Relevant bibliographies by topics / Liquides denses en phase non aqueuse (DNAPL)

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Liquides denses en phase non aqueuse (DNAPL)'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Liquides denses en phase non aqueuse (DNAPL)"

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Valletti, Nadia, Marcello A. Budroni, Istvan Lagzi, Nadia Marchettini, Margarita Sanchez-Dominguez, and Federico Rossi. "Interfacial Mass Transfer in Trichloroethylene/Surfactants/ Water Systems: Implications for Remediation Strategies." Reactions 2, no. 3 (2021): 312–22. http://dx.doi.org/10.3390/reactions2030020.

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The fate of dense non-aqueous phase liquids (DNAPLs) in the environment and the consequential remediation problems have been intensively studied over the last 50 years. However, a scarce literature is present about the mass transfer at the DNAPL/water interface. In this paper, we present a fast method for the evaluation of the mass transfer performance of a surfactant that can easily be employed to support an effective choice for the so-called enhanced remediation strategies. We developed a lab-scale experimental system modelled by means of simple ordinary differential equations to calculate t
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Feo, Alessandra, Riccardo Pinardi, Andrea Artoni, and Fulvio Celico. "Three-Dimensional High-Precision Numerical Simulations of Free-Product DNAPL Extraction in Potential Emergency Scenarios: A Test Study in a PCE-Contaminated Alluvial Aquifer (Parma, Northern Italy)." Sustainability 15, no. 12 (2023): 9166. http://dx.doi.org/10.3390/su15129166.

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Chlorinated organic compounds are widespread aquifer contaminants. They are known to be dense non-aqueous phase liquids (DNAPLs). Therefore, they are denser than water and immiscible with other fluids. Their migration into the environment in variably saturated zones can cause severe damage. For this reason, optimizing those actions that minimize the negative impact of these compounds in the subsurface is essential. This paper presented a numerical model simulating the free-product DNAPL migration and extraction through a purpose-designed pumping well in a potential emergency scenario. The nume
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Adegbola, A. A., T. Adeyemo, Y. O. Yakub, and A. A. Adeleke. "Impact of Magnetic Fields on the Efficiency of Dense Non-Aqueous Phase Liquid Removal from Unsaturated Zones Using Steam Injection." Journal of Energy Research and Reviews 16, no. 9 (2024): 28–40. http://dx.doi.org/10.9734/jenrr/2024/v16i9370.

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Unsaturated zone is of great importance in providing water and nutrients that are vital to the biosphere and the main factor controlling water movement from the land surface to the aquifer. Contamination of unsaturated zone by Dense Non-Aqueous Phase Liquids (NAPLs) has becoming major threat to human environment as a result of increasing concern with industrialization. The use of steam injection for remediation of porous media which are contaminated by DNAPLs has not given the desire recovery efficiency, hence the need for improvement in recovery efficiency has been a subject of continuous stu
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Jha, Shibani, and M. S. Mohan Kumar. "Multiphase models for simulating hot and slightly miscible DNAPL (dense non-aqueous phase fluids) in a saturated rock fracture under deformation." Water Science and Technology 59, no. 4 (2009): 755–62. http://dx.doi.org/10.2166/wst.2009.023.

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In the present study a two dimensional model is first developed to show the behaviour of dense non-aqueous phase liquids (DNAPL) within a rough fracture. To consider the rough fracture, the fracture is imposed with variable apertures along its plane. It is found that DNAPL follows preferential pathways. In next part of the study the above model is further extended for non-isothermal DNAPL flow and DNAPL-water interphase mass transfer phenomenon. These two models are then coupled with joint deformation due to normal stresses. The primary focus of these models is specifically to elucidate the in
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Cheng, Zhou, Guoping Lu, Ming Wu, et al. "The Effects of Spill Pressure on the Migration and Remediation of Dense Non-Aqueous Phase Liquids in Homogeneous and Heterogeneous Aquifers." Sustainability 15, no. 17 (2023): 13072. http://dx.doi.org/10.3390/su151713072.

