Literatura científica selecionada sobre o tema "Oxydation par sels fondus"
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Artigos de revistas sobre o assunto "Oxydation par sels fondus"
Billebaud, Annick. "Les nouveaux concepts de réacteurs nucléaires". Reflets de la physique, n.º 60 (dezembro de 2018): 55–57. http://dx.doi.org/10.1051/refdp/201860055.
Texto completo da fontePeings, Vanessa, Albéric Andrin, Mickael Le Bechec, Sylvie Lacombe, Jérôme Frayret e Thierry Pigot. "Couplage photocatalyse-oxydation par le ferrate (VI) pour le traitement du colorant rhodamine 6G". Revue des sciences de l’eau 30, n.º 1 (8 de junho de 2017): 35–39. http://dx.doi.org/10.7202/1040061ar.
Texto completo da fonteFalcon, M., B. Peyrille, P. Reihac, J. N. Foussard e H. Debellefontaine. "Oxydation en voie humide de la pollution organique aqueuse par le peroxyde d'hydrogène Procédé « Wet Peroxide Oxidation » (WPO®) Étude de nouveaux catalyseurs". Revue des sciences de l'eau 6, n.º 4 (12 de abril de 2005): 411–26. http://dx.doi.org/10.7202/705183ar.
Texto completo da fonteChakchouk, M., E. Puech-Costes, J. N. Foussard e H. Debellefontaine. "Oxydation humide des polluants organiques par l'oxygène moléculaire activée par le couple H²O²/Fe²+: Optimisation des paramètres opératoires". Revue des sciences de l'eau 7, n.º 4 (12 de abril de 2005): 405–25. http://dx.doi.org/10.7202/705209ar.
Texto completo da fonteJemli, Meryem, e Sonia Sabbahi. "Une porphyrine comme photosensibilisant des eaux d'irrigation, photostabilité et efficacité". Revue des sciences de l’eau 31, n.º 1 (5 de junho de 2018): 1–11. http://dx.doi.org/10.7202/1047049ar.
Texto completo da fonteTeses / dissertações sobre o assunto "Oxydation par sels fondus"
Lecomte, Florent. "Traitement de déchets mixtes en milieux sels fondus". Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILR024.
Texto completo da fonteThe Molten Salt Oxidation (MSO) technique has been studied in recent years for the treatment, valorization, or destruction of waste. This process has been extensively studied with molten carbonates or chlorides for the destruction of hazardous waste or the recovery of metals. In the context of our research on the treatment of waste from the nuclear industry, the process has been adapted for the treatment of mixed contaminated waste (a mixture of waste of different natures, polymers, glasses, metals) in molten hydroxides. Thus, in this manuscript, a first chapter details the state of the art of molten salts and their uses in pyrochemical treatment, with a section specifically dedicated to the chemistry of molten hydroxides and their potential applications in the treatment of organic waste. The second chapter presents the design and implementation of a dedicated setup for the study of polymer degradation in these salts, as well as the development of a specific reference electrode for molten hydroxides allowing the study of these baths by electrochemistry. Finally, the third chapter focuses on polymer degradation, demonstrating the mechanisms involved in the degradation of organic compounds. It is shown that these mechanisms do not correspond to the expected oxidation mechanism during the "classic" MSO process in molten carbonates. Those involved in our process are of a radical type, following a process of cracking of organic materials which induces the production of highly valuable dihydrogen and graphite carbon. Last chapter presents the monitoring, by electrochemistry as well as by XRD and EPR, of the reactivity of cerium and neodymium lanthanides in our baths, chosen as simulants of actinides
Lefebvre, Hervé. "Etudes thermodynamique et cinetique de la corrosion du fer par les melanges de nitrate et de nitrite de sodium fondus". Paris 6, 1988. http://www.theses.fr/1988PA066353.
Texto completo da fonteDE, ROY GRIVEL MARIE ELISABETH. "Synthese par reduction electrochimique en milieu sel fondu et caracterisation d'oxydes doubles de vanadium a valence mixte". Clermont-Ferrand 2, 1991. http://www.theses.fr/1991CLF2E435.
Texto completo da fonteHamel, Céline. "Séparation actinides-lanthanides (néodyne) par extraction électrolytique en milieux fluorures fondus". Toulouse 3, 2005. http://www.theses.fr/2005TOU30034.
Texto completo da fonteThis study concerns the An-Ln and Ln-Solvent separation by electrolytical extraction in molten fluoride media. Three elements are selected: neodymium, uranium and plutonium. Firstly, the electrochemical study of these three compounds in molten fluoride media is performed to evaluate the separations. Electrodeposition processes are studied and the values of formal potentials of U(III)/U(0), Pu(III)/Pu(0) and Nd(III)/Nd(0) are obtained in LiF-CaF2. Thermodynamically, the values of potentials differences are enough to separate U-Nd and Pu-Nd with a yield of extraction of 99. 99%. Concerning the Nd-solvent separation this potential difference is too small. Next, the electrodeposition of solid metals on inert electrodes is performed. This study showed the unstability of U and Nd deposits and the presence of salts in the dendritic U metal. Finally, a reactive cathode is used to improve these results. On Ni electrodes, we shown an improvement of the Pu-Nd and the Nd-solvent separation. Moreover, U and Nd metal are stabilized in the alloy. The formation of liquids alloys makes also easier the recovery of these three elements
Cabet, Leflaivre Céline. "Corrosion des alliages base nickel par le verre fondu et sa vapeur". Nancy 1, 1999. http://www.theses.fr/1999NAN10301.
Texto completo da fonteCipriani, François-Dominique. "Etude numérique de la convection thermocapillaire dans un bain fondu créé par laser". Aix-Marseille 2, 1991. http://www.theses.fr/1991AIX22052.
Texto completo da fontePauvert, Olivier. "Etude structurale de sels fondus d'intérêts nucléaires par RMN et EXAFS haute température". Phd thesis, Université d'Orléans, 2009. http://tel.archives-ouvertes.fr/tel-00517360.
Texto completo da fonteNourry, Christophe. "Extraction électrochimique des lanthanides des milieux de fluorures fondus par formation d'alliages". Toulouse 3, 2007. http://thesesups.ups-tlse.fr/153/.
Texto completo da fonteThis work consisted in studying the electrochemical behaviour of some dissolved lanthanides (Gd, Nd, Sm) in LiF-CaF2 media on inert and reactive cathodes in the 800-920°C temperature range and then to estimate their possible extraction from the melt by reduction on a reactive electrode (Ni, Cu or Ni/Cu). Using electrochemical methods and SEM micrographs, reduction mechanisms and thermodynamic parameters such as standard potentiel and activity coefficient were determined for the different species in the melt. The Gibbs energies and the reduction mechanisms were determined for LnNi and LnCu compounds. Finaly, extractions have been performed on reactives electrodes with very good extraction rate (> 99. 7%)
MOURON, LUDOVIC. "Modelisation structurale de sels fondus par recuit simule, analyse des complexes et des interstices". Paris 6, 1995. http://www.theses.fr/1995PA066675.
Texto completo da fonteKordek, Marie-Astrid. "Granulation par pulvérisation de multiples couches minces de sels fondus dans un tambour à lit fluidisé". Compiègne, 1995. http://www.theses.fr/1995COMPD787.
Texto completo da fonteCapítulos de livros sobre o assunto "Oxydation par sels fondus"
DUQUESNE, Marie, e Wahbi JOMAA. "Systèmes de stockage par chaleur latente : concepts et applications". In Stockage de la chaleur et du froid 1, 117–59. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9133.ch6.
Texto completo da fonte