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Letteratura scientifica selezionata sul tema "Membrane bioreactor"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 7 settembre 2023

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Articoli di riviste sul tema "Membrane bioreactor"

José Chimuca, Jacob Fortuna, Catarina Simone Andrade do Canto, José Tavares de Sousa, Valderi Duarte Leite e Wilton Silva Lopes. "Anaerobic dynamic membrane bioreactor applied to wastewater treatment: a review". Afinidad. Journal of Chemical Engineering Theoretical and Applied Chemistry 80, n. 598 (30 marzo 2023): 19–34. http://dx.doi.org/10.55815/413319.

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Membrane bioreactors have been widely used in biological wastewater treatment. The membranes used in this type of technology are produced from organic or inorganic materials. However, membranes can also be formed from the deposition of solid particles, colloids, and polymeric materials, as well as microbial cells and flocs, on an inert support during the filtration process. When coupled to a bioreactor, they establish a unique system called a dynamic membrane bioreactor (DMBR). This type of bioreactor, while retaining the solids and microorganisms present in the system, removes both easy and difficult-to-degrade organic material, which reduces treatment costs and makes it advantageous compared to conventional membrane bioreactors (MBRs). In Brazil, this technology is relatively new and still little explored. Therefore, the present study aims to evaluate the DMBR's performance in anaerobic wastewater treatment systems. In addition to the advantages and disadvantages presented by this type of system compared to conventional MBRs (micro and ultrafiltration), the fouling phenomenon, its implications, and the theories that explain the formation of the dynamic layer are described. Finally, some challenges that still need to be overcome in the use of this technology are pointed out in order to be affirmed as a safe and robust tool for the biological treatment of domestic and industrial wastewater.

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van Dijk, L., e G. C. G. Roncken. "Membrane bioreactors for wastewater treatment: the state of the art and new developments". Water Science and Technology 35, n. 10 (1 maggio 1997): 35–41. http://dx.doi.org/10.2166/wst.1997.0353.

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The combination of membrane separation technology and bioreactors has lead to a new focus on wastewater treatment. The application of membranes has led to very compact wastewater treatment systems with an excellent effluent quality. For concentrated wastewaters, like industrial streams and landfill leachate the membrane bioreactor has been applied at full scale successfully. The relatively high energy requirements have hindered the wide spread application of membrane bioreactors. Using new membrane techniques, like transfer flow modules, creates the possibilities of a more widespread application. This opens possibilities for far going reuse of wastewater, both industrial and municipal, decrease in sludge production and small-footprint bioreactors for less concentrated wastewater streams.

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Choo, K.-H., I.-J. Kang, S.-H. Yoon, H. Park, J.-H. Kim, S. Adiya e C.-H. Lee. "Approaches to membrane fouling control in anaerobic membrane bioreactors". Water Science and Technology 41, n. 10-11 (1 maggio 2000): 363–71. http://dx.doi.org/10.2166/wst.2000.0681.

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Various fouling control methods were investigated for polymeric and ceramic microfiltration membranes in the anaerobic membrane bioreactors where inorganic precipitates and/or fine colloids have been recently known as the most significant foulants: (i) Substantial improvement of flux was achieved by backfeeding of acidic wastewater through the membrane module. The backfeeding mode formed an acidic environment around the membrane pores and thus suppressed struvite formation. (ii) Struvite precipitation was also mitigated when an additional combined dialysis/zeolite unit was attached to the bioreactor. With this combined unit the flux improvement for the ceramic membrane, where struvite had a severer fouling effect, was achieved more significantly than that for the polymeric membrane. (iii) To control the deposition of organics and fine colloids onto the polymeric membrane, powdered activated carbon (PAC) was added into the bioreactor, which gave rise to the reduction of specific cake resistances of biosolids through the sorption and/or coagulation of dissolved and colloidal matter. (iv) The hydrophilic modification of polypropylene (PP) membranes by graft polymerization reduced membrane fouling. Its effectiveness was most substantial at 70% of the degree of grafting, indicating that there was an optimal degree of grafting. This is possibly due to the steric hindrance of grafted polymer chains and the increase in the hydrophilicity of the grafted PP membrane.

