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|Title:||Performance and fouling characteristics of different pore-sized submerged ceramic membrane bioreactors (SCMBR)||Authors:||Jin, L.
|Issue Date:||2009||Citation:||Jin, L., Ng, H.Y., Ong, S.L. (2009). Performance and fouling characteristics of different pore-sized submerged ceramic membrane bioreactors (SCMBR). Water Science and Technology 59 (11) : 2213-2218. ScholarBank@NUS Repository.||Abstract:||The membrane bioreactor (MBR), a combination of activated sludge process and the membrane separation system, has been widely used in wastewater treatment. However, 90% of MBR reported were employing polymeric membranes. The usage of ceramic membranes in MBR is quite rare. Four submerged ceramic membrane bioreactors (SCMBRs) with different membrane pore size were used in this study to treat sewage. The results showed that the desirable carbonaceous removal of 95% and ammonia nitrogen removal of 98% were obtained for all the SCMBRs. It was also showed that the ceramic membranes were able to reject some portions of the protein and carbohydrate, whereby the carbohydrate rejection rate was much higher than that of protein. Membrane pore size did not significantly affect the COD and TOC removal efficiencies, the composition of EPS and SMP or the membrane rejection rate, although slight differences were observed. The SCMBR with the biggest membrane pore size fouled fastest, and membrane pore size was a main contributor for the different fouling potential observed. © IWA Publishing 2009.||Source Title:||Water Science and Technology||URI:||http://scholarbank.nus.edu.sg/handle/10635/65975||ISSN:||02731223|
|Appears in Collections:||Staff Publications|
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