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Статті в журналах з теми "Mâchefers":
BECQUART, Frédéric. "Identification du comportement mécanique des mâchefers Valorisation en techniques routières." Revue Européenne de Génie Civil 10, no. 8 (September 2006): 991. http://dx.doi.org/10.1080/17747120.2006.9692872.
Sow, Libasse, Siham Kamali-Bernard, Olivier Bartier, Gérard Mauvoisin, and Fabrice Bernard. "Tests d’indentation instrumentée sur granulats de Mâchefers d’Incinération de Déchets Non Dangereux. Influence de la taille de l’indenteur sur le module élastique." MATEC Web of Conferences 261 (2019): 01002. http://dx.doi.org/10.1051/matecconf/201926101002.
François, D., J. Auzizeau, and G. Raimbault. "Caractérisation hydrodynamique de mâchefers d’incinération d’ordures ménagères utilisés en construction routière." Revue Française de Géotechnique, no. 103 (2003): 25–32. http://dx.doi.org/10.1051/geotech/2003103025.
Courard, L. "Utilisation des mâchefers d'incinérateur d'ordures ménagères dans la fabrication de pavés en béton." Materials and Structures 35, no. 250 (May 27, 2002): 365–72. http://dx.doi.org/10.1617/13788.
Courard, L., R. Degeimbre, A. Darimont, A. L. Laval, L. Dupont, and L. Bertrand. "Utilisation des mâchefers d'incinérateur d'ordures ménagères dans la fabrication de pavés en béton." Materials and Structures 35, no. 6 (July 2002): 365–72. http://dx.doi.org/10.1007/bf02483156.
Letté, Michel. "Savoirs et connaissances savantes sur un déchet protéiforme : les mâchefers (France, XVIe-XXIe siècle)." Revue d'histoire des sciences Tome 74, no. 1 (June 8, 2021): 119–45. http://dx.doi.org/10.3917/rhs.741.0119.
Letté, Michel. "Histoire, cultures et représentations d’une matière-déchet : les mâchefers du xviiie siècle à nos jours." Artefact, no. 13 (January 7, 2021): 427–61. http://dx.doi.org/10.4000/artefact.7051.
Becquart, Frédéric. "Comportement mécanique au triaxial d'un mâchefer d'incinération d'ordures ménagères." Revue européenne de génie civil 12, no. 6 (August 31, 2008): 673–86. http://dx.doi.org/10.3166/ejece.12.673-686.
Becquart, Frédéric. "Comportement mécanique au triaxial d'un mâchefer d'incinération d'ordures ménagères." European Journal of Environmental and Civil Engineering 12, no. 6 (June 2008): 673–86. http://dx.doi.org/10.1080/19648189.2008.9693038.
Bruder-Hubscher, Véronique, Florence Lagarde, Maurice Leroy, Magali Midy, and François Enguehard. "Valorisation de mâchefers d’incinération d’ordures ménagèresPartie 1 : caractérisation des mâchefers." Déchets, sciences et techniques, no. 18 (2000). http://dx.doi.org/10.4267/dechets-sciences-techniques.384.
Дисертації з теми "Mâchefers":
Coutaz, Lionel. "Valorisation des mâchefers d'usines d'incinération d'ordures ménagères." Lyon, INSA, 1996. http://www.theses.fr/1996ISAL0005.