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Endo, Isao. "A Membrane Bioreactor." membrane 21, n. 1 (1996): 18–22. http://dx.doi.org/10.5360/membrane.21.18.

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Mucha, Zbigniew, Włodzimierz Wójcik e Michał Polus. "Brief review of operation of anaerobic wastewater treatment with membrane bioreactors". E3S Web of Conferences 86 (2019): 00020. http://dx.doi.org/10.1051/e3sconf/20198600020.

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In recent years, anaerobic membrane bioreactor (AnMBR) technology has been considered as a very appealing alternative for wastewater treatment due to its significant advantages over conventional anaerobic treatment and aerobic membrane bioreactor (MBR) technology. The paper provides an overview of the current status of the anaerobic membrane bioreactor technology with a special emphasis on its performance and drawbacks when applied for domestic and municipal wastewater treatment. According to the reported data, the renewable energy produced at the plants (i.e. from methane) covered the energy demand for membrane filtration while the excess energy can be further utilized. Anaerobic membrane bioreactors are an attractive technology that needs further research efforts and applications at an industrial scale.

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Lesage, N., M. Spérandio e C. Cabassud. "Performances of a hybrid adsorption/submerged membrane biological process for toxic waste removal". Water Science and Technology 51, n. 6-7 (1 marzo 2005): 173–80. http://dx.doi.org/10.2166/wst.2005.0636.

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This study focuses on a hybrid process, which combines adsorption on powdered activated carbon (PAC), membrane separation using immersed hollow fibers and biological activity. The first part shows that PAC addition in a complex system (containing dissolved molecules and biological particles) can reduce membrane fouling. In that system, DMP removal is function of the activated carbon concentration. Then, respirometric experiments allowed comparison of toxic sensitivity and biological degradation of different bioreactors (membrane bioreactor (MBR), adsorptive membrane bioreactor (PAC-MBR) and classical activated sludge bioreactor (AS)). Results point out that MBR sludge is less sensitive to the toxic than the AS. For high toxic concentration, PAC addition in the MBR decreases rapidly the toxic concentration under the EC50 in the bioreactor, which allows a better biodegradation of the toxic compound. DMP assimilation is completed more rapidly with the PAC-MBR than the MBR.

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Deng, Zhi Hua, Ping Ning, Cheng Zhou, Jian Hong Huang e Kui Yang. "The Biotechnology for Odours-A Review". Advanced Materials Research 403-408 (novembre 2011): 1432–37. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.1432.

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This article provides an overview about the microbes selecting, types of bioreactors, the treatment condition, etc. which influence the odors abatement effect. In the recent past, many highly efficiency microorganisms on the actual governance of malodorous gases have been selected and trained. Among different bioreactor configurations, biofilters, biotrickling filters and bioscrubbers are most common ones. The membrane bioreactor and the three phase fluidised bed bioreactor as new bioreactors have broad development prospects. Finally, this review also provides how to insights into future R&D needs in this area.

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Fatone, F., A. L. Eusebi, P. Battistoni e P. Pavan. "Exploring the potential of membrane bioreactors to enhance metals removal from wastewater: pilot experiences". Water Science and Technology 57, n. 4 (1 marzo 2008): 505–11. http://dx.doi.org/10.2166/wst.2008.115.

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The potential of membrane bioreactors to enhance the removal of selected metals from low loaded sewages has been explored. A 1400 litre pilot plant, equipped with an industrial submerged module of hollow fibre membranes, has been used in three different configurations: membrane bioreactor, operating in sequencing batch modality, for the treatment of real mixed municipal/industrial wastewater; membrane-assisted biosorption reactor, for the treatment of real leachate from municipal landfills; continuously fed membrane bioreactor, for the treatment of water charged with cadmium and nickel ions. The results show that: (a) in treating wastewaters with low levels of heavy metals (< one milligram per litre concentration), operating high sludge ages is not an effective strategy to significantly enhance the metals removal; (b) Hg and Cd are effectively removed already in conventional systems with gravitational final clarifiers, while Cu, Cr, Ni can rely on a additional performance in membrane bioreactors; (c) the further membrane effect is remarkable for Cu and Cr, while it is less significant for Ni. Basically, similar membrane effects recur in three different experimental applications that let us estimate the potential of membrane system to retain selected metal complexes. The future development of the research will investigate the relations between the membrane effect and the manipulable filtration parameters (i.e., permeate flux, solids content, filtration cycle).

