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Artykuły w czasopismach na temat "Argile – Environnement"
Fea, Isaac, Able Guiako Jonas, Maria Kamagate Djodjo i Paul Assalé Fori Yao. "Reconstitution Paléoenvironnementale des Formations Maastrichtiennes, Cénomaniennes et Albiennes Basée sur les Données Sédimentologiques et Ichnologiques Issues des Carottes du Puits FIM-1X dans le Bassin Sédimentaire Offshore de la Cote d’Ivoire". European Scientific Journal, ESJ 18, nr 21 (30.06.2022): 295. http://dx.doi.org/10.19044/esj.2022.v18n21p295.
Pełny tekst źródłaSaulnier-Talbot, Émilie, i Reinard Pienitz. "Isolation au postglaciaire d'un bassin côtier près de Kuujjuaraapik-Whapmagoostui, en Hudsonie (Québec) : une analyse biostratigraphique diatomifère". Géographie physique et Quaternaire 55, nr 1 (2.10.2002): 63–74. http://dx.doi.org/10.7202/005662ar.
Pełny tekst źródłaBen Moussa, Amor, Houcem Mzali, Hatem Elmejri i Sarra Bel Haj Salem. "Apport des outils hydrogéochimiques à l'évaluation de la qualité et l'aptitude des eaux souterraines à l'irrigation : cas de la nappe phréatique de la basse vallée de Medjerda, Tunisie Nord-Orientale". La Houille Blanche, nr 5-6 (grudzień 2019): 35–44. http://dx.doi.org/10.1051/lhb/2019053.
Pełny tekst źródłaBOUTALEB, F., N. BOUTALEB, B. BAHLAOUAN i S. EL ANTRI. "Valorisation du stérile d’exploitation des phosphates au Maroc dans la fabrication de carreaux céramiques". Techniques Sciences Méthodes, nr 3 (20.03.2020): 37–43. http://dx.doi.org/10.36904/tsm/202003037.
Pełny tekst źródłaMerzeraud, Gilles, El Mabrouk Essid, Wissem Marzougui, Hayet Khayati Ammar, Sylvain Adnet, Laurent Marivaux, Rodolphe Tabuce i Monique Vianey-Liaud. "Stratigraphie et sédimentologie des dépôts marins et continentaux d’âge éocène moyen à miocène en Tunisie centrale (région du Djebel el Kébar)". Bulletin de la Société Géologique de France 187, nr 1 (1.01.2016): 11–25. http://dx.doi.org/10.2113/gssgfbull.187.1.11.
Pełny tekst źródłaOcchietti, Serge. "Stratigraphie du Wisconsinien de la région de Trois-Rivières-Shawinigan, Québec". Dynamique et paléogéographie de l’inlandsis laurentidien 31, nr 3-4 (17.01.2011): 307–22. http://dx.doi.org/10.7202/1000280ar.
Pełny tekst źródłaNtouala, Roger Firmin Donald, Brondon Ebeedom Ndjankoum, Estelle Ndome-Priso, Marie Therese Nanga Binel, Vincent Laurent Onana i Georges Emmanuel Ekodeck. "Mineralogical, geochemical, and physico-mechanical features of Bidzar (North Cameroon) termite mound materials and its suitability in producing fired bricks with marble powder additive". Journal of the Cameroon Academy of Sciences 20, nr 1 (11.03.2024): 39–54. http://dx.doi.org/10.4314/jcas.v20i1.3.
Pełny tekst źródłaLandrein, Philippe, Georges Vigneron, Jacques Delay, Patrick Lebon i Maurice Pagel. "Lithologie, hydrodynamisme et thermicité dans le système sédimentaire multicouche recoupé par les forages Andra de Montiers-sur-Saulx (Meuse)". Bulletin de la Société Géologique de France 184, nr 6 (1.11.2013): 519–43. http://dx.doi.org/10.2113/gssgfbull.184.6.519.
Pełny tekst źródłaRozprawy doktorskie na temat "Argile – Environnement"
Portier, Eric. "Lien entre environnement de dépôt et diagenèse précoce : importance dans la prédiction des qualités réservoir". Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS548.