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The spill pressure of the contaminant source is an important factor affecting the amount, location, form, and behavior of the dense non-aqueous phase liquids (DNAPLs) that plume in a contaminated subsurface environment. In this study, perchloroethylene (PCE) infiltration, distribution and, remediation via a surfactant-enhanced aquifer remediation (SEAR) technique for a PCE spill event are simulated to evaluate the effects of the spill pressure of the contaminant source on the DNAPLs’ behavior in two-dimensional homogeneous and heterogeneous aquifers. Five scenarios with different spill pressur
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Iravani, Mohammad Ali, Jacques Deparis, Hossein Davarzani, Stéfan Colombano, Roger Guérin, and Alexis Maineult. "Complex Electrical Resistivity and Dielectric Permittivity Responses to Dense Non-aqueous Phase Liquids' Imbibition and Drainage in Porous Media: A Laboratory Study." Journal of Environmental and Engineering Geophysics 25, no. 4 (2020): 557–67. http://dx.doi.org/10.32389/jeeg20-050.

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The effective techniques for remediation of sites polluted by dense non-aqueous phase liquids (DNAPLs) remains a challenge. Among the various technical monitoring methods, there is an increasing interest in studying the geophysical characteristics of contaminated soils, as indicators of the progress in clean-up programs. This work sought to investigate the variation of the electrical complex resistivity and the relative permittivity by analyzing the results obtained from spectral induced polarization (SIP) and time domain reflectometry (TDR). Different series of measurements during drainage an
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ROSSABI, J. "Recent Advances in Characterization of Vadose Zone Dense Non-Aqueous Phase Liquids (DNAPL) in Heterogeneous Media." Environmental and Engineering Geoscience 9, no. 1 (2003): 25–36. http://dx.doi.org/10.2113/9.1.25.

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Chu, Haibo, and Wenxi Lu. "Adaptive Kriging surrogate model for the optimization design of a dense non-aqueous phase liquid-contaminated groundwater remediation process." Water Supply 15, no. 2 (2014): 263–70. http://dx.doi.org/10.2166/ws.2014.108.

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The optimization model needs to call the simulation model to calculate the response under different conditions for many times, and this is computationally expensive and time-consuming. To solve this problem, surrogate models can be used to yield insight into the functional relationship between the design variables and the responses, instead of simulation models in the optimization. In this paper, an integrated optimization method based on adaptive Kriging surrogate models was proposed and applied to the cost optimization of a surfactant enhanced aquifer remediation process for dense non-aqueou
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Yang, Jun, and Caijie Wei. "Study on the Fine Characterization of Spatial Distribution and Predictive Modeling of Remediation of Site Pollution." Water 16, no. 21 (2024): 3154. http://dx.doi.org/10.3390/w16213154.

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The present study focuses on a site contaminated with halogenated hydrocarbons, utilizing a detailed inventory of contamination data to achieve the precise characterization of groundwater pollution. Employing MOFLOW-2000 software, a groundwater flow model was established for the study area. In conjunction with MT3DMS, a predictive model was constructed to simulate and forecast the spatiotemporal distribution of contaminant migration and attenuation following site remediation. The simulation area was delineated based on geographical features, with the vertical simulation range of strata also de
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Huang, Wei Hsiang, Yih Terng Sheu, Po Jen Lien, Yu Sung Hsiao, and Chih Ming Kao. "Investigation and Remedial Approach Development for a TCE Spill Site: A Case Study." Advanced Materials Research 912-914 (April 2014): 1884–87. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.1884.

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A trichloroethene (TCE) plume has been discovered inside an industrial park located in Taiwan. The objectives of this study were to characterize the solvent spill site and prepare a corrective action plan (CAP) for site remediation. The following tasks have been performed under Taiwan Soil and Groundwater Remediation Act corrective action: (1) geophysical survey to verify the existence and fate of all potential contaminant sources in the vicinity of the avionics repair shop; (2) soil-gas survey and soil/groundwater analyses to delineate the lateral and vertical extent of contaminants in the su
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Dissertations / Theses on the topic "Liquides denses en phase non aqueuse (DNAPL)"

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Colombano, Stéfan. "Improvement of the recovery of heavy chlorinated organic compounds in saturated porous media by thermal and chemical enhancements : experimental and two-phase flow modeling approaches." Thesis, Paris Est, 2019. http://www.theses.fr/2019PESC2032.

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La pollution des eaux souterraines par des composés organochlorés constitue un problème majeur. En effet, ces polluants, particulièrement toxiques, dégradent durablement les sols et les eaux souterraines. Leur dispersion (par solubilisation et volatilisation) à partir des sources de pollution peut générer des panaches de contamination importants. La récupération de ces composés sous forme de produit pur (DNAPL) est principalement basée sur les techniques de pompage/traitement. Pour autant, cette technique est lente et ne permet pas de récupérer le DNAPL de manière efficace. Une quantité de DNA
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Steele, Adrian. "DNAPL migration in variable aperture fractures : the development of a site investigation tool to measure fracture apertures applicable to DNAPL migration in situ in the Dumfries Aquifer, southwest Scotland." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370003.

