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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/29727


    標題: A novel plate settler in immersed membrane bioreactor (iMBR) in reducing membrane fouling
    作者: Rattananurak, Wasu
    Chang, Jing-Song
    Wattanachira, Suraphong
    Johir, M. A. H.
    Vigneswaran, Saravanamuthu
    貢獻者: 環境工程與科學系
    關鍵字: Membrane bioreactor
    Inclined plate
    Air scouring
    Periodic backwash
    日期: 2015-07
    上傳時間: 2016-04-19 19:06:03 (UTC+8)
    出版者: Taylor & Francis Inc
    摘要: Membrane separation technology has been widely applied in water and wastewater treatments, especially in the water reclamation and recycling. However, the membrane fouling decreases the membrane efficiency and increases the cost of the process, thus limiting the membrane application. There are two types of membrane bioreactors (MBRs), immersed (iMBR) and side streamed. However, the membrane surfaces of these two types of MBR are always directly exposed to high concentration of suspended solids (SS) and easily get fouling. A novel MBR was designed to reduce membrane fouling. Incorporation of inclined plate in MBR can separate high SS from direct contact with the membrane surface and decreases membrane fouling. The iMBR used in this study consists of an aeration zone, a settling zone, and a filtration zone. The reactor operated under the upflow mode of operation with 0.06 mu m membrane pore size and with and without membrane backwashing. The results showed that the novel iMBR can reduce the SS concentration in the filtration zone up to 97.3% and increase the permeate flux over 41.9% than that of normal iMBR.
    關聯: Desalination And Water Treatment, v.55 n.1, pp.10-16
    Appears in Collections:[環境工程與科學系(所)] 期刊論文

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