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Academic literature on the topic 'Bioréacteur'
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Journal articles on the topic "Bioréacteur"
Léger, Clotilde. "Un bioréacteur plutôt osé…" Biofutur 1999, no. 195 (December 1999): 9. http://dx.doi.org/10.1016/s0294-3506(00)87151-3.
Full textBrune, Andreas. "Le plus petit bioréacteur du monde." Biofutur 1998, no. 183 (November 1998): 40–43. http://dx.doi.org/10.1016/s0294-3506(98)80291-3.
Full textLacoste, B., C. Drakidès, and M. Rumeau. "Etude d'un réacteur aérobie à culture concentrée couplé à une séparation par micro ou ultra-filtration tangentielles sur membranes minérales. Première approche d'une application en dépollution." Revue des sciences de l'eau 6, no. 4 (April 12, 2005): 363–80. http://dx.doi.org/10.7202/705180ar.
Full textReuter, V., T. Gailard, E. Praet, and J. L. Vasel. "Potentialités des bioélectrodes et des bioréacteurs à biomasse fixée pour l'estimation rapide de la DBO." Revue des sciences de l'eau 9, no. 4 (April 12, 2005): 435–55. http://dx.doi.org/10.7202/705261ar.
Full textQuesada, Isariebel, Yusmel Gonzalez, Sylvie Schetrite, Hélène Budzinski, Karyn Le Menach, Olivier Lorain, Nicolas Manier, et al. "PANACÉE : évaluation du fonctionnement d’un bioréacteur à membranes immergées traitant des effluents hospitaliers d’oncologie." Revue des sciences de l’eau 28, no. 1 (April 21, 2015): 1–6. http://dx.doi.org/10.7202/1030001ar.
Full textRihani, Rachida, and Mouna Ayyach. "Traitement d'une eau de bourbier des puits de forage de Hassi-Messaoud." Journal of Renewable Energies 6, no. 2 (December 31, 2003): 95–100. http://dx.doi.org/10.54966/jreen.v6i2.964.
Full textKalloum, Slimane, Abdelkader Iddou, Mostefa Khelafi, and Abdelkader Touzi. "Utilisation du procédé de la digestion anaérobie pour le traitement des boues des stations d’épuration des eaux usées." Journal of Renewable Energies 16, no. 4 (October 22, 2023): 611–18. http://dx.doi.org/10.54966/jreen.v16i4.404.
Full textTyagi, R. D., J. F. Blais, N. Meunier, and D. Kluepfel. "Biolixiviation des métaux lourds et stabilisation des boues d'épuration : essai en bioréacteur opéré en mode cuvée." Canadian Journal of Civil Engineering 20, no. 1 (February 1, 1993): 57–64. http://dx.doi.org/10.1139/l93-006.
Full textDufresne, Robert, R. E. Lebrun, and H. C. Lavallée. "Étude comparative de flux et de performances lors du traitement d'effluent papetiers par bioréacteur à membranes." Canadian Journal of Chemical Engineering 75, no. 1 (February 1997): 95–103. http://dx.doi.org/10.1002/cjce.5450750116.
Full textSUARD, E., Y. FAYOLLE, R. CLÉMENT, V. ROCHER, M. ALLIET, C. ALBASI, and S. GILLOT. "Limitation du colmatage dans un bioréacteur à membranes à l’échelle semi-industrielle : modélisation et caractérisation de l’hydrodynamique." Techniques Sciences Méthodes, no. 5 (May 20, 2020): 47–57. http://dx.doi.org/10.36904/tsm/202005047.
Full textDissertations / Theses on the topic "Bioréacteur"
Caulet, Philippe. "Caractérisation hydrodynamique d'un bioréacteur pulsé pneumatiquement." Toulouse, INSA, 1992. http://www.theses.fr/1992ISAT0036.
Full textBon, Saint Come Yémina. "Développement d’électrodes poreuses pour un bioréacteur pilote." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14370/document.