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Catapano, Gerardo, Juliane K. Unger, Elisabetta M. Zanetti, Gionata Fragomeni e Jörg C. Gerlach. "Kinetic Analysis of Lidocaine Elimination by Pig Liver Cells Cultured in 3D Multi-Compartment Hollow Fiber Membrane Network Perfusion Bioreactors". Bioengineering 8, n. 8 (23 luglio 2021): 104. http://dx.doi.org/10.3390/bioengineering8080104.

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Liver cells cultured in 3D bioreactors is an interesting option for temporary extracorporeal liver support in the treatment of acute liver failure and for animal models for preclinical drug screening. Bioreactor capacity to eliminate drugs is generally used for assessing cell metabolic competence in different bioreactors or to scale-up bioreactor design and performance for clinical or preclinical applications. However, drug adsorption and physical transport often disguise the intrinsic drug biotransformation kinetics and cell metabolic state. In this study, we characterized the intrinsic kinetics of lidocaine elimination and adsorption by porcine liver cells cultured in 3D four-compartment hollow fiber membrane network perfusion bioreactors. Models of lidocaine transport and biotransformation were used to extract intrinsic kinetic information from response to lidocaine bolus of bioreactor versus adhesion cultures. Different from 2D adhesion cultures, cells in the bioreactors are organized in liver-like aggregates. Adsorption on bioreactor constituents significantly affected lidocaine elimination and was effectively accounted for in kinetic analysis. Lidocaine elimination and cellular monoethylglicinexylidide biotransformation featured first-order kinetics with near-to-in vivo cell-specific capacity that was retained for times suitable for clinical assist and drug screening. Different from 2D cultures, cells in the 3D bioreactors challenged with lidocaine were exposed to close-to-physiological lidocaine and monoethylglicinexylidide concentration profiles. Kinetic analysis suggests bioreactor technology feasibility for preclinical drug screening and patient assist and that drug adsorption should be accounted for to assess cell state in different cultures and when laboratory bioreactor design and performance is scaled-up to clinical use or toxicological drug screening.

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Świerczyńska, Anna, Jolanta Bohdziewicz e Ewa Puszczało. "Treatment of industrial wastewater in the sequential membrane bioreactor". Ecological Chemistry and Engineering S 23, n. 2 (1 giugno 2016): 285–95. http://dx.doi.org/10.1515/eces-2016-0020.

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Abstract The aim of presented study which was associated with modification of the various work cycle phases duration in the membrane bioreactor, was to reduce the concentration of phosphate phosphorus during the leachate co-treatment with dairy wastewater. The experimental set-up was comprised of the membrane bioreactor equipped with the immersed membrane module installed inside the reactor chamber, and the equalization tank. During the co-treatment experiment performance the excessive activated sludge was constantly removed from the membrane bioreactor in order to keep its concentration at 3.5 g/dm3. The load of the sludge with the contaminants was equal to 0.06 g COD/g d.m. d. The concentration of oxygen was equal to 3 mg/dm3. The share of the leachates in the co-treated mixture was equal to 10% vol. The membrane bioreactor worked as the sequential biological reactor, in two cycles per day. Duration of each phase was equal as follows: filling - 10 min - with concurrent mixing phase lasting for 4 h, aeration phase - 1 h, sedimentation - 30 min and removal from purified wastewater - 30 min. After 4 weeks under these conditions, the modification of the sequential membrane bioreactor’s work cycle was made. The duration of particular phases was shortened and two phases of denitrification and nitrification were introduced. Work cycle phases were modified as follows: filling - 10 min - with concurrent mixing phase lasting for 3 h, aeration phase - 4 h, mixing phase - 1 h, aeration phase - 3 h, sedimentation - 30 min and removal from purified wastewater - 30 min. Based on research, it was found that the change in membrane bioreactors’ work cycle affects the effectiveness of treated mixture. It was found that the applied modification of phases of the cycle of the MSBR did not affect the concentration of organic compounds and the no significant changes in the concentration of ammonium and nitrate nitrogen in the effluent from the bioreactor were observed, however, the total nitrogen removal efficiency increased by 50%. Alteration of MSBR reactor particular phases duration caused reduction of concentration of P-PO43 from 4.7 to 2.9 mg/dm3.