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Iravani, Mohammad Ali. "Monitoring the remediation of coal tar in contaminated soil using electro-geophysical methods." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS330.

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Au cours des deux dernières décennies, la dépollution et la surveillance des sites pollués sont devenus une question sociétale importante. Les techniques classiques de surveillance par piézomètres et piézairs ne suffisent pas pour suivre les changements caractéristiques dans le sous-sol de ces sites en raison de leur caractère ponctuel. Ainsi l’interprétation de données géophysiques acquises lors de la surveillance de tels sites est un outil pour la dépollution de leurs sols. Les propriétés géophysiques sont des paramètres clés dans la validation des méthodes de dépollution des sols contaminés
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Adams, Kortney A. (Kortney Ada) 1975. "Investigation into dense non-aqueous phase liquid (DNAPL) transport and remediation in vertical fractures." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/80645.

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Pang, Ti Wee. "DNAPL remediation of fractured rock evaluated via numerical simulation." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4151.

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Fractured rock formations represent a valuable source of groundwater and can be highly susceptible to contamination by dense, non-aqueous phase liquids (DNAPLs). The goal of this research is to evaluate the effectiveness of three accepted remediation technologies for addressing DNAPL contamination in fractured rock environments. The technologies under investigation in this study are chemical oxidation, bioremediation, and surfactant flushing. Numerical simulations were employed to examine the performance of each of these technologies at the field scale. The numerical model DNAPL3D-RX, a finite
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Hill, Katherine I. "DNAPL migration in single fractures : issues of scale, aperture variability and matrix diffusion." University of Western Australia. School of Environmental Systems Engineering, 2007. http://theses.library.uwa.edu.au/adt-WU2008.0003.

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[Truncated abstract] To date, many subsurface contaminant modelling studies have focused on increasing model complexity and measurement requirements to improve model accuracy and widen model application. However, due to the highly complex and heterogeneous nature of flow in the subsurface, the greater benefit in model development may lie in decreasing complexity by identifying key processes and parameters, simplifying the relationships that exist between them, and incorporating these relationships into simple models that recognise or quantify the inherent complexity and uncertainty. To address
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Li, Xuan. "In Situ Chemical Oxidation Schemes for the Remediation of Ground Water and Soils Contaminated by Chlorinated Solvents." Connect to this title online, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1023289254.

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Thesis (Ph. D.)--Ohio State University, 2002.<br>Title from first page of PDF file. Document formatted into pages; contains xv, 179 p.; also contains graphics (some col.). Includes abstract and vita. Advisor: Franklin W. Schwartz, Dept. of Geosciences. Includes bibliographical references (p. 172-179).
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Mwamba, Olivier. "Investigating the toxicity of Dense Non-aqueous Phase Liquids (DNAPL) in contaminated groundwater." Thesis, 2009. http://hdl.handle.net/10210/2698.

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M.Tech. Biomedical Technology<br>Previous studies have reported on the potential health risks associated with direct contact with chemicals (such as DNAPLs) via inhalation or drinking of contaminated groundwater. Dense Non-Aqueous Phase Liquids (DNAPLs) enter into groundwater through incorrect storage or disposal and pose risk to human health. Industrialization contributes considerably to contamination of ground water with waste disposal practices leading to the deposition of hazardous waste at geologically/hydro-geologically unsuitable locations. Many hazardous chemicals found their way into
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Robertson, Natasha. "Measuring total toxicity and genotoxic potential of ground-waterborne Dense Non-aqueous Phase Liquids (DNAPL)." Thesis, 2010. http://hdl.handle.net/10210/3120.

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M. Tech.<br>Background: Groundwater is essential for many human activities, especially as a source of drinking water. Contaminated groundwater threatens many valuable water resources which may have adverse human health consequences. Groundwater contamination often goes unnoticed as it occurs underground and it is often impossible to, and often very expensive to rehabilitate. Groundwater pollution originating from industrial sites is a general problem in many industrialized countries, but also in developing countries such as South Africa. Among the various types of groundwater contamination, DN
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Books on the topic "Liquides denses en phase non aqueuse (DNAPL)"

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Interstate Technology and Regulatory Cooperation Work Group. DNAPLs/Chemical Oxidation Work Team. Dense non-aqueous phase liquids (DNAPLs): Review of emerging characterization and remediation technologies. ITRC, 2000.

