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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/21684


    標題: Pharmaceutical wastewater treatment by membrane bioreactor process – a case study in southern Taiwan
    作者: Chia-Yuan Chang
    Jing-Song Chang
    Saravanamuthu Vigneswaran
    Jaya Kandasamy
    貢獻者: 環境工程與科學系
    關鍵字: Membrane bioreactor
    Pharmaceutical wastewater
    Viscosity
    Scanning electron microscope
    日期: 2008-12
    上傳時間: 2009-10-05 14:12:59 (UTC+8)
    摘要: A pilot-scale study of pharmaceutical wastewater treatment by a membrane bioreactor (MBR) process in southern Taiwan is presented in this paper. A 10 m3/day capacity MBR plant consisting of an aeration tank and a membrane bioreactor was installed to remove organic matter (measured in terms of chemical oxygen demand (COD)). The performance of the MBR was monitored for a period of 140 days. The removal of COD was on average over 95%. The effluent did not contain any suspended solids. During the 140 days of operation, manual cleaning was carried out twice and chemical cleaning was carried out once. A natural logarithmic evolution of the viscosity with TSS concentration was observed. The results of SEM and EDX demonstrated that the fouling on the membrane outer surface was mainly due to microorganisms and/or the sludge physiological properties. The results indicated that the MBR system has potential as a means of treating high-strength and fluctuating strength wastewater with consistent performance.
    關聯: Desalination 234(1-3):p.393-401
    Appears in Collections:[環境工程與科學系(所)] 期刊論文

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