Nowadays, the availability of natural aggregates becomes an important problem for industrialized countries. To answer to this problem, new synthetic aggregates have to develop. In this way, MSWI residues can be used: they present good geotechnical qualities, and former data showed that MSWI bottom ash represented a possible substitute. However, MSWI bottom ash is a waste and depends upon regulations which protect the environment. MSWI bottom ash coarser than 20 mm contains exclusively large unburnt and ferrous elements. Therefore, it was chosen to valorize the particles smaller than 20 mm. A systematic study of leachability and toxicity of various particle sizes present in this phase, was carried out. The results obtained showed that two main categories could be considered: sand (0-4 mm), and gravel (4-20 mm). They presented different physico-chemical behavior and only gravel met the French environmental regulations, without any pretreatment. It is the reason why we tried to use MSWI bottom ash as replacement of natural gravel. In order to improve mechanical strength of bottom ash allow its use in asphalt concrete, it was necessary to develop a treatment based on hydraulic binders. Another way of valorization was the elaboration of concrete for the building industry. In this case, it was necessary to eliminate the metal form of aluminum by a specific treatment. Once this problem solved, the 28-day concrete strength reached 25 MPa
Pillay, Govinda. "Etude des propriétés d'absorption des mâchefers d’incinération d'ordures ménagères." Lyon, INSA, 1985. http://www.theses.fr/1985ISAL0043.
The aim of this thesis is to improve the practice of an invention concerning landfill leachate treatment by municipal solid waste incinerator residue (MSWIR). Laboratory experiments for the determinalion of MSWIR properties were carried out on solutions containing more or Jess identified pollulanls (phenol. Congo red. Leachate. . . ). First of all, batch studies in sealed flasks on the adsorbent characteristics of MSWIR have shown that: - the FREUNDLICH isotherm equation provides a reliable description of the isotherm data: - adsorption involves two stages and surely different types of sites: the first stage is more likely due to a quite rapid preliminary adsorption of a quantity of pollutant: for the description of the second stage, it is convenient to assimilate this rapidly adsorbed quantity to an initial solid phase concentration not equal to zero. Next, the removal performances of dry MSWIR for the considered pollutants were studied in continuous flow columns. This was dona in order to be as close as possible to conditions encountered in full scale operations where MSWIR heaps are sprinkled with landfill leachate. According lo the relatively weak adsorption capacity of the material, it was necessary to examine carefully the "wetting" of the column. Stage during which an important fraction of the adsorption capacity is spent. Lastly, we tried a mathematical model taking into account the percolation of pollutants through MSWIR a quite heterogeneous material. Parameters derived from batch-reactor isotherm and kinetic studies were incorporated. In this predictive model. Referring to the very classical confidence interval statistical notion. We finally obtained calculated concentration-time profiles for the continuous flow system quite close to the experimental ones by the adjustment of certain parameters. These results forecast well the undertaking of similar research work related to soil pollution by landfill leachate
Perrin, Mathilde. "Récupération sélective de métaux à partir des mâchefers d'incinérateurs d'ordures ménagères." Electronic Thesis or Diss., Université Grenoble Alpes, 2023. http://www.theses.fr/2023GRALI118.
The thesis is part of a European project called Refina focused on the development of innovative processes for the valorization of the fine fraction of municipal waste incinerator bottom ashes. Indeed, the fine fraction of this residue issued from the incineration of our household waste is not valorized in Europe, mainly due its high content in leachable metals. At the same time, the surface of sites available for its landfilling decreases and the landfill costs increase. Moreover, the increase in metals and sand consumption has prompted the interest in this residue, which presents concentrations of certain metals such as copper close to the currently mined low-grade ores (around 0.3 wt%).The project partners worked on three different alternatives of this fine fraction valorization in order to evaluate their feasibility: the physical concentration of metals, the valorization of the solid in lightweight concretes (LWC), and the development of a hydrometallurgical process for recovery of metals of interest. It is this latter part that constitutes the project of this thesis. After characterization of the raw solid, the choice of metals of interest was focused first on copper, followed by zinc. In the case of the concentrated fraction provided by the project partners, nickel and silver recovery could be envisaged too.Firstly, the raw fraction issued directly from the incineration facility was processed by hydrometallurgy with severe constraints regarding the volumes to be treated and the abundance of various accompanying elements and carbonate minerals. In the second part of the thesis, the hydrometallurgical process was adapted to the use of physically pre-concentrated materials at the entry of the process. Finally, the environmental and economic analysis of the complete process developed by all the partners within the Refina project was carried out. The aim is to assess the environmental and economic benefits of the process and identify the areas for improvement. Copper and zinc leaching yields as high as 90% and 70% have been reached respectively both for the raw or the concentrated bottom ashes. Both elements are then recovered under the form of copper metal with a purity of over 99.6%, silver being its major impurity, and as ZnAl2O4 for zinc. Environmental and economic analysis shows that the direct valorization of the fine fraction in concrete is the most economically viable method but has no significant positive impacts on the environment. On the contrary, the recovery of metals in addition to the use of the light mineral fraction in concrete represents a higher economic cost, but generates a greater positive impact on the environment, notably in the resource scarcity impact categories
Crignon, Caroline. "Etude expérimentale du gonflement des mâchefers d'incinération d'ordures ménagères traités aux liants hydrauliques." Lille 1, 2000. http://www.theses.fr/2000LIL10093.