Pełny tekst źródłaReservoir quality distribution in subsurface, within an aquifer, storage or a hydrocarbon bearing reservoir, is largely variable and hence, difficult to predict. This study focuses on the early diagenetic processes, which are considered as key in the next steps of the diagenesis of deeply buried reservoir. Based on the examples of sandstones deposited in glacial setting during Ordovician of a gas field in Algeria and tidal sandstones from a Permian formation in Australia, the objective is to show the role and control exerted by the depositional environment on early diagenesis, and especially the major role of sediment reworking to predict reservoir quality distribution. The studied reworking processes are responsible of clay incorporation into sand deposits, as clay coats around detrital gains or as pore linings. The nature of clay is then determinant in the diagenetic processes, as these coatings may enhance chemical compaction if illitic in nature, or reversely, may inhibit cementation and help preserving reservoir quality if they are made of ferrous chlorite. These reworkings are associated to fluid overpressure within the sediment in glacial settings, whilst they are associated to the permanent reworking of sands by tidal currents, enabling the agglomeration of clay flocs to detrital grains with biofilm elements acting as natural glue
Abidi, Nejib. "Interactions argiles naturelles-effluents teinturiers : influence des propriétés de surface des argiles et mécanismes d'adsorption des colorants". Electronic Thesis or Diss., Strasbourg, 2015. http://www.theses.fr/2015STRAH005.
Pełny tekst źródłaIndustrial effluents from textile activities often have a high pollution load readily biodegradable. Previous work has shown the potential of natural untreated clays to clean up these dyers effluents although anionic dyes are not easily absorbable on these media. The effluents also contain other chemical compounds used in the different stages of the dyeing process, and which are of various natures (salts, acids, bases, detergents, enzyme derivatives, etc ...). It appears that these auxiliary products play a role in the adsorption of anionic dyes on untreated clay. However, no currently known study has examined the effect of the additives from the dyeing process on the adsorption of dye onto clay. This is the first study to focus on the dye-clay-additive system. Adsorption / desorption batch tests were conducted considering different dye additive-clay systems. The tests’ results show that the enzyme like additives enhance the adsorption of anionic dye on the clay by neutralizing the negative charges and reinforcing clay-dye links. Other additives have the opposite effect, but do not offset the positive effect of enzyme like additives when mixed in the effluent. Assumptions of interactions involved in dye adsorption were made with the help of the results of infrared and mass spectrometry, zetametry and the modeling of adsorption isotherms
Poussardin, Victor. "Utilisation d'argiles et de marnes calcinées dans le développement de ciments composés". Electronic Thesis or Diss., Ecole centrale de Nantes, 2022. http://www.theses.fr/2022ECDN0040.
Pełny tekst źródłaThe use of Supplementary Cementitious Materials (SCMs) as a substitute for clinker is a well-known technology that can reduce the environmental cost of cement. Among the SCMs widely used today are fly ash, blast furnace slag and glass powder. In recent years, there has been a growing interest in the use of calcined clays as SCMs, particularly due to their high reactivity and availability.This thesis project focuses on the use of calcined clays and marlstones as supplementary cementitious materials. The main aim is to identify new materials that could be of interest for use as SCMs. To this end, a multi-scale macro/micro approach is used to study the calcination, pozzolanic reactivity and performance in cementitious systems of these new materials. It was possible to demonstrate that marlstones (despite their complex mineralogical composition) have the potential to be used as supplementary cementitious materials after calcination, even with a low proportion of clays. Subsequently, it was shown that palygorskite is a high potential clay for use as a supplementary cementitious material after calcination, and can be considered as a viable alternative to metakaolin. The extensive study of the use of calcined palygorskites as SCMs has also provided new fundamental insights into the understanding of the mechanisms involved in the calcination of this type of material
Sani, Rababe. "Étude des transformations microstructurales de mélanges argile/Combustibles Solides de Récupération (CSR) lors de la cuisson : relations entre propriétés physico-chimiques, mécaniques et thermiques". Electronic Thesis or Diss., Ecole nationale des Mines d'Albi-Carmaux, 2018. http://www.theses.fr/2018EMAC0005.
