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Artykuły w czasopismach na temat "Composés aromatiques polycycliques – Environnement"
Schindler, David W. "Geoscience of Climate and Energy 12. Water Quality Issues in the Oil Sands Region of the Lower Athabasca River, Alberta". Geoscience Canada 40, nr 3 (31.10.2013): 202. http://dx.doi.org/10.12789/geocanj.2013.40.012.
Pełny tekst źródłaPelletier, Émilien, i Peter G. C. Campbell. "L’écotoxicologie aquatique - comparaison entre les micropolluants organiques et les métaux : constats actuels et défis pour l’avenir". Revue des sciences de l'eau 21, nr 2 (22.07.2008): 173–97. http://dx.doi.org/10.7202/018465ar.
Pełny tekst źródłaRYCHEN, G., C. DUCOULOMBIER-CREPINEAU, N. GROVA, S. JURJANZ i C. FEIDT. "Modalités et risques de transfert des polluants organiques persistants vers le lait". INRAE Productions Animales 18, nr 5 (18.12.2005): 355–66. http://dx.doi.org/10.20870/productions-animales.2005.18.5.3538.
Pełny tekst źródłaAnthoine, G., J. Nasielski i B. Wilmet-Devos. "Propriétés physico-chimiques de composés caractère aromatique. potentiels de demi-onde de réduction polarographique d'aldéhydes polycycliques aromatiques". Bulletin des Sociétés Chimiques Belges 78, nr 9-10 (2.09.2010): 465–69. http://dx.doi.org/10.1002/bscb.19690780904.
Pełny tekst źródłaMartin, R. H., i G. Van Binst. "Synthèses Dans Le Domaine Des Composés Polycycliques Aromatiques XXII. 1,3-Diméthyl-4,5-Méthylènephénanthrène (1,3-Diméthyl-4H-Cyclopenta[def]Phénanthrène)". Bulletin des Sociétés Chimiques Belges 70, nr 7-8 (1.09.2010): 355–85. http://dx.doi.org/10.1002/bscb.19610700704.
Pełny tekst źródłaGeerts, J. P., i R. H. Martin. "Synthèse Dans Le Domaine Des Composés Polycycliques Aromatiques. XXI. Applications de la réaction de Wittig a la Synthèse de 1, 2-Diarylèthylènes Symétriques et Asymétriques". Bulletin des Sociétés Chimiques Belges 69, nr 11-12 (1.09.2010): 563–69. http://dx.doi.org/10.1002/bscb.19600691105.
Pełny tekst źródłaDe Ridder, R., i R. H. Martin. "Synthèses dans le Domaine des Composés Polycycliques Aromatiques. XVIII - 1,2,3,4,5,6-Tribenzofluorène (Ou Tribenzo [a,c,g] Flourène) Et 1,2,3,4,5,6,7,8-Tétrabenzofluoréne (ou Tétrabenzo [a,c,g,i] Flourène)". Bulletin des Sociétés Chimiques Belges 69, nr 11-12 (1.09.2010): 534–50. http://dx.doi.org/10.1002/bscb.19600691102.
Pełny tekst źródłaFanget, B., O. Devos i E. Naffrechoux. "Rôle des acides humiques dans le transfert du pyrène entre les minéraux argileux et l'eau". Revue des sciences de l'eau 15 (12.04.2005): 95–108. http://dx.doi.org/10.7202/705488ar.
Pełny tekst źródłaMatzner, M., M. S. Glazer-Tarasiejska i R. H. Martin. "Synthèses Dans Le Domaine Des Composés Polycycliques Aromatiques. XIX. Transposition de Wagner-Meerwein : nouvelles synthèses du 1,2,3,4,5,6-Tribenzofluorène (ou Tribenzo [a,c,g] Fluorène) et du 1,2,3,4,5,6,7,8-Tétrabenzofluorène (ou Tétrabenzo [a, c, g",. Bulletin des Sociétés Chimiques Belges 69, nr 11-12 (1.09.2010): 551–57. http://dx.doi.org/10.1002/bscb.19600691103.
Pełny tekst źródłaKlopman, G., i J. Nasielski. "Propriétés Physico-Chimiques de Composés A Caractère Aromatique II. Application de la Méthode des Orbitales Moléculaires Aux Spectres électroniques et a la Réduction Polarographique D'Esters Dérivés D'Acides Aromatiques Polycycliques Alternants et non Alt". Bulletin des Sociétés Chimiques Belges 70, nr 9-10 (1.09.2010): 490–510. http://dx.doi.org/10.1002/bscb.19610700904.
