Membrane bioreactor
CFD Simulation of Fouling by Biological materials in Membrane Bioreactor
... In this paper, a mathematical model changing over the time is developed to describe and evaluate the effects of different parameters on the membrane performance in membrane bioreactor (MBR). Using ...
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WASTEWATER TREATMENT IN A PILOT-SCALE SUBMERGED MEMBRANE BIOREACTOR: STUDY OF HYDRODYNAMICS UNDER CONSTANT OPERATING PRESSURE
... Submerged Membrane Bioreactor provided with PEI hollow fiber membranes was operated under constant pressure mode in order to evaluate the effects of hydrodynamic conditions on the process performance, such ...
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Microbial transformation of biomacromolecules in a membrane bioreactor: implications for membrane fouling investigation.
... The biodegradability assays of SMP, EPS, and MSF were performed in three triangular flasks for 21 days at 20 uC under a dark condition, respectively. The experimental illustration of the bioassay tests are shown in ...
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Optimizing the Operational Conditions of a Membrane Bioreactor Used for Domestic Wastewater Treatment
... This study evaluated the performance of a sidestream membrane module combined with an aeration system for the treatment of municipal wastewater. To investigate the membrane’s behavior and to control fouling, ...
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APPLICATION OF SUBMERGED MEMBRANE BIOREACTOR TECHNOLOGY FOR THE TREATMENT OF HIGH STRENGTH DAIRY WASTEWATER
... of an aerobic jet loop bioreactor coupled to membranes for the treatment of whey from a cheese-making process. The authors achieved COD removal efficiencies over 94%; however, the HRT and SRT were 0.82 to 2.8 days ...
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Degradation of a model azo dye in submerged anaerobic membrane bioreactor (SAMBR) operated with powdered activated carbon (PAC)
... aimed to assess the effect of external sources of carbon (glucose) or redox mediator (yeast extract) on the removal or color and organic matter. The results showed that removal efficiencies of COD (73e94%) and color ...
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Membrane Bioreactor for treating petroleum refinery effluent: treatment performance, membrane fouling mechanism and fouling control
... water. Membrane bioreactors (MBR) have been widely implemented to treat industrial effluents due to their higher capability to remove organic matters and inorganic pollutants from wastewater compared to ...
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Food waste valorization through the production of polyhydroxyalkanoates by mixed microbial cultures
... In this study, a three-stage MMC PHA process was used, comprising: (1) anaerobic fermentation of surplus feedstocks to produce OAs in a membrane bioreactor (AnMBR[r] ...
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Braz. J. Chem. Eng. vol.30 número4
... The membrane bioreactor and the membrane module used were built by PAM Selective Membranes (Rio de Janeiro, ...µm, membrane area of ...
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OBTAINING PARTIAL PURIFIED XYLOSE REDUCTASE FROM CANDIDA GUILLIERMONDII
... By using the membrane bioreactor, the purification yield was calculated by the sum of XR activities of each collected sample. However, the XR activity was significantly detected only in the first five ...
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Oxygen transport and stem cell aggregation in stirred-suspension bioreactor cultures.
... Despite the advantages of culturing PSCs as aggregates in stirred-suspension vessels, less attention has been devoted to limitations in the transfer of medium components to and within PSC clusters. Concentration ...
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Dynamic Membrane Formation in Anaerobic Dynamic Membrane Bioreactors: Role of Extracellular Polymeric Substances.
... with membrane fouling [13, ...induce membrane fouling [15, ...on membrane fouling [17, ...high membrane fouling potential at initial stage can benefit DM ...
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A HIGH-TEMPERATURE POLYMER ELECTROLYTE MEMBRANE FUEL CELL INTEGRATED WITH A PACKED BED MEMBRANE REACTOR
... packed bed membrane reformer was assessed, showing concentration polarization which affected the hydrogen permeability. Despite the PBMR-C/HT-PEMFC has showed a performance lower than the one obtained with a ...
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Acinetobacter baumannii outer membrane vesicles elicit a potent innate immune response via membrane proteins.
... treated OMVs did not induce expression of cytokine genes, although the luminal proteins were conserved in the OMVs, confirming the role of surface-exposed membrane proteins in triggering a pro-inflammatory ...
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PHYSICAL MEANING OF CERTAIN SIMILARITY CRITERIAS OF TRANSPORT PROCESSES IN THE DESALTING CHANNEL THE ELECTRODIALYSIS DEVICE WITH ELECTROCONVECTION
... 19. Vasil’eva, V.I. The membrane-solution interface under high-performance current regimes of electrodialysis by means of laser interferometry / V.I. Vasil’eva, V.A. Shaposhnik, O.V. Grigorchuk, I.P. Petrunya // ...
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COLUMN BIOREACTOR USE FOR OPTIMIZATION OF PECTINASE PRODUCTION IN SOLID SUBSTRATE CULTIVATION
... This study aimed to determine the influence of process variables and production, of polygalacturonase (PG) and polymetylgalacturonase (PMG) by solid substrate cultivation using a fixed bed column bioreactor. A ...
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HETEROTROPHIC CULTIVATION OF EUGLENA GRACILIS ON CHEMICALLY PRETREATED MEDIA
... the bioreactor was wrapped in aluminum foil in order to avoid light ...the bioreactor were repeated and the standard deviation of experimental data was ...
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J. Braz. Chem. Soc. vol.28 número12
... cell membrane permeability with the low ...plasma membrane not seen by TEM. The plasma membrane rupture is modulated in response to the programmed cell death by necrosis, which is also characterized ...
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Outward potassium current oscillations in macrophage polykaryons: extracellular calcium entry and calcium-induced calcium release
... as well as in sarcoplasmic reticulum (31,32). Figure 4 illustrates one experiment where quercetin, added to the external medium af- ter membrane potential oscillation had been induced, generated a long-lasting ...
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Photo-mixotrophic Cultivation of Algae Euglena gracilis for Lipid Production
... A growing range of studies has been conducted to explore the techniques, procedures and processes of producing large quantities of microalgae biomass (Rodoli et al., 2009; Spolaore et al., 2006). h ere are two most ...
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