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Tesi sul tema "Membrane bioreactor"

Ntwampe, Seteno Karabo Obed. "Multicapillary membrane bioreactor design". Thesis, Cape Peninsula University of Technology, 2005. http://hdl.handle.net/20.500.11838/897.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology, 2005
The white rot fungus, Phanerochaete chrysosporium, produces enzymes, which are capable of degrading chemical pollutants. It was detennined that this fungus has multiple growth phases. The study provided infonnation that can be used to classify growth kinetic parameters, substrate mass transfer and liquid medium momentum transfer effects in continuous secondary metabolite production studies. P. chrysosporium strain BKMF 1767 (ATCC 24725) was grown at 37 QC in single fibre capillary membrane bioreactors (SFCMBR) made of glass. The SFCMBR systems with working volumes of 20.4 ml and active membrane length of 160 mm were positioned vertically. Dry biofilm density was determined by using a helium pycnometer. Biofilm differentiation was detennined by taking samples for image analysis, using a Scanning Electron Microscope at various phases of the biofilm growth. Substrate consumption was detennined by using relevant test kits to quantify the amount, which was consumed at different times, using a varying amount of spore concentrations. Growth kinetic constants were detennined by using the substrate consumption and the dry biofilm density model. Oxygen mass transfer parameters were determined by using the Clark type oxygen microsensors. Pressure transducers were used to measure the pressure, which was needed to model the liquid medium momentum transfer in the lumen of the polysulphone membranes. An attempt was made to measure the glucose mass transfer across the biofilm, which was made by using a hydrogen peroxide microsensor, but without success.

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Jones, Franck Anderson. "Modelling of novel rotating membrane bioreactor processes". Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/16345.

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Previous membrane researches undertaken over the years to develop general deadend filtration models made use of an approach that combined all three classical fouling mechanisms, namely, pore blocking, pore constriction and cake filtration. More recently researchers have modified and adapted this modelling approach for a cross flow side-stream membrane bioreactor (MBR) system. Literature also reveals that there have been numerous recent experimental studies conducted on rotating membrane bioreactor (RMBR) systems. Some of these studies have resulted in the creation of RMBR models of the membrane fouling process as well. However, simulation and modelling of the fouling in RMBRs is still a nascent topic to date due to poor understanding and great complexity of the system hydrodynamics involved. Even when models are developed, they are either too complex to be useful at operational level, or not comprehensive enough to express all possible operational scenarios. In many cases they are simply too difficult to calibrate and thus ending up being more suited as research tools rather than for direct process control. As such, further research is required in this area. The research reported in this thesis consists of the development and validation of a RMBR system fouling model that incorporates all three classical fouling mechanisms. This thesis work is divided into two main sections. On top of a literature review that thoroughly describes the background theory and general information on MBRs along with their state of the art, the first section of the thesis also explains the specific methodologies used to accomplish all the main tasks carried out in this research work. The first step of these methodologies involves the setting-up of a rotating MBR system process based upon the FUV-185-A15R Flexidisks membrane module that was developed by Avanti Membrane Technology (USA). This system was used to collect the majority of the data used in this thesis. Since some of these data outputs were compared against non-rotating MBR systems, a similar setting-up process for a bespoke static square MBR system was carried out as well. Using synthetic wastewater in conjunction with activated sludge, mixed liquor suspended solids in both MBR system bioreactors were increased in levels over time to desired levels (i.e. by periodic excess sludge wasting). Trans-membrane pressure (TMP)-stepping fouling data was then acquired from operations of these membrane ultrafiltration processes. This data was obtained by measuring the flux decline or TMP increase. Following data collection, a dynamic fouling model for this RMBR system was then created in Matlab (using the Genetic Algorithm function). To do this, hydrodynamic regimes such as air scouring and rotating shear effects along with all the three classical fouling mechanisms were included in the mathematical fouling model that was created from first principles. For the purpose of comparison, a similar fouling model was created without incorporating the rotational effects for the static square MBR system. This included modelling of the hydrodynamics as well. Finally, both these models were validated and calibrated using the data that were collected from both laboratory-based MBR systems. The second phase of the thesis explores the numerous outputted results produced via model simulations which were then discussed and analysed in great detail. Results from this research indicate that the mathematical models give a decent portrayal and description of the fouling mechanisms occurring within a rotating MBR system. It was found that the rotational mechanisms in terms of fouling prevention accounted for only twelve percent of cake removal with the rest being accomplished through the air scouring mechanism. However, it was found that although the slowly rotating spindle induced a weak crossflow shear, it was still able to even out cake build up across the membrane surface, thus reducing the likelihood of localised critical flux being exceeded, which would lead to dramatic loss of flux. Furthermore, when compared against the static MBR system, the study concluded that a rotating MBR system could increase the flux throughput by a significant amount. In conclusion, RMBR systems appear to represent alternative viable solutions when compared against the traditional static MBR systems that currently dominate the industrial and municipal marketplace. In future, RMBR systems may become the systems of first choice once there is a better understanding of the rotational processes, and once research and design into this sector broadens. Future study areas should thus focus on: whether the forces acting on an activated sludge particle during rotation have a significant effect on the fouling or the shear hydrodynamic regimes; whether activated sludge and benchmark models could be created for rotating MBRs whilst including the shear effects and hydrodynamic regimes; whether model predictive control using these developed RMBR models would enhance efficiency gains within an operational plant; and, whether the real measured soluble microbial products (SMP) concentrations could be used to create an even better SMP predictive model that accurately explains fouling behaviour.