Pełny tekst źródłaRozprawy doktorskie na temat "Composés aromatiques polycycliques – Environnement"
Devier, Marie-Hélène. "Étude intégrée sur l'impact des différentes classes de contaminants (composés organostanniques, métaux, HAP, PCB) sur les moules : bioaccumulation et réponses biochimiques". Bordeaux 1, 2003. http://www.theses.fr/2003BOR12262.
Pełny tekst źródłaAmer, Ahmed Khalil Souliman. "L'influence des interactions physico-chimiques des Hydrocarbures Aromatiques Polycycliques (HAP) avec les constituants des sols sur leur mobilité et leur transfert dans l'environnement". Nancy 1, 2006. http://www.theses.fr/2006NAN10010.
Pełny tekst źródłaThe study of Polycyclic Aromatic Hydrocarbon (PAHs) mobility and transfers is of high interest for the risk assessment of contaminated soils and sites. Emitted from different sources, PAHs are mainly produced through human activities. But they can be classified in three main categories : biogenic PAHs, petrogenic PAHs, and pyrogenic PAHs. Due to their toxicological hazard, PAHs sometimes represent a risk for human health. There are many methods available in the litterature for predicting the water solubility of PAHs or their partitionning between water and organic substances. Some detailed studies in pharmaceutical sciences allow now to better estimate their thermodynamical properties from molecular structure data. Nevertheless, validated applications of theses results are limited to relatively simple systems compared to industrial soils ones. We have studied the PAHs mobility by solubilization and their transfer by diffusion in materials potentially contaminated by coal tar in the presence of diverse organic substances in the aqueous phase (toluene, phenol or AH) or in non aqueous phase liquids (tars ou natural H. S). We have developed a specific approach for PAHs in complex matrices. This development reaches the statement of a conceptual model in which thermodynamical equilibrium constraints between phases can be quantified and described with numerical models. An experimental approach targetted on the case of phenanthrene gives results which allow the discussion of model application for a better understanding of phenomena driving PAHs solubilization and diffusive transfer
Boulangé, Marine. "Mobilisation et transfert des composés aromatiques polycycliques (HAP et CAP polaires) dans les sols historiquement contaminés par des goudrons de houille : expérimentations au laboratoire et in situ". Electronic Thesis or Diss., Université de Lorraine, 2017. http://www.theses.fr/2017LORR0138.
Pełny tekst źródłaIn industrial countries, many sites have been diagnosed polluted by polycyclic aromatic hydrocarbons (PAHs). In addition to the regulated 16 US-EPA PAHs, other polycyclic aromatic compounds (PACs), especially polar PACs (oxygenated and nitrogenated) occur. They come from the same sources as PAHs but they may also be formed due to PAH degradation under biotic or abiotic processes (natural attenuation or remediation treatment). These PACs, more polar than the 16 US-EPA PAHs, are more soluble in water, resulting in a potentially increased mobility in soils and a higher risk for Humans and Environment. Thus, there is a need to increase our knowledge on polar PAC mobility in soils and their transfer to the groundwater. Combining laboratory and in situ works, this project aimed at identifying the mechanisms involved in the release and transfer mode of polar PACs in soils compared to the 16 US-EPA PAHs. Our works confirm a preferential release of polar PACs compared with PAHs. Polar PACs and low molecular weight PAHs (LMW-PAHs) are mainly released according to a coal tar dissolution mechanism (Raoult law). While satisfactory predictions are obtained for polar PAC release when the pollution is “fresh”, availability is a major parameter that needs to be taken into account for historical contamination impacted by aging. Indeed, whatever the leaching conditions (static-batch and dynamic-column), the PAC concentration in water is highly dependent on the availability level of the pollution. In addition, for a high level of PAC availability, the other parameters studied in the project (ionic strength and temperature) have a limited impact on the PAC release whereas at low availability level, these parameters can show a greater influence. Moreover, the PAC release in association with colloids seems limited for polar PACs but dominating for high molecular weight PAHs (HMW-PAHs), especially under low ionic strength conditions. Leaching tests performed on a lysimeter column (2 m3) filled with a contaminated soil in the 2/3 upper part and with a non-contaminated soil in the 1/3 lower part, both soils being sampled on a former coking plant site, confirm a release of PACs according to a coal tar dissolution mechanism although PAC concentrations are widely lower compared to those predicted by the Raoult law. Whatever the experimental scale studied (batch, laboratory or lysimeter column), a clear influence of the biological compartment has been evidenced. Once the PAHs and polar PACs are dissolved into water, they are highly biodegraded. No by-products - especially oxygenated PACs - were detected
Mazeas, Olivier. "Evaluation de l'exposition des organismes aux hydrocarbures aromatiques polycycliques (HAP) dans le milieu marin par le dosage des métabolites de HAP". Bordeaux 1, 2004. http://www.theses.fr/2004BOR12945.
