especially contaminants lower than 0.5 kDa and bigger than 12 kDa. Decreasing TMP induced contaminants above 12 kDa and below 1 kDa to become reversible fouling.
Keywords
Ceramic Membrane; Trans-Membrane Pressure; Reversible Fouling; Irreversible Fouling; Reuse Water;
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