Novel magnetically induced membrane vibration (MMV) for fouling control in membrane bioreactors
نویسندگان
چکیده
منابع مشابه
Effect of Concentration of Cations on Activated Sludge Properties and Membrane Fouling in Membrane Bioreactors for Wastewater Treatment
This paper presents the results of an investigation on the effects of concentration of cations on activated sludge properties and membrane fouling in submerge membrane bioreactors. The working volume of the experimental setup was two liters. The cellulose acetate membrane was immersed in the bioreactor. The flocculability, settling properties and fouling propensity of activated sludge was measu...
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Microorganisms in membrane bioreactors (MBRs) play important roles on degradation of organic/inorganic substances in wastewaters, while microbial deposition/growth and microbial product accumulation on membranes potentially induce membrane fouling. Generally, there is a need to characterize membrane foulants and to determine their relations to the evolution of membrane fouling in order to ident...
متن کاملMembrane filtration device for studying compression of fouling layers in membrane bioreactors
A filtration devise was developed to assess compressibility of fouling layers in membrane bioreactors. The system consists of a flat sheet membrane with air scouring operated at constant transmembrane pressure to assess the influence of pressure on resistance of fouling layers. By fitting a mathematical model, three model parameters were obtained; a back transport parameter describing the kinet...
متن کاملA Preliminary Diagnostic Method for Membrane Fouling Using Extracellular Proteins Secreted in Pilot-Scale Membrane Bioreactors
Membrane bioreactors (MBRs) are advanced tools for biological wastewater treatment to obtain high-quality treated water using ultrafiltration or microfiltration membranes for solid–liquid separation2). Despite their advantages over the conventional activated sludge method, a major challenge associated with the use of MBRs is membrane fouling, which involves the clogging of membrane pores due to...
متن کاملeffect of concentration of cations on activated sludge properties and membrane fouling in membrane bioreactors for wastewater treatment
this paper presents the results of an investigation on the effects of concentration of cations on activated sludge properties and membrane fouling in submerge membrane bioreactors. the working volume of the experimental setup was two liters. the cellulose acetate membrane was immersed in the bioreactor. the flocculability, settling properties and fouling propensity of activated sludge was measu...
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ژورنال
عنوان ژورنال: Water Research
سال: 2012
ISSN: 0043-1354
DOI: 10.1016/j.watres.2011.10.026