Pełny tekst źródłaIn order to study the health of a marine ecosystem and the toxic potential of a contamination such as the one related to the presence of polycyclic aromatic hydrocarbons (PAHs), it is necessary, in addition to the determination of environmental contamination levels, to have access to the fraction aquatic organisms have been exposed to and to identify the toxic effects of the contaminants (toxic effects which can be related to biotransformation phenomena of contaminants). The exposure and contamination of aquatic organisms to PAHs have generally been evaluated by the quantification of bioaccumulated PAHs in tissues. However, this approach is open to criticism when taking into account the biotransformation capabilities of organisms such as vertebrates and the toxic properties of biotransformation products. In this way, the aim of this study is to evaluate the potential of PAH metabolites in order to study the exposure and contamination of organisms to PAHs in the marine environment. An analytical technique to quantify PAH metabolites in biological matrices has first been set up. Then, this analytical tool has been applied to the study of fish exposures to individual PAHs and to different petroleum products in controlled conditions which has allowed to get a better understanding of PAH biotransformation phenomena. Finally, field studies have been led, notably to study the Erika oil spill and the contamination of the Seine bay, demonstrating the applicability of the quantification of PAH metabolites to evaluate the exposure and the contamination of organisms to PAHs in natural environment and for pollution events of different nature
Dumas, Anne-Sophie. "Mécanismes moléculaires de tolérance des plantes aux xénobiotiques : application à la phytoremédiation des hydrocarbures aromatiques polycycliques (HAPs)". Phd thesis, Université Rennes 1, 2013. http://tel.archives-ouvertes.fr/tel-01021385.
Pełny tekst źródłaVignet, Caroline. "Altération de la physiologie des poissons exposés à des hydrocarbures aromatiques polycycliques (HAP) : comportement et reproduction". Thesis, La Rochelle, 2014. http://www.theses.fr/2014LAROS003/document.
Pełny tekst źródłaPolycyclic aromatic hydrocarbons (PAHs) are persistent organic pollutants (POPs) which are found in complex mixtures in the environment including aquatic ecosystems. They adsorb on particles, accumulate in sediment and in the first link of the food web. The aim of this study was to measure long term effects of PAHs contamination on a vertebrate model : the zebrafish. In a first study, embryos were exposed on natural sediment spiked with 3 individual PAH (phenanthrene, pyrene and benzo[a]pyrene) during the first four days of their development. In a second study, to evaluate the consequences of long-term chronic exposure to PAHs, zebrafish were exposed, from their first meal (5 days post fertilisation) until they became reproducing adults, to diets spiked with three PAHs fractions at environmentally relevant concentrations (0.3X, 1X and 3X; with the 1X concentration being in the range of 4.6-6.7 μg.g-1 for total quantified PAHs). The fractions used were representative of PAHs of pyrolytic (PY) origin or of two different oils of differing compositions (a heavy fuel (HO) and a light crude oil (LO)). Long term effects on growth, survival, reproduction and behavior were evaluated at different ages. Effects were observed at molecule, tissue, organ and individual scales. In general, for contaminated fish, growth was reduced, larval survival decreased in HO, and reproduction was strongly impaired at hormonal, tissue and phenotypic levels, and behavioral responses were lethargic or hyperactive depending on fractions and stages. Sediment exposure still revealed visible effects when fish were 6 month old. These results hereby showed significant late effects, especially in behavioral responses after an early exposure, including in larvae issued from contaminated fish. In spiked diets contaminated fish, we observed a gradation of effects. Combining all functions, we established of hierarchy in toxicity in the studied fractions: PY < LO ≈ HO. Finally, our results gathered at a multiscale from molecule, to tissue and individuals, indicate that PAH mixtures of different compositions, representative of situations encountered in the wild, can promote lethal and sublethal effects which are likely to be detrimental for fish survival and recruitment into future generations
Rabodonirina, Rondro Suzanah. "Contaminants organiques (HAP, Me-HAP, PCB) en environnement : étude de milieu naturel et de faisabilité de bioremédiation". Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10170/document.
