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Academic literature on the topic 'Azote et DCO réfractaire'
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Journal articles on the topic "Azote et DCO réfractaire"
Aloulou, Imen, Khaled Walha, Raja Ben Amar, Francis Quemeneur, and Pascal Jaouen. "Étude préliminaire du traitement d’effluents contenant de l’encre de seiche par centrifugation et procédés à membranes." Revue des sciences de l'eau 19, no. 4 (January 17, 2007): 383–92. http://dx.doi.org/10.7202/014422ar.
Full textHanafi, Fatiha, Nadia Sadif, Omar Assobhei, and Mohammed Mountadar. "Traitement des margines par électrocoagulation avec des électrodes plates en aluminium." Revue des sciences de l'eau 22, no. 4 (October 22, 2009): 473–85. http://dx.doi.org/10.7202/038326ar.
Full textKhennoussi, Abdelaziz, Mehdi Chaouch, and Abdelkader Chahlaoui. "Traitement des effluents d’abattoir de viande rouge par électrocoagulation-flottation avec des électrodes en fer." Revue des sciences de l’eau 26, no. 2 (June 3, 2013): 135–50. http://dx.doi.org/10.7202/1016064ar.
Full textKone, Martine, Lucien Bonou, Jean Koulidiati, Pierre Joly, Soumaïla Sodre, and Yvette Bouvet. "Traitement d'eaux usées urbaines par infiltration-percolation sur sable et sur substrat de coco après un bassin anaérobie de lagune sous climat tropical." Revue des sciences de l’eau 25, no. 2 (August 7, 2012): 139–51. http://dx.doi.org/10.7202/1011604ar.
Full textMaiga, Amadou Hama, Yacouba Konate, Joseph Wethe, Kokou Denyigba, Denis Zoungrana, and Lassana Togola. "Performances épuratoires d’une filière de trois bassins en série de lagunage à microphytes sous climat sahélien : cas de la station de traitement des eaux usées de 21E (groupe EIER-ETSHER)." Revue des sciences de l'eau 21, no. 4 (October 20, 2008): 399–411. http://dx.doi.org/10.7202/019163ar.
Full textTurcotte, Véronique, Jean-François Blais, Guy Mercier, and Patrick Drogui. "Utilisation des écailles de cacao comme support de biofiltration pour le traitement d’effluents de l’industrie agro-alimentaireArticles envoyés à la Revue du génie et de la science de l'environnement." Canadian Journal of Civil Engineering 36, no. 6 (June 2009): 1059–70. http://dx.doi.org/10.1139/l09-063.
Full textKhattabi, H., L. Aleya, and J. Mania. "Lagunage naturel de lixiviat de décharge." Revue des sciences de l'eau 15, no. 1 (April 12, 2005): 411–19. http://dx.doi.org/10.7202/705462ar.
Full textDovonou, Flavien Edia, Etienne Mivodjo Alladassivo, John Martial Koukpo, Luc Sintondji, and Nicaise Yalo. "Evaluation de la qualité physico-chimique et bactériologique de l’eau du lac Azili dans la commune de Zangnanado au centre du Bénin." International Journal of Biological and Chemical Sciences 16, no. 2 (July 8, 2022): 867–77. http://dx.doi.org/10.4314/ijbcs.v16i2.28.
Full textPATRIS, T., P. BALCH, C. JOANNIS, and A. CHAUBET. "Relations entre paramètres physiques et concentrations en polluants dans les effluents unitaires de Brest Métropole." Techniques Sciences Méthodes, no. 6 (June 22, 2020): 59–70. http://dx.doi.org/10.36904/tsm/202006059.
Full textAbissy, M., and L. Mandi. "Utilisation des plantes aquatiques enracinées pour le traitement des eaux usées urbaines : cas du roseau." Revue des sciences de l'eau 12, no. 2 (April 12, 2005): 285–315. http://dx.doi.org/10.7202/705353ar.
Full textDissertations / Theses on the topic "Azote et DCO réfractaire"
Faixo, Sylvain. "Caractérisation et oxydation de composés organiques réfractaires issus du traitement thermique de boues d’épuration." Electronic Thesis or Diss., Toulouse, INSA, 2023. http://www.theses.fr/2023ISAT0059.
Full textThe treatment of sludge produced by wastewater treatment plants (WWTP) represents a major challenge for the optimization of energy consumption and material flows. Among emerging processes, thermal treatments have many interests: increased methane production in anaerobic digestion, improved dewaterability by centrifugation and hygienization of sludges. However, they produce biorefractory organic compounds, also called melanoidins, through Maillard reactions. Those very diversified compounds are characterized by a high molecular weight, a polymeric and unsaturated structure, and a high nitrogen content. Their refractoriness prevents their biodegradation in common WWTP biological processes, leading to an increase of COD and TKN in the plant discharge.This thesis aimed to answer two main questions:- How to quantify and qualify biorefractory compounds formed by thermal processes?- How to degrade or to enhance the biodegradability of biorefractory compounds formed by thermal processes?First, an analytical method has been developed to characterize melanoidins, based on size exclusion liquid chromatography with UV and fluorescence detection (UPLC-SEC-UV-Fluo). Statistical treatment of the data by artificial neural network and principal component analysis led to an innovative characterization of melanoidins.Centrates of thermaly treated sludge from two WWTP (110,000 and 950,000p.e.) were studied. The method displayed a good ability to differentiate refractory compounds from each other and from biodegradable compounds.Our study exhibited that biological sludge produces twice as much refractory compounds than primary sludge. Moreover, the structure of refractory compound is linked to the process’ temperature and the sludge’s origin from, but it does not depend on the type of sludge thermally treated.Then, the degradation or biodegradability enhancement of refractory compounds by both ozonation and electro-oxidation was investigated.The ozonation was studied through an experimental plan to evaluate the impact of pH and concentrations of refractory COD, biodegradable COD and N-NH4+, on refractory molecules. Our results showed that ozonation can increase the biodegradability; its performances are influenced by pH and concentration of refractory COD. Optimal conditions can reduce the dose of ozone needed by two to three times. The UPLC-SEC-UV/Fluo method was then used to identify the chemical structures and the parameters predicting the biodegradability of refractory compounds during ozonation.The feasibility of electro-oxidation of refractory compounds was first assessed with a boron doped diamond anode. As a result, a complete mineralization was achieved for both organic nitrogen and COD. Therefore, active anodes were tested and highlighted a biodegradability enhancement when adding chlorine as electrolyte.Both technologies demonstrated up to 70% of refractory COD and organic nitrogen removal, decreasing substantially their recycling to the head of the plant.In the last part, the whole UPLC-SEC-UV/Fluo characterization method has been discussed in its potential and with respect to the literature. Finally, the benefits and possible drawbacks of each oxidation technology and their implementation at industrial scale were discussed
Somatri-Bouamrane, Rabia. "Caractérisation des éléments : carbone, azote, oxygène et métal réfractaire dans des dépôts binaires et ternaires à base de silicium par méthodes d'analyse utilisant les faisceaux d'ions." Lyon 1, 1996. http://www.theses.fr/1996LYO10313.
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