Literatura científica selecionada sobre o tema "Traitements membranaires"
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Artigos de revistas sobre o assunto "Traitements membranaires"
Seyhi, Brahima, Patrick Droguil, Géraldo Buelna, Jean-François Blais e Marc Heran. "État actuel des connaissances des procédés de bioréacteur à membrane pour le traitement et la réutilisation des eaux usées industrielles et urbaines". Revue des sciences de l’eau 24, n.º 3 (28 de novembro de 2011): 283–310. http://dx.doi.org/10.7202/1006478ar.
Texto completo da fontePortal, Benjamin, e Bruno P. Guiard. "Rôle des connexines astrocytaires dans la régulation des taux extracellulaires de glutamate : implication pour le traitement des épisodes dépressifs majeurs". Biologie Aujourd’hui 214, n.º 3-4 (2020): 71–83. http://dx.doi.org/10.1051/jbio/2020008.
Texto completo da fonteHasaine-Sadi, F., A. Benhassaine e H. Ait-Amar. "Transposition des processus membranaires biologiques aux traitements des effluents métallifères peu chargés. Conception et étude chimique d'une pompe ionique uranifère. Transport, contre-transport, couplage positif". Journal de Chimie Physique et de Physico-Chimie Biologique 96, n.º 8 (setembro de 1999): 1410–25. http://dx.doi.org/10.1051/jcp:1999219.
Texto completo da fonteBLIN, Capucine, Marcos OLIVEIRA, Christel CAUSSERAND, Yannick FAYOLLE e Vincent ROCHER. "Validation d’un protocole de vieillissement accéléré de membranes fibres creuses à l’échelle semi-industrielle". TSM 12 2023, TSM 12 2023 (20 de dezembro de 2023): 179–98. http://dx.doi.org/10.36904/tsm/202312179.
Texto completo da fonteCotton, G., C. Feliers, K. Kecili e A. L. Colon. "Performance du traitement membranaire (NF et OIBP) : rétention des micropolluants et enjeux énergétiques". Techniques Sciences Méthodes, n.º 4 (abril de 2019): 29–36. http://dx.doi.org/10.1051/tsm/201904029.
Texto completo da fonteMechouk, C., A. Hauret, F. Khajehnouri e P. Burnet. "Traitement des micropolluants en station de potabilisation". Techniques Sciences Méthodes, n.º 6 (junho de 2019): 51–70. http://dx.doi.org/10.1051/tsm/201906051.
Texto completo da fonteHichour, M., F. Persin, J. Sandeaux, J. Molénat e C. Gavach. "Défluoruration des eaux par dialyse de Donnan et électrodialyse". Revue des sciences de l'eau 12, n.º 4 (12 de abril de 2005): 671–86. http://dx.doi.org/10.7202/705372ar.
Texto completo da fonteGresle, A., V. Lazarova e H. Suty. "Intérêts techniques et économiques du traitement membranaire en vue du recyclage". Techniques Sciences Méthodes, n.º 12 (2007): 111–36. http://dx.doi.org/10.1051/tsm/200712111.
Texto completo da fonteDROUIN, M., G. PARRAVICINI, S. NASSER e P. MOULIN. "Traitement des effluents de désulfuration des gaz d’échappement des navires de transport maritime par filtration membranaire". Techniques Sciences Méthodes 1-2 (20 de fevereiro de 2023): 27–39. http://dx.doi.org/10.36904/202301027.
Texto completo da fonteHelmer, C., A. Neveu, V. Hauchard, S. Hassanzadeh e O. Danel. "Retour d’expérience sur la traitabilité d’une nitrosamine en production d’eau potable à l’échelle pilote". Techniques Sciences Méthodes, n.º 6 (junho de 2019): 87–99. http://dx.doi.org/10.1051/tsm/201906087.
Texto completo da fonteTeses / dissertações sobre o assunto "Traitements membranaires"
Hourlier, Fanny. "Traitements des eaux grises par procédés membranaires et/ou biologiques en vue de leur recyclage à l'intérieur de leur bâtiment". Nantes, 2010. http://www.theses.fr/2010NANT2026.
