Literatura científica selecionada sobre o tema "Réaction de type Fenton"
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Artigos de revistas sobre o assunto "Réaction de type Fenton"
Falcon, 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 fonteDia, Oumar, Patrick Drogui, Rino Dubé e Gerardo Buelna. "Utilisation des procédés électrochimiques et leurs combinaisons avec les procédés biologiques pour le traitement des lixiviats de sites d’enfouissement sanitaires - revue de littérature". Revue des sciences de l’eau 29, n.º 1 (16 de março de 2016): 63–89. http://dx.doi.org/10.7202/1035717ar.
Texto completo da fonteYochelson, Ellis L., e Mikhail A. Fedonkin. "The type specimens (Middle Cambrian) of the trace fossil Archaeonossa Fenton and Fenton". Canadian Journal of Earth Sciences 34, n.º 9 (1 de setembro de 1997): 1210–19. http://dx.doi.org/10.1139/e17-097.
Texto completo da fonteDebellefontaine, H., P. Striolo, M. Chakchouk, J. N. Foussard e J. Besombes-Vailhe. "Nouveaux procédés d'oxydation chimique pour l'élimination des rejets aqueux phénolés". Revue des sciences de l'eau 5, n.º 4 (12 de abril de 2005): 555–72. http://dx.doi.org/10.7202/705147ar.
Texto completo da fonteRodríguez, Jaime, David Contreras, Carolina Parra, Juanita Freer, Jaime Baeza e Nelson Durán. "Pulp Mill Effluent Treatment by Fenton-Type Reactions Catalyzed by Iron Complexes". Water Science and Technology 40, n.º 11-12 (1 de dezembro de 1999): 351–55. http://dx.doi.org/10.2166/wst.1999.0732.
Texto completo da fontePech, Michel. "Réaction à l’article « le macronisme : un nouveau type sournois de populisme »". Humanisme N° 318, n.º 1 (5 de julho de 2018): 117–18. http://dx.doi.org/10.3917/huma.318.0117.
Texto completo da fontePonvert, C., e J. P. Jacquier. "Mécanismes de la réaction allergique du type immédiat : les connaissances indispensables". Revue Française d'Allergologie et d'Immunologie Clinique 43, n.º 5 (setembro de 2003): 327–29. http://dx.doi.org/10.1016/s0335-7457(03)00086-8.
Texto completo da fonteRichard-Greenblatt, Melissa, Barbara Stryjewska e Dale R. Kalina. "Réaction lépreuse de type 1 chez un homme de 50 ans". Canadian Medical Association Journal 196, n.º 38 (11 de novembro de 2024): E1299—E1300. http://dx.doi.org/10.1503/cmaj.240040-f.
Texto completo da fonteGagné, J. M., P. Bouchard e A. Gleizes. "Section efficace de la réaction Penning pour les atomes". Canadian Journal of Physics 63, n.º 12 (1 de dezembro de 1985): 1506–12. http://dx.doi.org/10.1139/p85-251.
Texto completo da fonteStavarache, Carmen, B. Yim, M. Vinatoru e Y. Maeda. "Sonolysis of chlorobenzene in Fenton-type aqueous systems". Ultrasonics Sonochemistry 9, n.º 6 (novembro de 2002): 291–96. http://dx.doi.org/10.1016/s1350-4177(02)00088-3.
Texto completo da fonteTeses / dissertações sobre o assunto "Réaction de type Fenton"
Djeffal, Lemya. "Développement de matériaux à base d'argiles pour l'oxydation catalytique de polluants organiques par des réactions de type Fenton". Thesis, Littoral, 2013. http://www.theses.fr/2013DUNK0354.
Texto completo da fonteIn this study, we are interested to the synthesis and charaterization of materials based on natural clays from Algeria and Tunisia, usable as catalysts in the oxidation of organic pollutants by the Fenton's and photo-Fenton's reaction. We have also optimized the reaction parameters (amount of catalyst, concentration of pollutant...) in order to improve the catalytic performance of these catalysts. Indeed, the oxidation of recalcitrant organic pollutants by Fenton-type reactions is regarded as one of the most effective method amongst the advanced oxidation process (AOPs). It can lead in some cases to the total mineralization of pollutants (conversion into CO₂ and H₂O). The caracterization of the raw clays various physicochemical methods shows that, in addiction to clay minerals, there are some metallic oxides in all studied clays, with varied proportions. Especially, smectite showed a fairly significant iron capacity. The synthesized clays show a good catalytic performance in minimum of time (2 hours of reaction). The smectite catalyst, sieved and calcined at 450°C gives the best performance. This activity can be explained by the high content of iron as well as the combination of the choice of particle size and the calcination temperature of the smectite. The caracterization of this catalyst, showed that this mesoporous material contains an amount of iron (III) stabilized in the structure by the fact of calcination
Gao, Zhengfeng. "Multifunctional 2D nanomaterials for antibacterial and anticancer applications". Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAF033.