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Radocaj, Olgica. "Ethanol fermentation in a membrane bioreactor". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0015/MQ45840.pdf.

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Germain, E. A. M. "Biomass effects on membrane bioreactor operations". Thesis, Cranfield University, 2004. http://dspace.lib.cranfield.ac.uk/handle/1826/11032.

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Diverse operating parameters were investigated for their effects on biomass characteristics, membrane fouling and aeration efficiency in submerged membrane bioreactors (MBRS). The characteristics of the solid phase of the biomass were affected by the biomass state (unstabilised, stabilising and stabilised) and by the SRT and HRT, whereas the characteristics of the liquid phase appeared to be more dependent on inuent composition and strength. Under operating conditions at constant SRT and HRT, the biomass characteristics reached their stabilised state aer 1.0±0.3 SRT. The impact of membrane aeration, permeate flux and biomass characteristics was determined for biomass at unstabilised state and at stabilised state. A transitional permeate flux was observed between 16.5 and 22 l.m`2.h`l, below which no significant fouling was observed regardless of the permeate flux, membrane airflow velocity and biomass characteristics. Above transitional flux, membrane fouling increased and was affected by the permeate flux, the membrane aeration velocity and parameters either characterising the liquid or the solid phase of the biomass depending on the carbohydrate concentration of the liquid phase. A comparison of ne and coarse bubble aeration efficiency for biomass at unstabilised state and at several airflow rates established that ne bubble aeration was more efficient in tem of oxygen transfer rate, but led to similar values to coarse bubble aeration for ot-factor. The effects of airflow rate and biomass characteristics on oxygen transfer coefficient and ot-factor were determined for biomass coming from pilot and full scale submerged MBRS treating municipal and industrial wastewaters. Solids concentrations (correlated to viscosity), COD concentration of the liquid phase, carbohydrate concentration of the EPS and volumetric airflow rate were found to affect the aeration efficiency parameters. A transitional solids concentration existed around 15 g.L", above which low or no oxygen transfer occurred.

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Du, Preez Ryne. "Development of a membrane immobilised amidase bioreactor system". Thesis, Link to the online version, 2008. http://hdl.handle.net/10019/1996.

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Pavasant, Prasert. "Modelling of the extractive membrane bioreactor process". Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266478.

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Boontawan, Apichat. "A membrane bioreactor for biotransformation of terpenes". Thesis, Imperial College London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.413713.

