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http://dx.doi.org/10.15681/KSWE.2011.27.1.6

The Study of Biofouling Control and Cause Material in Hybrid Process of Pure Oxygen and Submerged Membrane Bio-reactor  

Lee, Sang-Min (Department of Environmental Engineering, Kongju National University)
Kim, Mi-Hyung (Department of Environmental Engineering, Kongju National University)
Publication Information
Journal of Korean Society on Water Environment / v.27, no.1, 2011 , pp. 44-53 More about this Journal
Abstract
Membrane bio-reactor (MBR) has several advantages over the conventional activated sludge process, including a high biomass, low sludge production, and better permeate quality. Therefore, the MBR have gained popularity for municipal and industrial wastewater treatment. However the MBR usually were used for sewage and low streng th wastewater treatment because of membrane fouling problem and limitation of oxygen transfer into biomass. In this study, the hybrid process combining MBR and pure oxygen was tested for high strength organic wastewater treatment in the COD loading range from 2 to $10kgCOD/m^3{\cdot}day$. The hybrid process, membrane coupled pure oxygen high compact reactor (MPHCR), had been operated for one year and operation parameters, the effect of COD loading, MLSS concentration and the location of membrane module were studied for membrane fouling characteristic. Also membrane resistance test and the component of foulant was analyzed to investigate what is specific foulant in the MBR.
Keywords
Exo-cellular polymer (ECP); Filtration characteristic; Fouling; Membrane Bio-reactor (MBR); Sludge particle; Sludge viscosity;
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Times Cited By KSCI : 4  (Citation Analysis)
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