Texto completo da fonteThe present work deals with the comparative investigation of membrane technologies, used directly or combined with a biological treatment, in order to reuse greywaters inside buildings. First, synthetic greywaters were formulated to allow the selected processes to be studied in similar conditions, that is to say with a complete mastery over the composition of the effluent. The results show that the effluent characteristics are representative of those of real greywaters. Secondly, the hydraulic and treatment performances of two greywaters recycling processes were studied. The first one is a tubular nanofiltration membrane used without any pre-treatment device. The influence of several parameters was assessed while treating synthetic greywater. These results were validated by filtering real greywaters in similar operating conditions. Thanks to these experiments, the influence of the molecular weight cutoff and of the transmembrane pressure on the performance of the process has been evaluated. A conversion rate of 87. 5 % was reached, and the permeate quality was consistent with the most stringent regulations on water reuse inside buildings. The second process considered is a submerged membrane bioreactor, in which the ultrafiltration hollow-fibres membrane module is placed outside the bioreactor, in a side-stream position. The impact of various operating parameters and of the biological activity on process performances was measured. The results show that the permeate quality and the achievable volume flux densities are strongly influenced by the transmembrane pressure applied, by the duration of extraction, backwashing and relaxation steps, and by the activated sludge loading. Finally, the study is concluded by a techno-economic analysis, in which both processes are compared, and the key results obtained during the study are given
Derrien, Danièle. "Modulateur de la réponse immune : ciblage par des polymères glycosyles reconnus par les lectines membranaires des macrophages murins". Orléans, 1988. http://www.theses.fr/1988ORLE2037.
Texto completo da fonteDjimadoum-Ley, Ngardigal. "Incidence d'une dose subinhibitrice de pimaricine sur la physiologie et sur les structures pariétales et membranaires d'une souche de candida albicans". Nancy 1, 1989. http://www.theses.fr/1989NAN10012.
Texto completo da fonteViard, Antoine. "Structure, élaboration, propriétés et modification de surface de fibres creuses non-oxydes à partir de polymères pré-céramiques pour des applications membranaires". Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT243.
Texto completo da fonteNew ceramic materials have progressively emerged during the last century and continuously drew attention for diverse applications. This comes from the numerous and various properties they can exhibit. A great advantage of this type of materials is their mechanical, thermal and chemical stabilities, that makes ceramics of great interest for applications in harsh environments. This trend is especially perceptible in the field of membranes. In fact, despite their moderate cost, polymer membranes, which are mostly used, are very sensitive to the environment in which they are used and require to be replaced regularly. This justifies the search for alternatives and for more resistant materials like ceramics. Various shaping are possible to build a membrane, but among these, shapings in form of tubes have aroused particular enthusiasm because of their advantages in terms of surface/volume ratio and of lower mass transport resistance. Most of used and commercialized ceramics are based on oxide chemical compositions. This constitutes a drawback concerning the aging of the membranes and their stability at very high temperatures. Another type of ceramics, non oxide silicon based ceramics, exhibits very interesting properties which could eventually palliate these problems. In general, such materials are produced through the PDC route (Polymer Derived Ceramic route), especially because of the impossibility to proceed by more conventional methods for many of them. The principle of this bottom-up method is to synthesize preceramic polymers which can be converted into ceramics through an appropriate heat treatment. This enables a very good control of the chemical structure of the final ceramics and so a great versatility. Among these materials, the quaternary system Si-B-C-N has aroused big interest because of its extraordinary thermostructural properties coupled to chemical inertness. Thus, the present work has been focused on the preparation and application of this ceramic. Another advantage of the PDC route can be found in the possible shaping arising from the polymeric nature of the precursors. This method has been widely used for the production of thin ceramic fibers by using the melt-spinning process. The main objective of this thesis is the design of SiBCN ceramic hollow fibers and capillaries based on this shaping method. The aim is the preparation of very stable membrane supports at relatively low costs compared to conventional processes used to shape ceramic materials, often involving a sintering treatment at a very high temperature. These supports could be used in gas separation and water treatment applications. More precisely, chapter 1 presents a state of the art and allows to give the context and the motivations of this work. Chapter 2 discusses on the synthesis techniques and on the used methods. Chapter 3 is dedicated to the production of SiBCN ceramic hollow fibers by studying in details the precursors chemical structure used for this purpose before investigating its ceramic conversion and the evolution of the microstructure of the resulting ceramic. Chapter 4 is dealing with the production of SiBCN ceramic capillaries. The precursor used is characterized as well as the resulting ceramic. The last chapter gives some perspectives by proposing different methods of surface modifications of the hollow fibers and the capillaries presented in chapters 3 and 4
Dao, Thanh Duong. "Procédés membranaires pour l'élimination des métaux lourds : application de la distillation membranaire à l'élimination de l'Arsenic contenu dans les eaux". Thesis, Toulouse, INSA, 2013. http://www.theses.fr/2013ISAT0040/document.