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Book chapters on the topic "Liquides denses en phase non aqueuse (DNAPL)"

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Su, Chunming, Robert W. Puls, Thomas A. Krug, et al. "Long-Term Performance Evaluation of Groundwater Chlorinated Solvents Remediation Using Nanoscale Emulsified Zerovalent Iron at a Superfund Site." In Waste Management. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1210-4.ch061.

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This chapter addresses a case study of long-term assessment of a field application of environmental nanotechnology. Dense Non-Aqueous Phase Liquid (DNAPL) contaminants such as Tetrachloroethene (PCE) and Trichloroethene (TCE) are a type of recalcitrant compounds commonly found at contaminated sites. Recent research has focused on their remediation using environmental nanotechnology in which nanomaterials such as nanoscale Emulsified Zerovalent Iron (EZVI) are added to the subsurface environment to enhance contaminant degradation. Such nanoremediation approach may be mostly applicable to the so
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Conference papers on the topic "Liquides denses en phase non aqueuse (DNAPL)"

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Power, Christopher, Jason Gerhard, and Panos Tsourlos. "Geoelectrical monitoring of dense non-aqueous phase liquid (DNAPL) remediation: Numerical, experimental, and field studies." In First International Meeting for Applied Geoscience & Energy. Society of Exploration Geophysicists, 2021. http://dx.doi.org/10.1190/segam2021-3584111.1.

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Stewart, Mark, and Loren North. "A Geophysical Method for Detection and Quantification of Dense Non‐Aqueous Phase Liquids (DNAPL) in the Subsurface." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2003. Environment and Engineering Geophysical Society, 2003. http://dx.doi.org/10.4133/1.2923108.

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Stewart, Mark, and Loren North. "A Geophysical Method For Detection And Quantification Of Dense Non-Aqueous Phase Liquids (Dnapl) In The Subsurface." In 16th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.190.pos05.

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Power, C., P. Tsourlos, J. I. Gerhard, and T. Dahlin. "Simulated Time-lapse DC-IP Monitoring of Dense Non-aqueous Phase Liquids (DNAPLs) - An Initial Approach." In 23rd European Meeting of Environmental and Engineering Geophysics. EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201702030.

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Cross, Paul E., and Del Baird. "Phased Implementation of In Situ Chemical Oxidation for a Large TCE DNAPL Source Area at the Portsmouth Gaseous Diffusion Plant, USA." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7200.

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This paper describes the In Situ Chemical Oxidation (ISCO) remediation being implemented for the X-701B groundwater plume at the Department of Energy (DOE) Portsmouth Gaseous Diffusion Plant (PORTS). Modified Fenton’s reagent is the principal oxidant for the remedy, and Direct Push Technology (DPT) is being used for delivery of the oxidant. Trichloroethene (TCE) is the primary contaminant of concern and is present within the unit as a dense non-aqueous phase liquid (DNAPL). A phased approach is being implemented to optimize the type, location, and mass of the oxidant injections. During Phase I
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Neil John D'Cunha, Debasmita Misra, David L. Barnes, and Gang Chen. "Reduction of Residual Dense Non-Aqueous Phase Liquids (DNAPL) in Groundwater Using Natural Freezing of Soils in Cold Regions in Combination with Microbial Polymer Gels." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16206.

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Kosko, Nancy, Janet Gilman, and Debbie White. "Performance-Based Acquisition: A Tool to Reduce Costs and Improve Performance at US Army Environmental Remediation Sites." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7050.

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The US Army, like most US federal and state environmental organizations, is faced with limited resources to conduct environmental work, an increasing workload, and challenges in achieving closeout of its environmental cleanup programs. In 2001, in an effort to incorporate proven private sector tools into federal cleanup programs, the Department of Defense (DoD) Business Initiative Council (BIC), initiated the use of Performance-Based Acquisition (PBA) for environmental cleanup. Since fiscal year 2000, the US Army Environmental Command (USAEC) has successfully awarded more than 55 performance-b
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Reports on the topic "Liquides denses en phase non aqueuse (DNAPL)"

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Korte, N. E., S. C. Hall, and J. L. Baker. Refinement of the Kansas City Plant site conceptual model with respect to dense non-aqueous phase liquids (DNAPL). Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/117791.

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Jerome, K. M., B. B. Looney, F. Accorsi, M. Dingens, and J. T. Wilson. Test plan for Geo-Cleanse{reg_sign} demonstration (in situ destruction of dense non-aqueous phase liquid (DNAPL)). Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/527482.

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