Brons-Laot, Gwenaelle. "Evaluation environnementale de la valorisation de mâchefers d'incinération d'ordures ménagères en remplissage de carrière." Lyon, INSA, 2002. http://theses.insa-lyon.fr/publication/2002ISAL0050/these.pdf.
He leaching behaviour of three different MSWI bottom ashes-based materials containing hydraulic binders is assessed in the conditions specified by the quarry backfilling application. An adapted approach methodology is applied: physical, mineralogical and chemical characterisations of materials, use of parametric tests to determine the effect of main scenarios factors on the release, chemical modelling based on mineralogical and experimental leaching data with geochemical calculation codes, chemical reaction / transport coupled modelling. The main results demonstrate that : the batch and dynamic tests allow to obtain enough data to model and to predict the long term behaviour, the chemical modelling of the solid / liquid equilibrium permits the determination of the chemical reactions involved and the prediction of pollutants solubilisation in different chemical contexts, the new materials (source term) present a low environmental impact in the conditions specified by the considered scenarios
Remontet-Dugenest, Stéphanie. "Mâchefers d'incinération d'ordures ménagères : caractérisation physico-chimique de la matière organique : études cinétiques et mécanistiques." Lyon 1, 1997. http://www.theses.fr/1997LYO10366.
Radu, Tirnoveanu Daniela. "Etude des propriétés épuratoires des Mâchefers d'Incinération d'Ordures Ménagères et de leur mise en oeuvre." Lyon, INSA, 2004. http://theses.insa-lyon.fr/publication/2004ISAL0082/these.pdf.
The evolution of our societies, and specifically the associated trends in consumer consumption, have led to a continual increase in waste production, and particularly household waste. Despite a strong political will to develop source separation and recycling of household waste, the majority of this waste stream is disposed of by two main techniques : storage in engineered landfills and incineration. Storage in anaerobic conditions, leads to the formation of landfill biogas which contains sufficient methane for combustion and energy recovery, but also contains compounds (sulphides, volatile organic compounds) in trace amounts which produce olfactory nuisances and are corrosive, aggressive and hazardous to the environment. As for incineration, it produces solid wastes and in particular bottom ash which needs to be stored or reused after treatment. Our study focuses on a new way of reusing incinerator bottom ash, notably for the purification of landfill biogas. As part of this study, a pilot test unit was developed and operated at the Roche la Molière engineered landfill (department 42). The purification potential of bottom ash from the North-Lyon (department 69) incineration plant was tested on real landfill biogas using this pilot test unit. The gas phase chromatography analysis was mainly used to measure sulphur based compounds (hydrogen sulfide and mercaptans), but was also used to measure the main volatile organic compounds. Thermal desorption studies were also completed in the laboratory. The results show that the incinerator bottom ash presents significant purification potential and in particular with regards to the sulphur compounds which are mineralised by way of chemical reactions. The quantification of the purification potential of the incinerator bottom ash allowed for full scale dimensioning and the validation of their use directly within the landfill for in situ biogas treatment
Quilici, Laeticia. "Le carbone organique dans les mâchefers d'incinération d'ordures ménagères : extraction, structures et rôle sur l'environnement." Toulon, 2001. http://www.theses.fr/2001TOUL0010.