Texto completo da fonteGraphene oxide (GO) and δ-FeOOH, notable for their biocompatibility, high surface area, and ease of functionalization, show promising potential for biomedical applications, specifically in combating bacterial infections and treating cancer.This thesis explored the synthesis, functionalization, and applications of these two-dimensional (2D) materials. The first project concerned functionalizing GO with antimicrobial peptides (AMPs) using the Click chemistry to enhance its antibacterial activity, with one strategy using branched polymers proving to be particularly effective in enhancing the antibacterial efficacy. The second project attempted to improve the antibacterial effectiveness of GO by attaching to its structure quaternary ammonium compounds (QACs). However, this approach failed to exceed the efficacy of the single individual components. The third project explored the use of δ-FeOOH and its derivatives in Fentonlike reactions for potential cancer therapies. Overall, the research explored in this Thesis emphasizes the need to optimize the functionalization strategies to balance the biocompatibility and the efficiency, while also exploring the capabilities of novel iron-based 2D materials in biomedical application
Chergui, Souâd. "Dégradation des colorants textiles par procédés d'oxydation avancée basée sur la réaction de Fenton : application à la dépollution des rejets industriels". Phd thesis, Université Paris-Est, 2010. http://tel.archives-ouvertes.fr/tel-00582374.
Texto completo da fonteXue, Xiaofei. "Oxydation par la réaction de Fenton modifiée des polluants organiques en présence des oxydes de fer (II, III)". Thesis, Nancy 1, 2009. http://www.theses.fr/2009NAN10041/document.
Texto completo da fonteFirstly, PCP was chosen as a model pollutant, to investigate the oxidation of PCP on the surface of magnetite used as heterogeneous catalyst. Oxidation experiments were carried out under various experimental conditions at neutral pH and correlated with the adsorption behavior. The surface reactivity of magnetite was evaluated by conducting the kinetic study of both H2O2 decomposition and PCP oxidation experiments. The occurrence of the optimum values of H2O2 and magnetite concentrations for the effective degradation of PCP could be explained by the scavenging reactions with H2O2 or iron oxide surface. All batch experiments indicate that Fenton-like oxidation of PCP was controlled by surface mechanism reaction and the species compete with each other for adsorption on a fixed number of surface active sites. The apparent degradation rate was dominated by the rate of intrinsic chemical reactions on the oxide surface rather than the rate of mass transfer. Raman analysis suggested that the sorbed PCP was removed from magnetite surface at the first stage of oxidation reaction. All X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Mössbauer spectroscopy and chemical analyses showed that the magnetite catalyst exhibited low iron leaching, good structural stability and no loss of performance in second reaction cycle. Secondly, Rhodamine B (RhB) was chosen as a model compound pollutant. Two types of iron (II, III) oxides were used as heterogeneous catalysts and characterized by XRD, Mössbauer spectroscopy, BET surface area, particle size and chemical analyses. The catalytic efficiency of iron (II, III) oxide to promote Fenton-like reaction was examined at neutral pH. The adsorption to the catalyst changed significantly with the pH value and the sorption isotherm was fitted using the Langmuir model for both solids. Both sorption and FTIR results indicated that surface complexation reaction may take place in the system. The variation of oxidation efficiency against H2O2 dosage and amount of exposed surface area per unit volume was evaluated and correlated with the adsorption behavior in the absence of oxidant. There is also an optimum amount of H2O2 value for the degradation of RhB. The phenomena could also be explained by the scavenging effect of hydroxyl radical by H2O2 or by iron oxide surface (like the oxidation of PCP). Sorption and decolourization rate of RhB as well as H2O2 decomposition rate were found to be depended on the surface characteristics of iron oxide. The kinetic oxidation experiments showed that structural FeII content strongly affect the reactivity towards H2O2 decomposition and therefore RhB decolourization. Finally, the effect of chelating agent on the heterogeneous Fenton reaction rate of pentachlorophenol in the presence of magnetite was investigated. Six kinds of chelating agents including oxalate, EDTA, CMCD, tartarate, citrate and succinate were chosen. The PCP oxidation rate in this system was significantly improved by using chelating agents at neutral pH. The kinetic rate constant was increased by 5.7, 4, 3.2, 2.4, 2.5 and 1.7 times with oxalate, EDTA, CMCD, tartarate, citrate and succinate, respectively. The enhancement factor of heterogeneous oxidation rate was found to be not correlated with that of dissolved iron dissolution amount. In homogeneous Fenton system (dissolved Fe2+ or Fe3+), EDTA-driven reaction showed the highest oxidation rate, while oxalate seems to be more efficiency in heterogeneous Fenton system (Fe3O4). This observation could be explained by the inactivation of iron surface sites which become unavailable for the interactions with H2O2 to initiate Fenton-like reactions. These results demonstrated that the chelating agent-promoted dissolution of magnetite did not play the key role in determining the efficiency of heterogeneous Fenton oxidation
Decker, Luc. "Modèles de structures aléatoires de type réaction-diffusion". ENSMP, 1999. http://www.theses.fr/1999ENMP0860.
