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Artykuły w czasopismach na temat "Produit de lixiviation – Lixiviation – Polluants"
Grelier-Volatier, L., C. Hugrel, Y. Perrodin i L. Chateau. "Évaluation de l'écocompatibilité de déchets mis en dépôts ou valorisés en travaux publics : une méthode pluridisciplinaire pour une approche " en scénario"". Revue des sciences de l'eau 15 (12.04.2005): 57–66. http://dx.doi.org/10.7202/705486ar.
Pełny tekst źródłaForogo, Banambono Wilfried. "Étude expérimentale sur la dépollution des ETM des sédiments de dragage". Revue Française de Géotechnique, nr 171 (2022): 5. http://dx.doi.org/10.1051/geotech/2022009.
Pełny tekst źródłaImyim, Apichat, Pierre Moszkowicz, Ligia Tiruta-Barna, Florence Sanchez, Radu Barna i Jacques Méhu. "Mise au point d’une boîte à outils de tests de lixiviation pour l’évaluation du flux de polluants émis d’un déchet solide". Déchets, sciences et techniques, nr 18 (2000). http://dx.doi.org/10.4267/dechets-sciences-techniques.391.
Pełny tekst źródłaRozprawy doktorskie na temat "Produit de lixiviation – Lixiviation – Polluants"
Pareuil, Priscilla. "Etude du comportement à la lixiviation d’un laitier manganifère issu de la valorisation des piles alcalines & salines". Limoges, 2009. https://aurore.unilim.fr/theses/nxfile/default/74d0ce68-4a2e-4ad9-875b-d5d8161b938d/blobholder:0/2009LIMO4067.pdf.
Pełny tekst źródłaFerromanganese alloy production from alkaline batteries recycling by pyrometallurgical processes generates coproduct formation including Mn-rich slag. This one can be considered either as a waste (landfill) or as a secondary raw material (road construction, Mn ore …). In both cases, environmental safety has to be investigated because of the potential mobility of their metallic elements (ME) constituents. The aim of this study is to evaluate its behavior when it is submitted to different leaching conditions. The methodology used in this work is based on the hierarchical approach proposed by the European standard procedure EN 12920. Standard leaching tests which present a legal value allowed to place the Mn-rich slag from a regulatory point of view. Nevertheless, understanding leaching mechanisms requires further investigations. Thus, this study considered the influence of operational conditions (i. E. PH, Eh and liquid/solid ratio) on the ME mobility. The combination of these results to solid phases characterization and geochemical modeling (KINDIS(P) code) allowed to evidence that ME mobility was governed by dissolution/precipitation phenomenon, more or less favored by operational conditions. The simulation of environmental conditions in laboratory is difficult, the study of in-situ alteration of the Mn-rich slag was performed and highlighted the influence of the presence of the soil on the ME mobility through the presence of organic matter and colloidal fraction
Roque, António José Pereira Mendes. "Transfert advectif et diffusif de polluants inorganiques dans les barrières d'étanchéité minérales présentes dans les centres de stockage de déchets". Lyon, INSA, 2001. http://www.theses.fr/2001ISAL0034.
Pełny tekst źródłaThis work is intended to contribute to understand better the hydro-geochemical performance of fine-grained soils with geotechnical properties similar to those of soils that are currently used in the construction of compacted clay liners existing in the landfills. Therefore, the work is expected to contribute to improve the design and dimensioning of confinement systems based on the determination of the hydraulic conductivity, the effective diffusion coefficient and the capacity of retention of fine-grained soils. We begin by studying of the phenomenology of soil-water-electrolyte interactions, with a view to contribute to understand better the operation of the soil-leachate system. Subsequently, we describe the main physical, chemical and biological processes of retention of inorganic pollutants in the soils, and we present for some inorganic pollutants the mechanisms of retention that are responsible for their retardation in the soils. In addition, we indicate the main processes of pollutant transport through compacted clay liners, as well as the corresponding mathematical formulation. W e also refer to the fundamental principles of permeability and diffusion in the soils as well as the methods used in laboratory for measuring the hydraulic conductivity and the effective diffusion coefficient. W e present the characteristics of leachates produced in municipal solid landfills, as well as a data base concerning the chemical composition of these leachates. These data were used as supporting basis to the selection of inorganic chemical species and of chemical concentrations representative of the chemical composition of real leachates, with a view to prepare both acid and neutral to moderately alkaline leachates. We present the methodology that has led to collecting thirty samples from the main Portuguese clayey formations and we characterise the soils. The results obtained in the tests are analysed and we perform their statistical processing using linear regression and multivariate analysis methods, in order to select representative samples of the overall sampling. W e carry out permeability tests in laboratory with equipment and apparatuses that were specifically designed for: i) determining the hydraulic conductivity of specimens; ii) determining the time of advective transport of inorganic chemical species through the sampling soils; iii) studying the effects of both ac id and neutral to moderately alkaline leachates on the long-term integrity of soils. We carry out, other than the study on the advective transport of chemical species, a study on the diffusive transport of inorganic chemical species through the sampling soils. For the purpose, we designed equipment and apparatuses that were specifically intended to study the transport of pollutants by pure diffusion
Castillo, Rivera Luis Antonio (1970. "Etude d'effluents difficilement biodégradables : caractérisation et traitement par procédés d'oxydation avancée (POA)". Aix-Marseille 1, 1999. http://www.theses.fr/1999AIX11060.
