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Academic literature on the topic 'Composés polluants'
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Journal articles on the topic "Composés polluants"
CHATELET, A., A. FOURNIER, S. JURJANZ, S. LERCH, H. TOUSSAINT, M. DELANNOY, C. FEIDT, and G. RYCHEN. "L’épandage de matières fertilisantes d’origine résiduaire sur les prairies comporte-t-il des risques en termes de transfert de polluants organiques et inorganiques vers la chaîne alimentaire ?" INRA Productions Animales 28, no. 5 (January 14, 2020): 383–98. http://dx.doi.org/10.20870/productions-animales.2015.28.5.3041.
Full textRYCHEN, G., C. DUCOULOMBIER-CREPINEAU, N. GROVA, S. JURJANZ, and C. FEIDT. "Modalités et risques de transfert des polluants organiques persistants vers le lait." INRAE Productions Animales 18, no. 5 (December 18, 2005): 355–66. http://dx.doi.org/10.20870/productions-animales.2005.18.5.3538.
Full textGeorge, Christian. "La photocatalyse pour purifier l'air ambiant - mythe ou réalité ?" La Météorologie, no. 111 (2020): 041. http://dx.doi.org/10.37053/lameteorologie-2020-0091.
Full textMarchand, M. "La contamination des eaux continentales par les micropolluants organiques." Revue des sciences de l'eau 2, no. 2 (April 12, 2005): 229–64. http://dx.doi.org/10.7202/705030ar.
Full textSeyhi, Brahima, Patrick Droguil, Géraldo Buelna, Jean-François Blais, and Marc Heran. "État actuel des connaissances des procédés de bioréacteur à membrane pour le traitement et la réutilisation des eaux usées industrielles et urbaines." Revue des sciences de l’eau 24, no. 3 (November 28, 2011): 283–310. http://dx.doi.org/10.7202/1006478ar.
Full textCouillard, Denis, and Yvon Grenier. "Évaluation des risques environnementaux concernant la présence de composés synthétiques organiques toxiques dans les boues résiduaires municipales lors de leur valorisation (revue de littérature)." Water Quality Research Journal 25, no. 1 (February 1, 1990): 109–30. http://dx.doi.org/10.2166/wqrj.1990.007.
Full textGigon, F. "Focus sur l’utilisation des huiles essentielles (HE) en diffusion aérienne. Quoi de nouveau sur la tolérance des HE dans l’air ambiant ?" Phytothérapie 17, no. 3 (April 18, 2019): 116–19. http://dx.doi.org/10.3166/phyto-2019-0130.
Full textChakchouk, M., E. Puech-Costes, J. N. Foussard, and H. Debellefontaine. "Oxydation humide des polluants organiques par l'oxygène moléculaire activée par le couple H²O²/Fe²+: Optimisation des paramètres opératoires." Revue des sciences de l'eau 7, no. 4 (April 12, 2005): 405–25. http://dx.doi.org/10.7202/705209ar.
Full textFanget, B., O. Devos, and 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 (April 12, 2005): 95–108. http://dx.doi.org/10.7202/705488ar.
Full textGermain, A., and C. Langlois. "Contamination des eaux et des sédiments en suspension du fleuve Saint-Laurent par les pesticides organochlores, les biphényles polychlores et d’autres contaminants organiques prioritaires." Water Quality Research Journal 23, no. 4 (November 1, 1988): 602–14. http://dx.doi.org/10.2166/wqrj.1988.047.
Full textDissertations / Theses on the topic "Composés polluants"
Taralunga, Mihaela. "Oxydation catalytique de composés aromatiques chlorés représentatifs de polluants organiques persistants (POP)." Poitiers, 2005. http://www.theses.fr/2005POIT2295.
Full textThe subject of this thesis regards the environmental protection and atmospheric depollution, more particularly the elimination by catalytic way of the Persistent Organic Pollutants (POP) whose most famous representatives are the dioxins and furans. Model molecules such as chlorobenzene, 1,2-dichlorobenzene and benzofuran were used during this study. Among catalysts tested Pt/Faujasite prove to be active and selective catalysts at low temperature (T ~ 300- 350°C) for the catalytic oxidation of chlorobenzenes, only or in mixture with the benzofuran. This activity comes partly from the zeolite which is able to oxidize the chlorinated aromatic compounds. The addition of platinum increases the activity of zeolite but leads to the formation of the polychlorinated undesirable compounds. Nevertheless, the production of these by-products can be limited or removed while working in the presence of benzofuran
Marie-Rose, Stéphane Charlery. "Utilisation des zéolithes comme filtre catalytique des polluants organiques persistants." Poitiers, 2009. http://www.theses.fr/2009POIT2331.