Texto completo da fonteHaddou, Ménana. "Dégradation de dérivés de l'acide benzoïque par les procédés d'oxydation avancée en phase homogène et hétérogène : procédés Fenton, photo-Fenton et photocatalyse". Toulouse 3, 2010. http://thesesups.ups-tlse.fr/871/.
Texto completo da fonteThis work was carried out in the field of water treatment using advanced oxidation processes (AOPs), especially Fenton and photo-Fenton processes and heterogeneous TiO2 photocatalysis. The mechanism of the oxidative degradation of a model pollutant, 2. 4 dihydroxybenzoicacid (2,4-DHBA) by the Fenton and photo-Fenton processes was investigated in detail using several analytical techniques (UV-visible spectrophotometry, HPLC, LC-MS, ion chromatography, TOC measurements). The results show that the early stage of oxidation of the pollutant is common to both processes. However, mineralization could only be achieved under irradiation (photo-Fenton) and the importance of parameters such as oxygenation conditions at this stage of the reaction was demonstrated. The complexation of Fe(III) and its consequences during the oxidation of benzoic acid derivatives by the Fenton and photo-Fenton-like processes were investigated. The comparison of the photochemical reactivity of [aromatic acid-Fe(III)] complexes for the production of Fe(II) with that of others iron(III)-complexes (such as ferriaquo complexes and ferrioxalate) showed the relative photochemical stability of [aromatic acid-Fe(III)] complexes under UV-visible irradiation. The identification of reducing species (e. G. , hydroquinone) at key reaction times provided an explanation for the observed autocatalytic kinetic profiles during the oxidation of aromatic acids by Fenton and photo-Fenton like processes. In the field of heterogeneous photocatalysis, new doped (sulfur, cerium(III), iron(III))-TiO2 photocatalysts were synthesized by a sol-gel method. They were characterized by X-ray diffraction, BET and UV-visible spectrophotometry. All of them absorb visible light (400-800nm). Their photocatalytic efficiency was tested on the oxidation of 2,4-DHBA. Under our conditions, iron(III) doping was detrimental for photocalytic efficiency under UV-irradiation and no improvement was observed under visible-irradiation. The new S and Ce(III) doped TiO2 showed a higher photocatalytic efficiency in the visible region than that obtained using commercial TiO2 (P25, Degussa), traditionally employed in photocatalysis
Bouafia-Chergui, S. "Dégradation des colorants textiles par procédés d'oxydation avancée basée sur la réaction de Fenton. Application à la dépollution des rejets industriels". Phd thesis, Université de Marne la Vallée, 2010. http://tel.archives-ouvertes.fr/tel-00740134.
Texto completo da fonteMerschaert, Alain. "Catalyse asymétrique de la réaction de type oxa-Michaël intramoléculaire". Doctoral thesis, Universite Libre de Bruxelles, 2001. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211563.
Texto completo da fonteYasin, Sohail. "Eco-design for end-of-life phase of flame retardant textiles". Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10225/document.
Texto completo da fonteThe different life cycle phases of textiles with flame retardant (FR) finishes have substantial adverse impacts on environment. Several studies on the exposure of flame retardant have mainly focused on ways to provide environmentally friendly synthesis of flame retardants. However the end-of-life phase of the FR textiles seems neglected and needs great attention when the product life cycle is concerned. Though today, technologies for solid waste management are ever-improving, the end-of-life of flame retardant textile products create issues, by decreasing energy yield in the incineration process due to incomplete combustion and emission of toxic fumes.Therefore an eco-design was proposed with optimized disposals for the flame retardant textiles, by a prior degradation and elimination of a durable flame retardant substance (MDPA) from textiles, using advanced oxidation Fenton process. Then thermal valorization was achieved by gasification instead of incineration.The degradation kinetics of MDPA from cotton fabrics, monitored by measuring the COD of the reaction mixture, seems to depend on the Fenton reactant concentration. The mechanical properties of the cotton after the treatment are unaltered. The flammability test and thermogravimetric (TGA, DTG and PCFC) results confirmed the degradation of MDPA. The gasification results supported the eco-design by showing increased combustion properties of the FR textiles after the Fenton treatment allowing eco-design of energy valorization of textile wastes. Real environmental impacts evaluated by a life cycle assessment (LCA) tool confirm the eco-design of the end-of-life phase of flame retardant textile products
Flotron, Vanina. "La réaction de Fenton comme procédé de réhabilitation dans le traitement des eaux : application à la dégradation des hydrocarbures aromatiques polycycliques dans les eaux et les boues résiduaires". Phd thesis, INAPG (AgroParisTech), 2004. http://pastel.archives-ouvertes.fr/pastel-00001190.