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Splendiani, Antonietta. "Biofilm control in an extractive membrane bioreactor". Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401883.

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Mamo, Julian. "Assessment and optimisation of the operation of integrated membrane system for wastewater reclamation". Doctoral thesis, Universitat de Girona, 2018. http://hdl.handle.net/10803/667844.

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The combination of two membrane technologies coupled together in series has become a standard technology when it comes to producing reclaimed water of high quality for potable reclamation or industrial applications. This combination of two membrane processes is referred to as integrated membrane systems (IMS). Despite the widespread experience gained utilizing such a process technology around the world, there are a number of aspects of the process technology which require further investigation including the fate of compounds of emerging concern (CEC), the control of N-Nitrosodimethylamine (NDMA) formation, the use of energy associated with the process and the total cost of producing the reclaimed water, and monitoring membrane integrity in RO treatment processes. The objective of this work was to further the knowledge in one aspect related to each of these four challenges and then bring each of these areas together in the discussion to understand whether proposing a decision support system for the online monitoring and operation of integrated systems would allow improvements to the current state-of-the-art.
La combinació de dos tecnologies de membrana acoblades en sèrie ha esdevingut un tecnologia consolidada degut a la capacitat de produir aigua d’elevada qualitat i potencialment reutilitzable per aplicacions industrials com fins i tot per ser potabilitzada. Tot i l’elevada experiència adquirida en aquests processos combinats, encara hi ha aspectes del procés que calen una investigació més profunda que inclogui el coneixement sobre l’eliminació dels compostos emergents, el control de la formació de N-Nitrosodimetilamines (NDMA), l’ús de l’energia associada amb el procés incloent el cost total de produir l’aigua reutilitzable, i el seguiment de la integritat de la membrana en el tractament amb osmosi inversa (OI). L’objectiu d’aquest treball recau en avançar en el coneixement dels aspectes relacionats amb cada un dels quatre reptes esmentats, per aconseguir discutir de forma conjunta la millor forma d’integrar aquest nou coneixement adquirit proposant un sistema d’ajuda a la decisió pel control i seguiment de l’operació de sistemes integrats de membrana (SIM).

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Deng, Shi. "Development of a coarse pore membrane bioreactor with in-situ membrane cleaning /". View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?EVNG%202007%20DENG.

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Libri sul tema "Membrane bioreactor"

Radocaj, Olgica. Ethanol fermentation in a membrane bioreactor. Ottawa: National Library of Canada, 1999.

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Puzanov, Taya. Continuous production of lactic acid in a membrane bioreactor. Ottawa: National Library of Canada, 2000.

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Water Environment Federation. Energy Conservation in Water and Wastewater Treatment Facilities Task Force. Membrane bioreactors. Alexandria, Va: WEF Press, 2012.

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Membranes for membrane reactors: Preparation, optimization, and selection. Chichester, West Sussex: Wiley, 2011.

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Ladewig, Bradley, e Muayad Nadhim Zemam Al-Shaeli. Fundamentals of Membrane Bioreactors. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-2014-8.

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Professor, Stephenson Tom, a cura di. Membrane bioreactors for wastewater treatment. London: IWA, 2000.

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Allan, Butterfield D., e International Conference on Biofunctional Membranes (1995 : Lexington, Ky.), a cura di. Biofunctional membranes. New York: Plenum Press, 1996.

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Vieth, W. R. Membrane systems: Analysis and design : applications in biotechnology, biomedicine, and polymer science. Munich: Hanser Publishers, 1988.

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Vieth, W. R. Membrane systems: Analysis and design : applications in biotechnology, biomedicine, and polymer science. New York: J. Wiley, 1994.

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Falco, Marcello De, Luigi Marrelli e Gaetano Iaquaniello. Membrane reactors for hydrogen production processes. London: Springer, 2011.

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Capitoli di libri sul tema "Membrane bioreactor"

Wang, Zhiwei. "Bioreactor Membrane". In Encyclopedia of Membranes, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40872-4_2158-1.

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Koltuniewicz, A. B. "Submerged Membrane Bioreactor". In Encyclopedia of Membranes, 1–4. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40872-4_559-4.

