نتایج جستجو برای: membrane bioreactor mbr
تعداد نتایج: 394910 فیلتر نتایج به سال:
Membrane fouling has been regarded as one of the biggest challenges to widespread application of membrane bioreactor (MBR). This study focuses on minimizing the membrane fouling and improving the performance of submerged membrane bioreactor (SMBR) by porous sponge addition. The effects of sponge addition on sustainable flux and membrane fouling were investigated. Acclimatized sponge could signi...
To reduce the hazard of sulfamethoxazole (SMX) to water ecology, removal mechanism SMX in wastewater was revealed. This study evaluated PVDF/DA modified membrane bioreactor (MBR) toward and degradation as a recalcitrant micropollutant. A strategy dopamine for surface modification polyvinylidene fluoride (PVDF) proposed, prepared. Subsequently, run MBR 60 days, reactor could produce good ability...
The aim of this study was to assess the potential removal efficacy of enteric viruses in a fullscale membrane bioreactor (MBR) wastewater reuse system, using a range of indigenous and ‘spiked’ bacteriophages (phages) of known size and morphology. Samples were taken each week for three months from nine locations at each treatment stage of the water recycling plant (WRP) and tested for a range of...
Background and aims: In the present study, the performance of Semnan Industry Park’s MBR/RO advanced treatment system for industrial effluent reusing was investigated. Methods: To determine the performance efficiency of full-scale membrane bioreactor (MBR) with submerged polyether sulfone flat sheet modules (MA04-150, pore size of 0.05 &mum) into an aeration tank, the potenti...
Factors affecting filtration characteristics in submerged hollow fiber membrane were investigated in membrane-coupled moving bed biofilm reactor (M-CMBBR). The trend of membrane biofouling in M-CMBBR was quite different from that in a conventional membrane bioreactor (MBR). The M-CMBBR showed much lower biofouling rate than a conventional MBR. Whereas the membrane biofouling in conventional MBR...
Recovering nutrients, especially phosphate resource, from wastewater have attracted increasing interest recently. Herein, an intermittently aerated membrane bioreactor (MBR) with a mesh filter was developed for simultaneous chemical oxygen demand (COD), total nitrogen (TN) and phosphorous removal, followed by phosphorus recovery from the phosphorus-rich sludge. This integrated system showed enh...
The biodegradation of selected non-adsorbing persistent polar pollutants (P(3)) during wastewater (WW) treatment was studied by comparing a lab-scale membrane bioreactor (MBR) running in parallel to activated sludge treatment (AST). The investigated P(3) are relevant representatives or metabolites from the compound classes: pesticides, pharmaceuticals, insect repellents, flame retardants and an...
Although membrane bioreactor (MBR) systems provide better removal of pathogens compared to conventional activated sludge processes, they do not achieve total log removal. The present study examines two MBR systems treating municipal wastewater, one a full-scale MBR plant and the other a lab-scale anaerobic MBR. Both of these systems were operated using microfiltration (MF) polymeric membranes. ...
The membrane bioreactor (MBR) integrates well within the conventionally activated sludge system regarding advanced membrane separation for wastewater treatment. Over the last decade, a number of MBR systems have been constructed worldwide and this system is now accepted as a technology of choice for wastewater treatment especially for municipal wastewater. The aim of this work was to investigat...
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