Pełny tekst źródłaFrançois, Véronique. "Détermination d'indicateurs d'accélération et de stabilisation de déchets ménagers enfouis : Etude de l'impact de la recirculation de lixiviats sur colonnes de déchets". Limoges, 2004. http://aurore.unilim.fr/theses/nxfile/default/e0f3291f-7f59-4a4d-9909-f59c80696b99/blobholder:0/2004LIMO0004.pdf.
Pełny tekst źródłaVilomet, Jean-Daniel. "Evaluation du risque lié à une décharge d'ordures ménagères : suivi de la qualité d'un aquifère au moyen des isotopes stables du plomb et du strontium, corrélation avec des polluants spécifiques des lixiviats". Aix-Marseille 3, 2000. http://www.theses.fr/2000AIX30086.
Pełny tekst źródłaWe are evaluating strontium and stable lead isotopes, anionic tensides and TBT as an alternative tracers of landfill leachate in groundwater. The municipal landfill studied here is located in south-eastern France. Based on the evaluation of chloride concentration, the plume extends a maximum of 4600 m. Strontium and lead isotopic composition characterizes two sources : natural groundwater and landfill leachate contamination. Evolution of mixing ratios obtained with strontium reveals a second source of groundwater contamination : fertilizers (87Sr/86Sr = 0. 707859). These results suggest that isotopic signatures can be used to provide useful information on sources of groundwater contamination where conventional water quality parameters may yield ambiguous results
Coussy, Samuel. "Stabilisation de rejets miniers pollués à l'arsenic à l'aide de sous-produits cimentaires : étude de l'influence de la cristallochimie sur le risque de mobilisation des polluants". Phd thesis, INSA de Lyon, 2011. http://tel.archives-ouvertes.fr/tel-00740233.
Pełny tekst źródłaCoussy, Samuel. "Stabilisation de rejets miniers pollués à l’arsenic à l’aide de sous-produits cimentaires : étude de l’influence de la cristallochimie sur le risque de mobilisation des polluants". Thesis, Lyon, INSA, 2011. http://www.theses.fr/2011ISAL0077/document.
Pełny tekst źródłaThe objective of this study is to understand the geochemical behaviour of arsenic in cemented paste backfills. This technique consists in transporting the tailings in the mine openings. Two types of backfills are prepared in the laboratory for this study. First, synthetic cemented paste backfills artificially spiked with arsenic are synthesized, using silica in replacement of the tailings. In parallel, other cemented paste backfill specimens are prepared with arsenic-rich tailings. In the two cases, various types of hydraulic binders are tested. Several types of investigations are conducted on the cemented paste backfill specimens. A mineralogical characterization is carried out with the help of specific tools. At the same time, cemented paste backfill samples are submitted to several complementary leaching tests, to assess the mobility/immobilization potential of arsenic in these matrices. Finally, geochemical modeling is implemented, based on the results of the two previous studies, in order to refine the understanding of the nature and stability of the arsenic compounds. The results show that arsenic is better immobilized in Portland cement and slag-based matrices, rather than in fly ash-based matrices. The variable leaching behaviour from a given matrix to another is due to different arsenic trapping mechanisms. Arsenic can precipitate and form several arsenic minerals, mainly calcium arsenates, but also various other secondary compounds, which are different from a matrix to another. Physical entrapment of the tailings grains by the cementitious minerals can also occur, by formation of a coating around the grains, limiting the oxidation and dissolution of arsenic-bearing sulfides (passivation). These mechanisms are involved in the stabilization/solidification of arsenic by cemented paste backfills
Réthy, Zoltan. "Etude du comportement à la lixiviation d'un matériau à base de liant hydraulique contenant des polluants solubles". Lyon, INSA, 2001. http://www.theses.fr/2001ISAL0024.