Full textThe present work deals with the development of the working electrode of an electrochemicalbioreactor. This device enables the green synthesis of high added value chemical compounds. As theelectrochemical synthesis is located at the interface of the working electrode, structural optimizationof this reactor key component is required in order to maximize the available active surface area.Elaboration of highly organized macroporous gold electrodes with a size required by the pilot reactordimensions were obtained with the Langmuir-Blodgett method that was used to assemble a colloidalcrystal as a template. The elaboration of the organized colloidal deposit is first followed by theelectrodeposition of the electrode material, then by the dissolution of the template. The immobilization of the complete bio-electrochemical system inside the electrode pores was investigated in order to prevent pollution of the final product medium by one of the catalytic chaincomponent. This also improves the device life time. Subsequently electrogenerated ultra-thin silicalayers and electrodeposited polymer matrices were studied in order to preserve and optimize the catalytic activity of the redox proteins. In order to enhance the electrocatalytic synthesis, mediatormodified gold nanoparticules were incorporated in the different immobilization matrices. This allowed to increase the area of the electrochemical interface. The combination of the nano-objectincorporation and electrode nano-structuring intensified by a factor of 170 the catalytic process
Die vorliegende Arbeit beschäftigt sich mit der Entwicklung einer Arbeitselektrode für einenelektrochemischen Bioreaktor, der die umweltfreundliche Synthese von wertvollen chemischenKomponenten ermöglicht. Da die elektrochemische Synthese an der Oberfläche der Arbeitselektrodestattfindet, ist es nötig, den strukturellen Aufbau der Schlüsselkomponente des Reaktors zuoptimieren und die aktive Oberfläche der Elektrode zu erhöhen. Mit Hilfe der Langmuir-BlodgettTechnik wurden kolloidale Kristalle erzeugt, die als Template dienten, um hochgeordnetemakroporöse Goldelektroden, deren Dimensionen von dem Pilotreaktor bestimmt wurden,herzustellen. Nach dem Erzeugen von geordneten kolloidalen Filmen wurde der Zwischenraumzwischen den Partikeln mittels elektrochemischer Abscheidung gefüllt und das Templateanschließend chemisch aufgelöst. In der Folge wurde die Immobilisierung des komplettenbioelektrochemischen Systems im Poreninnenraum untersucht, mit dem Ziel eine Verunreinigung desReaktionsmediums durch eine der katalytischen Komponenten zu verhindern. Die Lebensdauer derElektrode kann so zusätzlich erhöht werden. Es wurde untersucht, inwieweit durch elektrogenerierteultra-dünne Silikaschichten oder durch Elektroabscheidung erzeugte Polymerfilme die katalytischeAktivität der Redoxproteine erhalten und weiter optimiert werden kann. Goldnanopartikel, die miteinem Mediator modifiziert wurden, wurden in die jeweilige Immobilisationsschicht integriert, mitdem Ziel die Effizienz der elektrokatalytischen Synthese zu erhöhen. Auf diese Weise konnte dieaktive elektrochemische Oberfläche der Elektrode weiter erhöht werden. Die Kombination aus einernanostrukturierten Elektrode und Nanoobjekten die in die Immobilisationsschicht eingebettetwurden, führte zu einer Signalerhöhung des katalytischen Prozesses um mehr als eineGrössenordnung
Bouhelassa, Mohammed. "Optimisation du transfert d'oxygène dans un bioréacteur Emulsair." Compiègne, 1985. http://www.theses.fr/1985COMPI189.
Full textBarrios-Martinez, Adriàn. "Biodégradation du phénol dans un bioréacteur à membranes." Aix-Marseille 3, 2006. http://www.theses.fr/2006AIX30064.
Full textOil industry is one of the economic activities that had the strongest development. But unfortunately it is responsible for the production of several toxic products as phenols which can be found in the industrial wastewater. This work proposes the application of a Membrane Bio-reactor (MBR) to treat this type of effluents. However, the principal constraint is the inhibiting character of the phenolic compounds. An obligatory step of acclimatisation of the biomass to phenol is carried out starting from a bacteria! consortium. The experimental results show the feasibility of the treatment of phenol by a biomass acclimatised in a membrane bio-reactor and this with a remarkable stability over 285 days. This stability could be maintained thanks to the optimisation of the operation of MBR. The synthetic effluent contained a phenol high volumic load, up to 8. 5 gphenol. L-1J-1 and on average, 97 % of phenol and 95 % of the DCO could be degraded by a biomass having a typical concentration of a membrane bio-reactor (about 10 g. L-1)
Gosselin, Jérôme. "Contrôle adaptatif d'un bioréacteur cardiaque par algorithme génétique." Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27003.