Pełny tekst źródłaThe valorization of co-products rich in organic and inorganic materials as additives in formulations based on clay matrix can improve both the mechanical and thermal performances of ceramic materials as well as the energy balance of the manufacturing processes of these products. This study focused on the incorporation of Solid Recovered Fuels (SRF) into the clay ceramics for civil engineering in close collaboration with TERREAL as part of the ANR funded LabCom RESPECTc project. Firstly, two SRF were selected and used as additives to improve the properties of ceramic materials from to clay mixture deposits named ML and MC from TERREAL. The influence of the nature, the amount of SRF, the grain size of SRF and the nature of clay matrix on the physico-chemical, mechanical and thermal properties of the clay/SRF mixtures were studied between 30°C and 1100°C. In all cases, the addition of SRF into the clay mixture (ML or MC) has enhanced the insulating nature of the ceramic materials by reducing their thermal conductivity. The addition of SRF has also improved the mechanical properties of the ceramic materials, depending on the nature and the amount of SRF added, the rate and the nature (shape, size and distribution) of the porosity created. The study demonstrated that interactions between clay minerals and inorganic elements of SRF have a significant effect on mechanical and thermal properties. The results showed that the addition of 4 wt.% of SRF15-1 containing an ash content of 65.7 wt.% into clay matrix ML led to increase the mechanical strength of the material based on the clay matrix ML of the order of 32%. Then, a kinetic model of thermal sintering based on the dimensional variations of ceramic materials between 650°C and 1000°C was developed from thermomechanical analysis (TMA) of the clay mixtures (with or without SRF). The main objective is to better understand the mechanism of the thermal sintering involved. The model developed showed a good adequacy with the experimental data. The results showed that the thermal sintering step of these mixtures is carried out by the presence of a liquid phase and that the addition of SRF has accelerated the densification of ceramic materials. This has led to decrease the usual firing temperature of ceramic materials, allowing a significant energy savings. Finally, an environmental assessment was carried out during the firing of clay/SRF mixtures. This study was particularly focused on the contribution of SRF to the energy balance and impact of critical gas emissions such as CO2, CO and HCl. The results showed that CO2 and CO emissions during firing of clay/SRF mixtures increased due to the thermal decomposition of the organic matter of SRF and that less than 50 wt.% of chlorine was converted to HCl (18-31 ppm). The energy balance showed that the addition of SRF into the ML matrix compensates for a significant part of the natural gas usually used as fuel during firing of these ceramic materials. This was reflected by a thermal energy saving and reduction of CO2 emissions from the decarbonatation of the clay matrix
Zangué, Adjia Henriette. "Adsorption des métaux lourds des eaux usées par les argiles alluviales de l'Extrême-Nord Cameroun". Electronic Thesis or Diss., Université de Lorraine, 2012. http://www.theses.fr/2012LORR0389.
Pełny tekst źródłaThe industrial and urban development increases the water pollution in Cameroon. It becomes imperative to develop inexpensive and easy to manage remediation methods. This work aimed at eliminating heavy metals (Cu2+, Pb2+, Hg2+, Cr3+) from water by adsorption on raw or heat treated clay. The alluvial clay sampled in the far North of Cameroon mainly contains smectite (46%), kaolinite (38%), interlayers (10%) and quartz (5%). The structural formulas are : (Si3,42Al0,58)(Al0,87Fe0,96Mg0,17)O10(OH)2(C+)0,75 for the smectite and Si2Al1,95Fe0,05O5(OH)4 for the kaolinite. The heavy metals cations fastly adsorb on raw clay, the temperature and the pH have not much influence on their adsorption. The clay affinity in relation to Cu2+, and Pb2+ is very strong whereas it is low for Hg2+, Cr3+. For the adsorption of Cu2+, Pb2+ and Cr3+ the proposed mechanisms are the cation exchange and the complexation while for the Hg2+, a mechanism of speciation is involved. The pellets obtained by thremic treatment of the clay above 500°C are stable in solution and they have a good capacity for heavy metals adsorption. Performances of the pellets are lower than those of raw clay, however, their use is easier since they do not need solid-liquid separation after adsorption
Strechie-Sliwinski, Claudia. "Enregistrement sédimentaire des changements environnementaux récents dans la zone Nord-Ouest de la Mer Noire". Paris 11, 2007. http://www.theses.fr/2007PA112178.