Pełny tekst źródłaOur work is a study of the leaching behaviour of a cement-based material that was artificiaily "polluted" with metallic pollutants: Pb and Cd. The study of the literature presents the different existing leaching tests together with the interpretation models of the leaching behaviour of soluble elements. The experimental part is dedicated to the choice and the fabrication of the material, to the characterisation of its mechanic and physico-chemical properties, as well as to the assessment of its leaching behaviour with use of four different leaching tests. These tests differ from each other by the nature of the material samples (monolithic or granular) and by the hydrodynamic regime of the leaching. The developed physico-chemical model takes into account the diffusion transport and the phenomenon of dissolution 1 precipitation in the pores system of the material as well as in the leachate. The circulation (hydrodynamic) of the exterior liquid is also model led. The physico-chemical parameters of the models that describe the mass transfer of the studied elements (Na, K, Ca, Pb) in the case of each test are similar (or identical): the apparent diffusion coefficients show values near 10-12 m2s-1 , the concentrations are in accordance with the total content, etc. The very good concordance between the experimental and simulation results validates our modelling approach
Bellenfant, Gaël. "Modélisation de la production de lixiviat en centre de stockage de déchets ménagers". Vandoeuvre-les-Nancy, INPL, 2001. http://docnum.univ-lorraine.fr/public/INPL_T_2001_BELLENFANT_G.pdf.
Pełny tekst źródłaForecasting the quantity of leachate is a major issue in short and long term management of solid waste landfilI celIs, for environment protection as weIl as for financial aspects. We tried to assess the water budget at the scale of a landfilI celI in order to estimate the water fluxes inside wantes and at atmospheric interface (rainfalI, runoff, evaporation or evapotranpiration when the celI is covered with earth and vegetation). A celI was equipped for the monitoring of different tenus of the water budget, in a quite comprehensive manner. Time domain reflectometry probes were used for soil and waste moi sture measurement. Temperatures were also monitored in order to assess their influence on flows. This experimental approach produced new results about thermal behaviour of solid waste and values oftemperature gradients. The monitoring enabled to quantify the infiltration through the cover. In spite of some sensors ill operating, we obtained a fairly good qualitative representation of the water content variations at the botttom of the cell. A method for estimation of evaporation from solid waste exposed to atmosphere was proposed. Modelling of water and heat fluxes within solid waste was developped. The coupled model was able to simulate properly the water content variations of the cover, and the leachate height variations at the bottom. The interpretation of model results shows the influence of temperature, and the existence of a thermic « banier » limiting the updown water fluxes
Sillet, Arnauld-Amaury. "Traitement de la DCO dure par photooxydation avancée, couplage UV/H2O2". Lyon, INSA, 2001. http://www.theses.fr/2001ISAL0087.
Pełny tekst źródłaThe purpose of this work was to study the application of UV /H20 2 Advanced Oxidation Process (AOP) to industrial wastewaters containing non-biodegradable organic matter. Advanced oxidation bas been applied prior to release of pretreated effluents into a municipal sewage system to treat toxic effluents and landfill leachates and as post-treatment before releasing into a natural ecosystem. It has also been used to remove residual color from previously bio-treated dyeing wastewater. Several key factors have been studied : pH, hydroxyl radical scavengers, initial hydrogen peroxide concentration, irradiation time, flow rate, UV irradiation source, quality of the protecting quartz and thickness of the irradiated layer. The advanced oxidation UV/HzOz process appears to be a promising technique. Furthermore, organic pollution is not transferred but instead oxidized to carbon dioxide
Książki na temat "Produit de lixiviation – Lixiviation – Polluants"
H, Christensen Thomas, Cossu Raffaello i Stegmann Rainer, red. Landfilling of waste. London: Spon, 1992.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Biogas. Taylor & Francis Group, 2011.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Biogas. Taylor & Francis Group, 2020.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Barriers. Taylor & Francis Group, 2020.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Leachate. Taylor & Francis Group, 1992.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Biogas. Taylor & Francis Group, 2020.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Barriers. Taylor & Francis Group, 2020.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Barriers. Taylor & Francis Group, 2020.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Biogas. Taylor & Francis Group, 2020.
Znajdź pełny tekst źródłaChristensen, T. H., R. Stegmann i R. Cossu. Landfilling of Waste: Barriers. Taylor & Francis Group, 2020.
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