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Achilli, A., e R. W. Holloway. "Aerobic Membrane Bioreactor". In Encyclopedia of Membranes, 1–3. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40872-4_7-1.

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Wang, Zhiwei. "Ultrafiltration Membrane Bioreactor". In Encyclopedia of Membranes, 1950–51. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_2153.

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Koltuniewicz, A. B. "Submerged Membrane Bioreactor". In Encyclopedia of Membranes, 1837–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_559.

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Achilli, A., e R. W. Holloway. "Aerobic Membrane Bioreactor". In Encyclopedia of Membranes, 13–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_7.

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Wang, Zhiwei. "Ultrafiltration Membrane Bioreactor". In Encyclopedia of Membranes, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-40872-4_2153-1.

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Moreira, María T., Gemma Eibes, Thelmo Lu-Chau, Roberto Taboada-Puig, Adriana Arca-Ramos, Gumersindo Feijoo, Juan M. Lema e Lucia Lloret. "Enzymatic (Peroxidase) Membrane Bioreactor". In Encyclopedia of Membranes, 712–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_1796.

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Schiraldi, Chiara, e Mario De Rosa. "Membrane Bioreactor Using Extremophiles". In Encyclopedia of Membranes, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40872-4_1605-2.

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Mazzei, Rosalinda. "Glucosidase in Membrane Bioreactor". In Encyclopedia of Membranes, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-40872-4_1691-2.

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Atti di convegni sul tema "Membrane bioreactor"

Wang, Yu-Lan, e Shui-Li Yu. "Comparative Performance Between a Novel Aerobic Granular Sludge Membrane Bioreactor and a Conventional Activated Floc Sludge Membrane Bioreactor". In 2009 3rd International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2009. http://dx.doi.org/10.1109/icbbe.2009.5162533.

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Zhang, Jingya, e Huaming Xu. "Progress of Studies on the Fouling of Membrane in Membrane Bioreactor". In 2015 International Conference on Materials, Environmental and Biological Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/mebe-15.2015.5.

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Adam, Abdelmajeed, e Maria Elektorowicz. "MEMBRANE ELECTRO–BIOREACTOR (MEBR) ACHIEVES HIGH NITRIFICATION RATES". In 5th International Conference on Innovation in Science and Technology. acavent, 2018. http://dx.doi.org/10.33422/5ist.2018.12.105.

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Ding, Yuanhong, Feifei Wang, Hongqiang Ren e Yun Ling. "Nitrification Behavior of Ammonium Nitrogen Under Membrane Bioreactor". In 2008 2nd International Conference on Bioinformatics and Biomedical Engineering (ICBBE '08). IEEE, 2008. http://dx.doi.org/10.1109/icbbe.2008.1033.

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Smith, Daniel, Jay Garland e Tony Rector. "A Novel Membrane Bioreactor for Spacecraft Water Recycling". In 10th Biennial International Conference on Engineering, Construction, and Operations in Challenging Environments and Second NASA/ARO/ASCE Workshop on Granular Materials in Lunar and Martian Exploration. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40830(188)46.

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Tian, Yuan, Liang Duan, Yonghui Song e Ruixia Liu. "Research on the development of membrane bioreactor technology". In 2017 2nd International Conference on Civil, Transportation and Environmental Engineering (ICCTE 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/iccte-17.2017.46.

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Ma, Shuyan, Jing Li, Xinran Peng, Zhao Jiang, Zhuo Diao e Ying Zhang. "Cleaning Process Selection and Mechanism of Membrane Pollution in the Membrane Bioreactor". In 2009 3rd International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2009. http://dx.doi.org/10.1109/icbbe.2009.5162505.

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Zhang, Shoutong, e Fenglin Yang. "Treatment of Simulated Distillery Wastewater with Thermophilic Membrane Bioreactor". In 2008 2nd International Conference on Bioinformatics and Biomedical Engineering. IEEE, 2008. http://dx.doi.org/10.1109/icbbe.2008.1148.