Pełny tekst źródłaThe industrial revolution, technological change, population growth and urbanization have affected not only the economy and politics all around the world but also the environment. Various types of pollutants are generated and introduced permanently into the environment through industrial, agricultural and/or municipal discharges. These pollutants include the persistent organic pollutants or POPs which can develop dangerous effects to human health and the ecosystem. In addition, they are reported detected in all the environmental components including the atmosphere, water resources, soils, sediments and biota. Since the discovery of the insecticides DDT in human tissue, the fate and behavior of these type of hazardous pollutants have caught the interest of researchers. In this work, our target contaminants are polycyclic aromatic hydrocarbons (PAHs) and their methylated derivatives (Me-PAHs) and polychlorinated biphenyls (PCBs). The first part of our study investigated the contamination level of theses POPs in the different compartments of the environment (water, suspended solid matters, sediment, soil). Their occurrence and distribution were evaluated in the dissolved, particulate and sedimentary phases of the freshwater system of the Scheldt basin in the border area between France and Belgium in FRB-RegionNPC "BIOFOZI" program. An ecotoxicological risk assessment was also carried out. The same investigations were also conducted in soil samples originating from northern France and from Madagascar. The second part of the present work concern a feasibility study of PAHs-contaminated soil bio-treatment (bioremediation)
Benhabib, Karim. "Transport dans les sols de cokerie de HAP issus de particules de goudron de houille". Vandoeuvre-les-Nancy, INPL, 2005. http://www.theses.fr/2005INPL024N.
Pełny tekst źródłaCoke production processes caused the incorporation of coal tars (NAPL or particle) into soils, these coal tars contain high amount of PAH. The aim of the present work was the investigation of the dynamics of the source term, nainely coal tar particles, as weIl as the transport of PAH through aged contaminated soils. Ln this goal, soil and coal tar samples were collected from brown field of an ancient coking plant. They were characterised by the analytical techniques of organic geochemistry (GC-MS, IR microspectroscopy). PAH transfer from coal tar particles into water was investigated by mean of closed loop laboratory column experiments. Results were interpreted by an equilibrium partitioning model and a mass transfer model. These models enabled us to compute a partitioning constant as weIl as effective diffusivities at various particle sizes and temperatures. PAH release and transport through contaminated soil was studied by laboratory column experiments, followed by phase separation of the collected fractions (ultrafiltration and ultracentrifugation). This method enabled us to show that PAH concentrations in the aqueous phase were most often higher than their aqueous solubility, and that the transport of a major fraction was facilitated by colloids and/or high molecular weight macromolecules. The com- parison between the data obtained by organic analysis showed analogy between the PAH spectra in the different phases. FinaIly, the potentiality of reactive tracers to measure global parameters (organic carbon fraction foc and sorbant organic phase/water interface are a) was tested. Conversely to phenol, toluene tracing enabled us to measure foc whereas sodium octylbenzenesulfonate did not allow the measurement of the interface area. As a conclusion, this research brought new results on the source term dynamics and PAH transport through contaminated soil from a former coking plant in aqueous and colloidal phases, that are the basis of a conceptual model and a first point to upscaling at the pilot and field scales
Boulangé, Marine. "Mobilisation et transfert des composés aromatiques polycycliques (HAP et CAP polaires) dans les sols historiquement contaminés par des goudrons de houille : expérimentations au laboratoire et in situ". Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0138/document.