Full textThis study deals with the catalytic oxidation of 1-methylnaphtalene (1. MN) a modele molecule of polycyclics aromatics hydrocarbons (PAHs) over USHY faujasite zeolite doped or not with platinium. The aim of this study was the use of the USHY zeolite as catalytic filter for the destruction of persistant organic pollutants (POPs) fromm incineration processes. In a first time we evaluated the potential of the USHY zeolite for the destruction of 1-MN alone into carbon dioxide and water, then in the presence of 1. 2-dichlorobenzene, a precursor of dioxin and finally in the presence of a complex mixture of HCI, NO, SO2 and NH3
Sawka, Corinne. "Contamination des logements français en composés organiques semi-volatils en phase particulaire." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1B033/document.
Full textSemi-volatile organic compounds (SVOCs) refer to a broad spectrum of molecules from different chemical families that have numerous properties. They can be used as pesticides, plasticizers, flame retardants, surfactants, lubricants, etc. Consequently, they are introduced in numerous applications in buildings or used daily by the entire population. Once emitted through evaporation or abrasion in the indoor environment or introduced from the outdoors, their chemical or biological degradation is limited, and they persist indoors. This persistence also explains why some SVOCs that were banned a few years ago are still detected in the air and dust inside buildings. In indoor environments, SVOCs are divided between the gas phase, airborne particles, and dust settled on floors and surfaces. SVOCs are of concern due to their established or suspected health effects and their widespread exposure through different environmental media and pathways. The objective of the thesis was to study the concentrations of 66 SVOCs on airborne particles (PM10) and 48 SVOCs in settled dust in two samples of dwellings randomly selected across France. PM10 were sampled during the nationwide housing survey carried out by the French Observatory of indoor air quality in 2003-2005. The dust samples were collected from vacuum cleaner bags during a nationwide survey carried out in French dwellings where at least one child aged 6 months to 6 years lived (2008-2009). The SVOCs to be analyzed had prior been selected using a ranking method based on their toxicity and indoor concentrations. The data analysis focused in particular on the identification of French specificities in terms of detected molecules and measured concentrations. It highlighted some determinants of exposure, e.g., influence of particle size, type of dust collected, dust bioaccessibility, which are not always considered and limit the comparability of results. The measured concentrations were also used to assess the health ranking implemented prior to this work and to confirm its relevance. The concentrations measured both in the air and in settled dust were compared to study the similarities in terms of concentrations and SVOC mixtures. Finally, the exposure doses to SVOCs were calculated for both a child and an adult to assess the respective contributions of inhalation and ingestion to these compounds in particulate phase in dwellings
Matta, Roger. "Oxydation chimique in situ de polluants organiques : application aux nitro-aromatiques et aux organochlorés." Aix-Marseille 1, 2009. http://www.theses.fr/2009AIX11010.
Full textThis memory deals with the chemical oxidation of organic pollutants within the general framework of soil remediation. The chemical oxidation of three organic pollutants belonging to two different families (organochlorines and nitroaromatics) by: hydrogen peroxide (Fenton’s reaction and modified Fenton), persulfate (activated or not) and permanganate were studied. The oxidation of PCP, TCE and TNT by hydrogen peroxide and iron containing minerals (heterogeneous Fenton) proved to be applicable tat pH 7 and the activity of iron oxides (in particular magnetite) is preserved when incorporated into mineral assemblages with silicates or clay. These results indicate that the presence of the soil endogenous iron could be exploited for ISCO treatment process. The yields of oxidation with a pH close to neutrality increase in the presence of iron chelating agents like EDTA and CMCD. Persulfate was able to oxidize the PCP and the TCE without any chemical activation whereas it did not show any effect on the transformation of TNT. The iron minerals (goethite and magnetite) did not show any reactivity with respect to persulfate. However, the effectiveness of oxidation was increased by the activation of persulfate with EDTA iron chelates. Permanganate was able to oxidize PCP with a higher rate than that of TCE. However the effectiveness of the oxidation of TNT is much lower. A degradation pathway of PCP was proposed for the first time. The results obtained in column confirmed those obtained in batch and showed the feasibility of chemical oxidation under conditions similar to those found at field. For further research concerning the application of ISCO, pemanganate is the oxidant of choice for the organochlorine compounds and heterogeneous Fenton for the nitroaromatics
Farines, Vincent. "Mise en oeuvre d'un procédé d'ozonation catalytique pour l'élimination des polluants organiques de l'eau." Toulouse, INPT, 2001. http://www.theses.fr/2001INPT032G.