Full textA proper functioning of the human heart is essential for maintaining a good quality of life. However, when the heart fails, some surgical procedures are necessary to prolong life expectancy. As part of a multidisciplinary project linking mechanical engineering to biomedical science, our team is working on the manufacture of heart valves entirely designed by tissue engineering. To achieve this, obtaining optimum mechanical properties is an important aspect for the biological tissues. To obtain these mechanical properties, an important tool was designed in a previous study : the cardiac bioreactor. Cardiac bioreactors allow the reproduction of the physiological environment of the heart, including flow and pressure conditions. It is crucial to properly control these conditions, as they play an important role in valvular substitutes conditioning. However, it is complex to simultaneously control both conditions effectively. This is why our team has focused on developing a new control strategy so that the bioreactor can reproduce as faithfully as possible the physiological environment. Several control techniques have been experimented so far. However, accuracy was generally limited. So, a new approach has been considered and is presented here. This new approach is based on a well-known optimisation technique that is still quite unusual for control: genetic algorithms. This promising approach has allowed us to produce unprecedented results for one of the two conditions, the physiological flow.
Ghouali, Amel. "Analyse et contrôle optimal d'un bioréacteur de digestion anaérobie." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS106/document.
Full textThis thesis focuses on the optimal control of an anaerobic digestor for maximizing its biogas production. In particular, using a simple model of the anaerobic digestion process, we derive a control law to maximize the biogas production over a period of time using the dilution rate D(.) as the control variable. Depending on initial conditions and constraints on the actuator, the search for a solution to the optimal control problem reveals very different levels of difficulty. In the first part, we consider that there are no severe constraints on the actuator. In particular, the interval in which the input flow rate lives includes the value which allows the biogas to be maximized at equilibrium. For this case, named WDAC (Well Dimensioned Actuator Case) we solve the optimal control problem using classical tools of differential equations analysis.Numerical simulations illustrate the robustness of the control law with respect to several parameters, notably with respect to initial conditions. We use these results to show that an heuristic control law proposed in the literature is optimal in a certain sense. The optimal trajectories are then compared with those given by a purely numerical optimal control solver (i.e. the "BOCOP" toolkit) which is an open-source toolbox for solving optimal control problems. When the exact analytical solution to the optimal control problem cannot be found, we suggest that such numerical tool can be used to intuiter optimal solutions.In the second part, the problem of maximizing the biogas production is treated when the actuator is under (-over) dimensioned. These are the cases UDAC (Under Dimensioned Actuator Cases) and ODAC (Over Dimensioned Actuator Cases). Then we solve these optimal problems using the Maximum Principle of Pontryagin
Dimitrov, Dimitar Stoyanov. "Bioréacteur à lit fluidisé inverse pour le traitement d'effluents." Lorient, 2007. http://www.theses.fr/2007LORIS085.
Full textEmbedded systems have encountered a great development for the last number of years. But, while execution units keep getting faster and more efficient, memory technology doesn't really follow such improvements. The consequence of this performance gap between processor and memory is that memory has become the main bottleneck in terms of power consumption and access time. In this document we present a method to define an optimized memory hierarchy for Digital Signal Processing applications (DSP). It relies on a coarse grain analysis of the structured data manipulated by the application and it is part of the LESTER laboratory global strategy to design low power systems. Due to the high level of abstraction used, results can either be applied to hardware synthesis or software compilation. Our approach is based on two independent and complementary steps. First, a graphical representation is generated from the application; it brings out structured data dependencies. Analyzing this graph allows determining a set of possible data transfers amongst the future hierarchy. Then, the characteristics of these transfers, associated with a memory library, time and consumption metrics, and a solver tool are used to define the whole memory hierarchy as well as data movements to handle
Gauthier, Anne-Sophie. "Contribution à l'amélioration de la conservation cornéenne en bioréacteur." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCE011.