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Lin, Ying-zi, Jun Yin e Xiang-kui Han. "Modified Anaerobic Membrane Bioreactor for Low-Concentration Wastewater Treatment". In 2008 2nd International Conference on Bioinformatics and Biomedical Engineering (ICBBE '08). IEEE, 2008. http://dx.doi.org/10.1109/icbbe.2008.362.

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Shuguo Zhang. "Study on wastewater treatment by integrated plate membrane bioreactor". In 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2011. http://dx.doi.org/10.1109/rsete.2011.5964401.

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Rapporti di organizzazioni sul tema "Membrane bioreactor"

Wang, Hua. Membrane Bioreactor/Ultra Low Energy Reverse Osmosis Membrane Process for Forward Operating Base Wastewater Reuse. Fort Belvoir, VA: Defense Technical Information Center, agosto 2014. http://dx.doi.org/10.21236/ada619412.

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Husson, Scott M., Viatcheslav Freger e Moshe Herzberg. Antimicrobial and fouling-resistant membranes for treatment of agricultural and municipal wastewater. United States Department of Agriculture, gennaio 2013. http://dx.doi.org/10.32747/2013.7598151.bard.

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Abstract (sommario):

This research project introduced a novel membrane coating strategy to combat biofouling, which is a major problem for the membrane-based treatment of agricultural and municipal wastewaters. The novelty of the strategy is that the membrane coatings have the unique ability to switch reversibly between passive (antifouling) and active (antimicrobial) fouling control mechanisms. This dual-mode approach differs fundamentally from other coating strategies that rely solely on one mode of fouling control. The research project had two complementary objectives: (1) preparation, characterization, and testing of dual-mode polymer nanolayers on planar surfaces and (2) evaluation of these nanolayers as membrane modifiers. The first objective was designed to provide a fundamental understanding of how polymer nanolayer chemistry and structure affect bacterial deposition and to demonstrate the reversibility of chemical switching. The second objective, which focused on membrane development, characterization, and testing, was designed to demonstrate methods for the production of water treatment membranes that couple passive and active biofouling control mechanisms. Both objectives were attained through synergistic collaboration among the three research groups. Using planar silicon and glass surfaces, we demonstrated using infrared spectroscopy that this new polymer coating can switch reversibly between the anti-fouling, zwitterion mode and an anti-microbial, quaternary amine mode. We showed that switching could be done more than 50 times without loss of activity and that the kinetics for switching from a low fouling zwitterion surface to an antimicrobial quaternary amine surface is practical for use. While a low pH was required for switching in the original polymer, we illustrated that by slightly altering the chemistry, it is possible to adjust the pH at which the switching occurs. A method was developed for applying the new zwitterionic surface chemistry onto polyethersulfone (PES) ultrafiltration membranes. Bacteria deposition studies showed that the new chemistry performed better than other common anti-fouling chemistries. Biofilm studies showed that PESultrafiltration membranes coated with the new chemistry accumulated half the biomass volume as unmodified membranes. Biofilm studies also showed that PES membranes coated with the new chemistry in the anti-microbial mode attained higher biofilm mortality than PES membranes coated with a common, non-switchablezwitterionic polymer. Results from our research are expected to improve membrane performance for the purification of wastewaters prior to use in irrigation. Since reduction in flux due to biofouling is one of the largest costs associated with membrane processes in water treatment, using dual-mode nanolayer coatings that switch between passive and active control of biofouling and enable detachment of attached biofoulants would have significant economic and societal impacts. Specifically, this research program developed and tested advanced ultrafiltration membranes for the treatment of wastewaters. Such membranes could find use in membrane bioreactors treating municipal wastewater, a slightly upgraded version of what presently is used in Israel for irrigation. They also may find use for pretreatment of agricultural wastewaters, e.g., rendering facility wastewater, prior to reverse osmosis for desalination. The need to desalinate such impaired waters water for unlimited agricultural use is likely in the near future.

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Jaroch, David, Eric McLamore, Wen Zhang, Jin Shi, Jay Garland, M. K. Banks, D. M. Porterfield e Jenna L. Rickus. Silica Entrapment of Biofilms in Membrane Bioreactors for Water Regeneration. Fort Belvoir, VA: Defense Technical Information Center, gennaio 2013. http://dx.doi.org/10.21236/ada585275.

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