Texto completo da fonteLivros sobre o assunto "Réaction de type Fenton"
Mary, Kimmel Margaret, ed. Duffy's Rocks / Edward Fenton ; foreword and afterword by Margaret Mary Kimmel. Pittsburgh, Pa: University of Pittsburgh Press, 1999.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Réaction de type Fenton"
Edwards, John O., e Ruggero Curci. "Fenton Type Activation and Chemistry of Hydroxyl Radical". In Catalysis by Metal Complexes, 97–151. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-0984-2_4.
Texto completo da fonteBlank, I., E. C. Pascual, L. B. Fay, R. H. Stadler, B. A. Goodman e C. Yeretzian. "Degradation of Furfuryl Mercaptan in Fenton-Type Model Systems". In ACS Symposium Series, 230–40. Washington, DC: American Chemical Society, 2000. http://dx.doi.org/10.1021/bk-2000-0754.ch024.
Texto completo da fonteGilbert, B. C., G. Harrington, G. Scrivens e S. Silvester. "EPR Studies of Fenton-Type Reactions in Copper- Peroxide Systems". In Free Radicals in Biology and Environment, 49–62. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1607-9_4.
Texto completo da fonteMochizuki, M., N. Tsutsumi, S. Hizatate e E. Okochi. "Structures of Mutagens Formed from Fenton-Type Oxidation ofN-Nitrosodialkylamines". In Nitrosamines and RelatedN-Nitroso Compounds, 328–30. Washington, DC: American Chemical Society, 1994. http://dx.doi.org/10.1021/bk-1994-0553.ch031.
Texto completo da fonteCao, Hongmei, Li Pang, Zhongjie Wu, Baoqing Lv, Yan Li, Yujing Wei e Wei Wang. "Study on the Application of Fenton-Like Process via Dual Membrane System for Reusing Desulfurization Wastewater". In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230581.
Texto completo da fonteAli, Dheeaa al deen Atallah, Puganeshwary Palaniandy e Shaik Feroz. "Advanced Oxidation Processes (AOPs) to Treat the Petroleum Wastewater". In Advances in Environmental Engineering and Green Technologies, 99–122. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-5766-1.ch005.
Texto completo da fonteSolís-López, M., A. Durán-Moreno, F. Rigas, A. A. Morales, M. Navarrete e R. M. Ramírez-Zamora. "Assessment of Copper Slag as a Sustainable Fenton-Type Photocatalyst for Water Disinfection". In Water Reclamation and Sustainability, 199–227. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-12-411645-0.00009-2.
Texto completo da fonte"Advanced Oxidation Processes for Wastewater Remediation: Fundamental Concepts to Recent Advances". In Materials Research Foundations, 37–86. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901144-2.
Texto completo da fonte"Advanced Oxidation Processes for Wastewater Remediation: Fundamental Concepts to Recent Advances". In Materials Research Foundations, 37–86. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901151-2.
Texto completo da fonteCenti, G., S. Perathoner e G. Romeo. "31-O-03-Fe/MFI as a new heterogeneous Fenton-type catalyst in the treatment of wastewater from agroindustrial processes". In Studies in Surface Science and Catalysis, 181. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)81339-2.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Réaction de type Fenton"
Nunes, William, Enelton Fagnani e Renato Dantas. "Cinética de degradação e determinação quimiométrica de azocorante durante processo Fenton-type". In Congresso de Iniciação Científica UNICAMP. Universidade Estadual de Campinas, 2019. http://dx.doi.org/10.20396/revpibic2720191689.
Texto completo da fonteZhang, Jing. "Reusability of Iron sludge as an Iron source for Fenton-type process". In 2nd Annual International Conference on Energy, Environmental & Sustainable Ecosystem Development (EESED 2016). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/eesed-16.2017.68.
Texto completo da fonte"Activity of Magnetically Separable Catalyst Fe3O4 in Fenton Type Reaction during Methyl Violet Discoloration". In Chemical technology and engineering. Lviv Polytechnic National University, 2021. http://dx.doi.org/10.23939/cte2021.01.131.
Texto completo da fonteRojo de Castro, Luis. "METÁFORAS OBSESIVAS: marcas del surrealismo en la construcción del discurso de Le Corbusier". In LC2015 - Le Corbusier, 50 years later. Valencia: Universitat Politècnica València, 2015. http://dx.doi.org/10.4995/lc2015.2015.591.
Texto completo da fonte