Texto completo da fonteThis PhD work deals with vacuum membrane distillation (VMD) for arsenic removal from groundwaters. Contamination of water resources with arsenic was identified in 105 countries. Approximately 150 million people are being exposed to arsenic contamination, and 147 million of these people live in Asia. In Vietnam, chosen as the case study of this work, 13% of the population is being in risk of arsenic poisoning. Drinking water resources present not only high arsenic concentration (1 – 3050 ppb) but also high salinity (5 – 15 g/L). This work allowed demonstrating the feasibility of VMD to remove arsenic and also salts contained in groundwaters. As(III) concentration in the permeate of VMD was always lower than the standard level for drinking water (10 μg.L-1), even for high As(III) concentrations in the feed (up to 2000 μg.L-1). With VMD, a pre-oxidation step was not necessary to convert As(III) into As(V), as it is the case for other conventional treatment processes. Moreover, a coupling between reverse osmosis (RO) and VMD was studied. RO was considered as a first step to concentrate NaCl and As(III) before this retentate stream was further concentrated by the VMD. VMD could work efficiently with 99.9% of As(III) andNaCl rejections at a very high RO retentate concentrations ([NaCl] = 300 g/L and [As(III)] = 7000 ppb). Arsenic in the permeate was still lower than the required standard for drinking water. Finally, a simulation of the coupling was performed. By coupling of RO and VMD, ahigh global recovery of 96% could be achieved
Yammine, Sami. "Extraction des molécules à haute valeur ajoutée par eau sous critique et fractionnement par procédés membranaires : Valorisation des co-produits de la vigne et du vin par des procédés éco-innovants". Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0056/document.
Texto completo da fonteThis work has dealt with extraction of natural substances from winery by-products using "green" processes such as extraction by subcritical water and purification by membrane processes. These processes are an alternative to solvent extraction traditionally used in the natural products industry. Main part of the work was done on different grape pomace, extraction was optimized and compared in terms of yield, chemical composition, and antioxidant activity of extracts. Dunkelfelder extracts exhibited the strongest antioxidant activity and comparison of chemical compositions of the different extracts indicated. Furthermore this Dunkelfelder grape pomace was used as model in order to optimize the different process parameters such as temperature, pressure and hydraulic retention time. After the subcritical water extraction, extracts produced were found to be rich in several families of molecules. An essential purification step of target compounds prior to industrial use was indispensable. Coupling the subcritical water with membrane processes offers an innovative solution for the purification of these extracts. Thereby, the extract was assayed in a cross-flow apparatus against eleven membranes of ultrafiltration (100 to 2 kDa) and nine membranes of nanofiltration (1000 to 150 Da). The monitoring of the process was carried out by determining performance parameters and retention coefficients of different families of macro and micromolecules. The results obtained have demonstrated that the use of membrane technologies could bring innovative changes in the recovery of bioactive compounds for future industries
Abusaloua, Ali. "Réacteur catalytique membranaire pour le traitement d'effluents liquides". Phd thesis, Université Claude Bernard - Lyon I, 2010. http://tel.archives-ouvertes.fr/tel-00703265.
Texto completo da fonteAbusaloua, Ali. "Réacteur catalytique membranaire pour le traitement d’effluents liquides". Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10122/document.
Texto completo da fonteThe aim of this study was to evaluate catalytic membrane reactor for wet oxidation efficiencies of pollutants in waste water. In a first part, we have prepared catalytic membrane using several techniques of deposition in order to well control the position of the active phase in the porous structure. After optimisation of the experimental parameters, the study of pollutant degradation has showed that catalytic membrane reactor, in contactor configuration present highest efficiency than conventional reactor due to optimized contacts between reactants and active sites
Girard, Martin. "Traitement des effluents de l'industrie du désencrage par procédés membranaires". Thèse, Université du Québec à Trois-Rivières, 1997. http://depot-e.uqtr.ca/4882/1/000631161.pdf.
Texto completo da fonteCecchelli, Roméo. "Traitement membranaire des glycosyl-nucléotides aux sites de glycosylation". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37603694x.
Texto completo da fonteLivros sobre o assunto "Traitements membranaires"
Crini, Gregorio, e Pierre-Marie Badot. Traitement et épuration des eaux industrielles polluées - procédés membranaires, bioadsorption et oxydation chimique. PUFC, 2007.
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