Pełny tekst źródłaIn industrial countries, many sites have been diagnosed polluted by polycyclic aromatic hydrocarbons (PAHs). In addition to the regulated 16 US-EPA PAHs, other polycyclic aromatic compounds (PACs), especially polar PACs (oxygenated and nitrogenated) occur. They come from the same sources as PAHs but they may also be formed due to PAH degradation under biotic or abiotic processes (natural attenuation or remediation treatment). These PACs, more polar than the 16 US-EPA PAHs, are more soluble in water, resulting in a potentially increased mobility in soils and a higher risk for Humans and Environment. Thus, there is a need to increase our knowledge on polar PAC mobility in soils and their transfer to the groundwater. Combining laboratory and in situ works, this project aimed at identifying the mechanisms involved in the release and transfer mode of polar PACs in soils compared to the 16 US-EPA PAHs. Our works confirm a preferential release of polar PACs compared with PAHs. Polar PACs and low molecular weight PAHs (LMW-PAHs) are mainly released according to a coal tar dissolution mechanism (Raoult law). While satisfactory predictions are obtained for polar PAC release when the pollution is “fresh”, availability is a major parameter that needs to be taken into account for historical contamination impacted by aging. Indeed, whatever the leaching conditions (static-batch and dynamic-column), the PAC concentration in water is highly dependent on the availability level of the pollution. In addition, for a high level of PAC availability, the other parameters studied in the project (ionic strength and temperature) have a limited impact on the PAC release whereas at low availability level, these parameters can show a greater influence. Moreover, the PAC release in association with colloids seems limited for polar PACs but dominating for high molecular weight PAHs (HMW-PAHs), especially under low ionic strength conditions. Leaching tests performed on a lysimeter column (2 m3) filled with a contaminated soil in the 2/3 upper part and with a non-contaminated soil in the 1/3 lower part, both soils being sampled on a former coking plant site, confirm a release of PACs according to a coal tar dissolution mechanism although PAC concentrations are widely lower compared to those predicted by the Raoult law. Whatever the experimental scale studied (batch, laboratory or lysimeter column), a clear influence of the biological compartment has been evidenced. Once the PAHs and polar PACs are dissolved into water, they are highly biodegraded. No by-products - especially oxygenated PACs - were detected
Laurent, Fabien. "Impact de l'oxydation chimique et de la refonctionnalisation sur des paramètres physico-chimiques et biologiques de terres contaminées au HAP". Electronic Thesis or Diss., Université de Lorraine, 2012. http://www.theses.fr/2012LORR0033.
Pełny tekst źródłaIn order to clean up polycyclic aromatic hydrocarbon (PAH) contaminated soils, various techniques have been developed during the last decades, but their impact on soil functions was rarely considered. The objective of this study was to assess the impact of chemical oxidation treatments on different physico-chemical and biological parameters of PAH contaminated soil and to propose solutions to improve the biological functioning of oxidized soil. Various laboratory and field experiments have shown that the efficiency of chemical oxidation reactions (Fenton reaction and activated persulfate) on PAH concentrations depended on pollutant availability and soil physico-chemical properties. Besides, intense acidification processes have been observed on uncarbonated soil with a strong impact on soil physico-chemical and biological parameters. Moreover, this alteration was higher with activated persulfate treatment, leading to the loss of trace metals in water percolation. In the strongly acidified soil, the input of materials, suitable for pH increase, resulted in the restoration of biological activities and soil capacity to support vegetation. The association of chemical oxidation treatment and restoration techniques could present a good mean for soil rehabilitation. Finally, an index, which aimed to represent soil conditions based on the weight given to different parameters, was proposed and was used to evaluate changes induced by oxidation treatments and restoration techniques
Książki na temat "Composés aromatiques polycycliques – Environnement"
Tuan, Vo-Dinh, red. Chemical analysis of polycyclic aromatic compounds. New York: Wiley, 1989.
Znajdź pełny tekst źródłaProgramme, United Nations Environment, International Labour Organisation, World Health Organization i Inter-Organization Programme for the Sound Management of Chemicals., red. 1,1-dichloroethene (vinylidene chloride). Geneva: World Health Organization, 2003.
Znajdź pełny tekst źródłaE, Hinchee Robert, Semprini Lewis i Ong Say Kee, red. Bioremediation of chlorinated and polycyclic aromatic hydrocarbon compounds. Boca Raton, Fla: Lewis Publishers, 1994.
Znajdź pełny tekst źródłaCzęści książek na temat "Composés aromatiques polycycliques – Environnement"
Leyval, Corinne. "Chapitre 26. Pollutions organiques agricoles, urbaines ou industrielles : cas des hydrocarbures aromatiques polycycliques". W Sols et environnement, 620–36. Dunod, 2011. http://dx.doi.org/10.3917/dunod.girar.2011.01.0620.
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