Pełny tekst źródłaThe purpose of this study is to investigate the processes and the recent environmental changes stored in the sediments from the North-Western part of the Black Sea in the last 30,000 years. We used sedimentary cores extracted from water depths ranging from 55 to 2100 m. In order to obtain information about the depositional environment and the chronology of the events, we used different methods: clay mineralogy analysis, sedimentology, environmental magnetism, organic matter characteristics and AMS radiocarbon chronology. Radiocarbon dating of the organic matter and fossil shells was used to obtain a precise chronology of the past events. It was difficult to correct the 14C data, because of the differences between the ages of organic matter and shells that varied significantly from one sample to another. This difficulty comes from the fact that the Black Sea basin contained in some periods oxygenated fresh water and in some periods stratified salty water. The correlation between the 14C data and the carbonate content allowed us to set up a chronology of the sediments. The clay mineralogy pointed out that the sediments containing smectite were carried into the basin mainly from the North and not from the South of the drainage basin, as previous studies indicated. The environmental magnetism study helped us to determine the significant variations in the oxygenation of the sediment and of the water column (i. E. , changes between oxygenated and anoxic conditions). The magnetism study together with the organic matter characteristics also indicates changes in the salinity of the water. Our study reveals the environmental changes that have occurred during the last 30,000 years
Berez, Amor. "Dépollution par l'argile naturelle d'effluents teinturiers : étude expérimentale et modélisation du processus d'adsorption / désorption en réacteur fermé et colonne de percolation". Electronic Thesis or Diss., Strasbourg, 2015. http://www.theses.fr/2015STRAH007.
Pełny tekst źródłaThe aim of the work is to study the adsorption-desorption process of an azo dye on natural clay from two Tunisian deposits. The laboratory experiment was conducted in a closed reactor (batch) and percolation column. In the first step, two types of clay were used. The kinetic study shows that the adsorption and desorption follow the pattern of a pseudo first order phenomenon. A Langmuir isotherm is fitted to the adsorption process, while the desorption isotherm is characterised by hysteresis. The adsorption capacity of the Gafsa clay is more pronounced than that of the Borj Chekir clay. The percolation column studies were conducted on a mixture of of Borj Chekir clay and medium sand H2F. Hydrodynamic parameters were determined using an inert tracer (fluorescein). The reactive transport study showed that an increase in clay percentage will increase retention, but, on the other hand when using a constant percentage of the clay-sand mixture, increasing the injection rate will decrease the retention capacity of the mixture. The output curves were then compared with the numerical results of a 1D reactive transport model incorporating two reversible and irreversible adsorption sites
Blanchet, François. "Etude géomécanique de glissements de terrain dans les argiles glacio-lacustres de la vallée du Drac". Phd thesis, Grenoble 1, 1988. http://www.theses.fr/1988GRE10117.
Pełny tekst źródłaSmati, Abdenasser. "Contribution à l'étude des transferts de chaleur et de masse dans le matériau de remplissage d'un stockage de déchets haute activité". Paris 6, 1986. http://www.theses.fr/1986PA066143.
Pełny tekst źródłaAit, Saadi Lotfi Didier Gérard Kastner Richard. "Méthodologie de contrôle de l'homogénéité et de la perméabilité des barrières argileuses". Villeurbanne : Doc'INSA, 2005. http://docinsa.insa-lyon.fr/these/pont.php?id=ait_saadi.
Pełny tekst źródłaKsiążki na temat "Argile – Environnement"
Deconinck, Jean-François. Argiles, sédimentologie, diagenèse, environnement: Réunion spécialisée, Association des sédimentologistes français, Société géologique de France : à Lille, le 20 et 21 novembre 1998. Paris: ASF, 1998.
Znajdź pełny tekst źródłaZoltán, Adamis, Williams Richard B, International Labour Organisation, United Nations Environment Programme, World Health Organization i Inter-Organization Programme for the Sound Management of Chemicals., red. Bentonite, kaolin, and selected clay minerals. Geneva: World Health Organization, 2005.
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