Full textTogbe, Casimir. "Etude cinétique de l'oxydation de constituants de biocarburants et composés modèles : formation de polluants." Phd thesis, Université d'Orléans, 2010. http://tel.archives-ouvertes.fr/tel-00585394.
Full textDavid, Maude. "Adaptation bactérienne aux composés chlorés." Phd thesis, Ecole Centrale de Lyon, 2009. http://tel.archives-ouvertes.fr/tel-00795137.
Full textLegay, Cécile. "Ozonation catalytique des polluants organiques pour le traitement de l'eau." Toulouse, INPT, 1998. http://www.theses.fr/1998INPT100G.
Full textPengloan, Gaëlle. "Etude cinétique de l'oxydation de composés aromatiques : application à la formation de polluants dans les moteurs automobiles." Orléans, 2001. http://www.theses.fr/2001ORLE2077.
Full textGarnier, Jérémie. "Sources et dynamique du chrome dans les sols ultramafiques de Niquelandia, Brésil." Paris 11, 2008. http://www.theses.fr/2008PA112334.
Full textChromium availability and mobility were studied on four soils developed on the complex ultramafic of Niquelândia (Goias state, Brazil), using laboratories and in situ experiments. Total chromium content is particularly high, and its partitioning evolves according to landscape position and depth. Chromium is mainly associated to well crystallized iron oxides, forming the soil matrix. However, extractable chromium is important, and mainly under the toxic form (CrVI). It reached 1,000 mg kg-1 (more than 10 % of total chromium), those contents are ten times higher than those observed in New Caledonia. Results indicate that Cr (VI) in solution is released from the fine fraction composed by iron-oxides, which consequently control the Cr(VI) availability and mobility. Isotopic exchange kinetics of chromate has confirmed the exchange between the bearing phases and solution. They also highlighted a rapid exchange between the Cr-bearing phases and the solution, and the important Cr(VI) buffer capacity of these soils. They also suggest that the chromate is slightly absorbed on iron-oxides. The chromate concentrations in soil solutions are important, higher than the usual hazardous contents. The chromate labibily is very heterogeneous with the locality at a centimetric and metric scale. The soil solution and surface water study on the catchment area has highlighted an important Cr(VI) mobility at soil and complex scale, suggesting an impact on organisms of the complex and surrounding ecosystems. Moreover, the soil solutions analysis show the low nutrients content, the imbalance Ca:Mg and the metals (Cr, Ni) availability, often considered responsible to the low fertility of those soils and the specificity of ultramafic ecosystems. Finally, results suggest that the Cr(VI) availability of those results from their anionic exchange capacity and not from their capacity to oxidize Cr (III)
Books on the topic "Composés polluants"
Canada, Canada Environnement. Plan national de mise en oeuvre du Canada au titre de la Convention de Stockholm sur les polluants organiques persistants. Ottawa, Ont: Environnement Canada, 2006.
Find full textSarah, Kalhok, Northern Contaminants Program (Canada), and Canada. Dept. of Indian Affairs and Northern Development., eds. Synopsis of research conducted under the 2000/2001 Northern Contaminants Program. Ottawa: Minister of Indian Affairs and Northern Development, 2001.
Find full textT, Fenge, Downie David Leonard, and Inuit Circumpolar Conference, eds. Northern lights against POPs: Combatting threats in the Arctic. Montreal: Published for the Inuit Circumpolar Conference Canada by McGill-Queen's University Press, 2003.
Find full text(Editor), David Leonard Downie, and Terry Fenge (Editor), eds. Northern Lights Against Pops: Toxic Threats in the Arctic. McGill-Queen's University Press, 2003.
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