Full textSince the abandonment for logistical and health security reasons in the 70s-80 of fresh grafts whose longevity exceeded two decades, the technical storage was organized around two techniques of eye banking: hypothermia (short term storage) in the USA and organ culture (long term storage) in Europe. Besançon was a pioneer in France for this technique. Induced stromal edema associated with these passive techniques leads to a significant endothelial cell loss and reduces grafts survival, limits quality control and obstructs further developments such as pre-cut endothelial graft or endothelial bioengineering.The laboratory "Biology, Imaging and Engineering of the Corneal Graft (BiiGC, EA 2521, Jean Monnet University of St-Etienne) has developed an active storage system, the bioreactor, that limits corneal edema by restoring a pressure corneal gradient and circulation of the storage medium. Bioreactor makes possible to overcome these two major disadvantages and to implement the developments of the future.The aim of this thesis is to 1 / trace the evolution of storage and control techniques of corneal graft; 2 / review the evolution of corneal graft techniques / indications in France; 3 / document early endothelial cell loss related to passive conservation in organ culture; 4 / Compare organ culture versus bioreactor storage.Key words: corneal storage, eye bank, endothelial viability, organ culture, bioreactor, graft survival
Ladet, Sébastien. "Élaboration et étude des propriétés d'un bioréacteur multi-membranaire." Lyon 1, 2007. http://www.theses.fr/2007LYO10005.
Full textThis work aims at the elaboration and the study of the physical properties of multi-membrane materials based on chitosan physical hydrogels. These materials were designed to be used as bioreactors for tissue engineering applications. These onion-like materials were elaborated from alcohol gels without any external cross-linking agent. This new architecture was obtained after optimization of the neutralization step. The study of the physico-chemical parameters occuring during the membrane formation allowed us to propose a mechanism of neutralization. The influence of the neutralization conditions on the multi scale morphology was observed by X-ray scattering / diffraction and électronic microscopy. This study allowed us to identify 3 characteristic morphologies. The mechanical properties of the membrane hydrogel were studied thanks to tensile tests. Finally the study of the behaviour of various cellular types embedded within the multi-membrane hydrogels allowed us to validate the bioactivity and the strong potential of this architecture as bioreactor
Jolicoeur, Mario. "Optimisation d'un procédé de production de champignons endomycorhiziens en bioréacteur." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0021/NQ46634.pdf.
Full textBooks on the topic "Bioréacteur"
S, Cabral Joaquim, Mota Manuel, and Tramper J. 1949-, eds. Multiphase bioreactor design. London: Taylor & Francis, 2001.
Find full text1949-, Asenjo Juan A., and Merchuk José C. 1938-, eds. Bioreactor system design. New York: M. Dekker, 1995.
Find full text1954-, Hjortso Martin A., and Roos Joseph W. 1959-, eds. Cell adhesion: Fundamentals and biotechnological applications. New York: M. Dekker, 1995.
Find full textL, Clesceri Nicholas, ed. Waste sites as biological reactors: Characterization and modeling. Boca Raton, FL: Lewis Publishers, 2003.
Find full textKumar, Kruthiventi Anil, and Gaikar Vilas Gajanan, eds. Biotransformations and bioprocesses. New York: Marcel Dekker, 2004.
Find full textB, Kristiansen, Linden Joan, and Mattey Michael, eds. Citric acid biotechnology. London: Taylor & Francis, 1999.
Find full textS, Ozturk Sadettin, and Hu Wei-Shou 1951-, eds. Cell culture technology for pharmaceutical and cell-based therapies. New York: Taylor & Francis, 2006.
Find full text(Khalid), Alhumaizi K., ed. Dynamics of the chemostat: A bifurcation theory approach. Boca Raton, FL: CRC Press/Chapman & Hall, 2012.
Find full textCreti, Christian. Fermentation méthanique et desulfuration de gaz par voie bactérienne: Proposition d'un bioréacteur de désulfuration, - optimisation des deux opérations du procédé. 1986.
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