Letteratura scientifica selezionata sul tema "Extraction des contaminants volatils des sols"
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Articoli di riviste sul tema "Extraction des contaminants volatils des sols"
Zhang, Shuangxia, Zhixiang Liu, Ruhua Sun, Weijun Liu e Yongjun Chen. "Orthogonal Experimental Study on Remediation of Ethylbenzene Contaminated Soil by SVE". Sustainability 15, n. 2 (8 gennaio 2023): 1168. http://dx.doi.org/10.3390/su15021168.
Testo completoDuchesne, Josée, e Guy Mercier. "Établissement d'une méthode de caractérisation minéralogique décrivant les sols contaminés par le plomb". Canadian Geotechnical Journal 40, n. 4 (1 agosto 2003): 731–41. http://dx.doi.org/10.1139/t03-029.
Testo completoDeptuła, A., J. Chwastowska, Wiesława Łada, T. Olczak, D. Wawszczak, E. Sterlinska, B. Sartowska e K. C. Goretta. "Sol-Gel-Derived Hydroxyapatite and its Application to Sorption of Heavy Metals". Advances in Science and Technology 45 (ottobre 2006): 2198–203. http://dx.doi.org/10.4028/www.scientific.net/ast.45.2198.
Testo completoTesi sul tema "Extraction des contaminants volatils des sols"
Boudouch, Otmane. "Étude de la dépollution des sols par extraction sous pression réduite : application au traitement des COV". Lyon, INSA, 2009. http://theses.insa-lyon.fr/publication/2009ISAL0107/these.pdf.
Testo completoSoil Vapour Extraction (SVE), which includes gas extraction and/or gas injection, is the primary method used to remove volatile organic compounds (VOCs) from unsaturated subsurface porous media. The widespread use of SVE is due to its above ground simplicity of operation and proven ability to remove contaminant mass inexpensively relative to competing technologies. The objectives of this study may be summarized as follow: - Characterisation of the more appropriate method to determine horizontal and vertical soil air permeability components. - Study of the evolution of soil air permeability as a function of liquids saturation degree. - Verification of the validity or not of the use of unidirectional columns in extraction systems design based on attainment of a critical pore-gas velocity. To accomplish these objectives, a laboratory pilot was designed and realised, a series of experimental tests was conducted and literature models have been used. Results showed that the more appropriate method to determine soil air permeability is the one which involve stationary state in an open soil and that results obtained with a unidirectional column related to critical air velocity can not be extrapolated to field scale as it's currently done
Dutheil, Camille Faure Lyliane Carré Jean. "Dépollution des sols par extraction sous pression réduite étude de quelques paramètres /". Villeurbanne : Doc'INSA, 2004. http://docinsa.insa-lyon.fr/these/pont.php?id=dutheil.
Testo completoDutheil, Camille. "Dépollution des sols par extraction sous pression réduite : étude de quelques paramètres". Lyon, INSA, 2003. http://theses.insa-lyon.fr/publication/2003ISAL0016/these.pdf.
Testo completoSoil vapour extraction is a treatment process for soils polluted by volatil organic compounds. Its principle relies on the circulation of gaseous flow in soil by the application of a depression of some hundreds millibars. A parametrical study has been led on a soil artificially polluted by trichlorethene. It shows that the gaseous flow rate has a slight influence on pollutants extraction yield. This is due to rate limited mass transfer processes. Soil moisture plays a negative role on treatment efficiency because of the reduction of the porosity available for the gas circulation. Tests have been performed on a soil polluted by a complex mixture of organic pollutants to elaborate a methodology of technical feasibility assessment. This methodology aims at identifying and limiting risks of site rehabilitation failure. Tests results show that soil vapour extraction was inadequat to treat the soil tested in this study because of the strong affinity between a dense organic phase (grease) and chlorinated solvents
Brusturean, Gabriela Alina. "Dépollution des sols par venting et extraction sous pression réduite : étude expérimentale, modélisation et simulation numérique". Lyon, INSA, 2004. http://www.theses.fr/2004ISAL0075.
Testo completoThe work of thesis relates to experimental study, modelling and numerical simulation of depollution by venting and SVE of the soils polluted by light hydrocarbons. The first part contains a bibliographical study of pollutants interaction with the soil, of industrial applications of these two techniques and of the modelling techniques used for the follow-up of depollution. The second part is made up of the presentation of the equipments and procedures used for the follow-up of depollution on laboratory pilots. The third part presents the results obtained on soils polluted by components of automobile fuel alone or in mixture with the variation of the operating conditions (gas flow, extraction pressure, ageing of pollution). The agreement between the experimental and modelling (quantified by the factors of agreement) is good, which will allow the use of the developed techniques of calculation for an optimisation of the depollution conditions
Sanches, Vivian Leme. "Remediação de solos da formação São Paulo contaminados por vapores de gasolina". Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/3/3147/tde-15092009-161203/.
Testo completoThis work aims to present and to discuss a case study of identification and emergency remediation of volatile organic compounds, occluded in a sand layer of the São Paulo Tertiary Formation, as a result of the leakage of fuel tanks of a service station. The adopted remediation technique was in situ soil vapor extraction (SVE) and offgas treatment for adsorption in activated carbon filters. Selection, design, commissioning, operation and shutdown processes of SVE technology followed literature methodologies, which were adapted to local conditions. Remediation efficiency monitoring was based on the initial quantification of light total petroleum hydrocarbons in the subsoil, through gas chromatography and mass spectrometry techniques, and on measurement of the volatile concentrations and respective explosive contents in the field. The result of the laboratorial campaign presented strong indications that the local contamination proceeded from combustible gasoline and it indicated the occurrence of benzene in concentrations higher than the adopted reference. Field measurements showed fast decline of the volatile concentrations and explosive contents with the SVE technology operation, fact that indicated low occurrence of mass transfer limitations in the place. The fact that remediation goals were achieved with few air exchanges, parameter back-analyzed from geologicgeotechnical tests, contributed to reinforce such hypothesis. Thus, SVE technique can be considered efficient for volatile remediation and explosive risks reduction, for areas with characteristics similar to the studied one.
Libri sul tema "Extraction des contaminants volatils des sols"
T, Curtis James, a cura di. Soil vapor extraction technology. Park Ridge, N.J., U.S.A: Noyes Data Corp., 1991.
Cerca il testo completoCapitoli di libri sul tema "Extraction des contaminants volatils des sols"
Abriola, Linda M., e Kurt D. Pennell. "Persistence and Interphase Mass Transfer of Liquid Organic Contaminants in the Unsaturated Zone : Experimental Observations and Mathematical Modeling". In Vadose Zone Hydrology. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195109900.003.0012.
Testo completoAtti di convegni sul tema "Extraction des contaminants volatils des sols"
Amano, Ryo S., Jose Martinez Lucci, Krishna S. Guntur, M. Mahmun Hossain, M. Monzur Morshed, Matthew E. Dudley e Franklin Laib. "Experimental Study of Treating Volatile Organic Compounds". In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34579.
Testo completoAmano, Ryo S., Jose Martinez Lucci e Krishna S. Guntur. "Experimental and Computational Study of Vaporization of Volatile Organic Compounds". In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41086.
Testo completo