Ln France, about 50 % of municipal solid wastes are incinerated (with or without energy recuperation). The main solid residue from incineration process is bottom ash. Municipal Solid Waste Incineration (MSWI) bottom ash storage or valorisation poses an ecological and economic problem for industrials and local communities. This study is about characterisation of organic fraction present in MSWI bottom ash as well as its influence in short and long term behaviour of bottom ash. Differentia] Scanning Calorimetry (DSC) is applied to speciation and evaluation of carbon in MSWI residues. This innovative recognition approach highlights and quantifies different types of carboned materials in bottom ash: Labile Organic Carbon (LOG) and Refractory Carbon (RC). Characterisation and dosage of organic compounds (paraffins, carboxylic acids, polycyclic aromatic hydrocarbons) are realised with various extraction (traditional extraction (Soxhlet) and Supercritical Fluid Extraction (SFE)) and identification (Gas Chromatography coupled with mass spectrometer detector (GC-MSD)) methods. This fine characterisation of organic matter has permitted to evaluate the short and long term available and mobilisable organic reservoir, and also the complexation possibility of some metals with carboxylic acids generously present in bottom ash. Moreover, any ecotoxicity tests performed on studied residues gets a new approach of bottom ash characterisation. A direct correlation with bottom ash physico-chemical parameters (usually studied) and its biotests responses is not possible. In opposite, a relation with carboxylic acids content and ecotoxic indice bottom ash is highlight
Wang, Jia. "Le mécanisme d'hydratation de ciment basé aux mâchefers Bas-CO2 contenant belite, ye'elimite et l'alumino-ferrite de calcium." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2010. http://tel.archives-ouvertes.fr/tel-00595554.
Hammoud, Ola. "Caractérisation, prétraitement et valorisation dans un béton prêt à l'emploi de Mâchefers d'Incinération de Déchets Non Dangereux (MIDND)." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI039.
Valorisation of Municipal Solid Waste Incineration Bottom Ash (MSWI-BA) in building materials in order to reduce their expansive storage in technical burying center and preserve the natural ressources constitutes a challenge. A hindrance of this valorisation is the pollutant potential of metals (especially mineral traces elements MTE) and anions likely to be released in use scenarios. This thesis evaluates the impact of incorporation of MSWI-BA into ready-mix concrete formulation. It helps to improve the understanding of MTE and anions behaviour in different leaching conditions and to find adequate solutions to limit their mobility. The first part presents the technical and environmental performances of ready-mix concrete formulated by partially replacing of the natural aggregates with different size fractions of BA incorporated at different substitution rates. The results demonstrate that the environmental performances of the scenario comply with the regulatory requirements of the Netherlands. On the other hand, the compressive strength is reduced by half compared to the standard formulation. Pretreatment of MSWI-BA could improve the mechanical performances. The second part describes the influence of thermal and chemical pretreatments on the mobility of MTE. The results show that the efficiency of the thermal treatment depends on the temperature and the target element. Optimised chemical treatment used in this study appears to be more effective. The third part, dedicated to the geochemical modeling of BA behaviour in leaching scenarios, allowed us to identify the mineralogical phases that control the mobility of MTE. It shows that the majority phases impose the parameters of the solution such as the pH and consequently, influences on the release of the MTE. This knowledge facilitates the definition of the possible pretreatments to be applied on the MSWI-BA before its valorisation
Книги з теми "Mâchefers":
Duval, Fred, Sébastien Vastra, and Sebastien Vastra. Mâchefer, tome 2. Vents d'Ouest, 2002.
Kuentz-S, Levi. Alerte au mâchefer !, Album. Hatier Scolaire, 2001.