Subsurface Contamination By Immiscible Fluids
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Subsurface Contamination By Immiscible Fluids
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Author : K. U. Weyer
language : en
Publisher:
Release Date : 1992
Subsurface Contamination By Immiscible Fluids written by K. U. Weyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Groundwater categories.
Subsurface Contamination By Immiscible Fluids
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Author : K. U. Weyer
language : en
Publisher:
Release Date : 1992
Subsurface Contamination By Immiscible Fluids written by K. U. Weyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Subsurface Contamination By Immiscible Fluids
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Author : Udo Weyer
language : en
Publisher: CRC Press
Release Date : 1993-01-01
Subsurface Contamination By Immiscible Fluids written by Udo Weyer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-01-01 with Technology & Engineering categories.
Soil and groundwater at many, if not most, industrial, commercial and shop sites are polluted by immiscible fluids (IMFs: Hydrocarbons lighter & heavier than water). These sites are difficult to investigate & monitor. They present an exceptional challenge for investigation & cleanup. 63 papers by leading practitioners & scientists from USA, Canada & Europe. A number of review papers are included as introduction into the main session.
Subsurface Contamination By Immiscible Fluids
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Author : K. U. Weyer
language : en
Publisher:
Release Date : 1992
Subsurface Contamination By Immiscible Fluids written by K. U. Weyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Fluids categories.
Dense Nonaqueous Phase Liquids
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Author :
language : en
Publisher:
Release Date : 1992
Dense Nonaqueous Phase Liquids written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Groundwater categories.
Soil And Aquifer Pollution
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Author : Hillel Rubin
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Soil And Aquifer Pollution written by Hillel Rubin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
The Water Research Institute at the Technion (Israel Institute of Technology) is proud to have initiated and sponsored the International Workshop "Soil and Aquifer Pollution: Non-Aqueous Phase Liquids - Contamination and Recla- tion", held May 13th-15th, 1996, on the Technion campus in Haifa. Groundwater contamination is one of the pressing issues facing Israel and other countries which depend on groundwater for water supply. In Israel, 60% of the water supply comes from groundwater, most of it from two large aquifers. The Coastal Aquifer underlies the area where the largest concentration of human activity already takes place, and where much of future development is expected to occur. It is a phreatic sandstone aquifer, vulnerable to pollution from activities at the surface. The Mountain Aquifer is recharged in the higher terrain to the east, and flows, first in a phreatic zone, then confined, westward and underneath the Coastal Aquifer. This limestone aquifer has higher permeabilities and flow velo- ties, so pollution can reach the groundwater quite readily. Smaller local aquifers are also important components in the national water system. While measures are taken to protect these aquifers from pollution, there are locations where contamination has already occurred. Furthermore, accidental pollution may not be totally avoided in the future. Therefore, understanding the processes of groundwater contamination, recommending the proper measures for preventing it, and determining the best means for reclamation once pollution has occurred, are of great practical importance. Non-aqueous phase liquids (NAPLs) are among the most significant contaminants.
Soil And Groundwater Contamination
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Author : Alex S. Mayer
language : en
Publisher: American Geophysical Union
Release Date : 2005-01-14
Soil And Groundwater Contamination written by Alex S. Mayer and has been published by American Geophysical Union this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-14 with Science categories.
Accompanying CD-ROM ... "contains spreadsheets used in many of the example calculations, color versions of some of the illustrations, and movies illustrating the NAPL migration."--Page vi.
Immiscible Liquid Dissolution In Heterogeneous Porous Media
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Author : Ann Russo
language : en
Publisher:
Release Date : 2008
Immiscible Liquid Dissolution In Heterogeneous Porous Media written by Ann Russo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Immiscible liquids, including chlorinated solvents, have proven to be a lasting source of subsurface contamination at many hazardous waste sites. Continued improvement of site characterization and determination of applicable remediation technologies can be achieved by further understanding of the transport and fate of these contaminants. The transport and fate of trichloroethene (TCE) was investigated through miscible displacement and dissolution experiments. Miscible displacement experiments were conducted using homogeneously packed columns with several porous media encompassing a range of particle size distributions. Immiscible liquid dissolution was investigated using homogeneously packed columns containing a residual saturation of trichloroethene. The same porous media were used for immiscible liquid dissolution experiments. Mathematical modeling of miscible displacement and dissolution experiments was conducted using a one-dimensional single region or multi-region model. Imaging of immiscible liquid dissolution was also conducted, using Synchrotron X-ray Microtomography imaging at Argonne National Laboratory, Argonne, IL. Dissolution experiments exhibited nonideal dissolution behavior that was apparent in observed effluent data and in collected imaging data. Nonideal behavior was manifested as secondary regions of relatively constant aqueous concentrations occurring for a number of pore volumes. This behavior was observed to increase in magnitude as particle size distribution of the porous media increased. During imaging, immiscible liquid blobs were observed to dissolve throughout the column during dissolution. This behavior is also indicative of nonideal dissolution, as it would be expected that dissolution would first occur for the blobs nearest the inlet and then proceed upward through the column as dissolution progressed. In many cases, a multi-region modeling approach was necessary to successfully represent the nonideal behavior observed. Comparisons were made between the natural porous media used for this research and a well-sorted sand. Nonideal dissolution was not observed in the well-sorted sand.
Transport And Remediation Of Subsurface Contaminants
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Author : David A. Sabatini
language : en
Publisher:
Release Date : 1992
Transport And Remediation Of Subsurface Contaminants written by David A. Sabatini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Language Arts & Disciplines categories.
Transport and remediation of subsurface contaminants: introduction; Colloid deposition in porous media and an evaluation of bed-media cleaning techniques; Deposition of colloids in porous media: theory and numerical solution; Surface-charge repulsive effects on the mobility of inorganic colloids in subsurface systems; Colloid transport and the gas-water interface in porous media; Colloid remediation in groundwater by polyelectrolyte; Removal of chromate from aqueous strems by ultrafiltration and precipitation; Potential for bacterial remediation of waste sites containing selenium or lead; Heap leaching as a solvent-extraction technique for remediation of metals-contaminated soils; Factors affecting surfactant performance in groundwater remediation applicationsInfluence of surfactant sorption on capillary pressure-saturation relationships; Surfactant-enchanced solubilization of tetrachloroethylene and degradation products in pump and treat remediation; Solubilization and biodegradation of Hydrophobic organic compounds in soil-aqueous systems with nonionic surfactants; sorption of hydrophobic organic compounds and nonionic surfactants with subsurface materials; Field tests of surfactant flooding: mobility control of dense nonaqueous-phase liquids; Landfill leachate effects on transport of organic substances in aquifer materials; Clay and immiscible organic liquids: greater capillary trapping of the organic phase; Exposure assessmnet modeling for hydrocarbon spills into the subsurface: sensitivity to soil properties.
Contaminants In The Subsurface
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2005-04-23
Contaminants In The Subsurface written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-04-23 with Science categories.
At hundreds of thousands of commercial, industrial, and military sites across the country, subsurface materials including groundwater are contaminated with chemical waste. The last decade has seen growing interest in using aggressive source remediation technologies to remove contaminants from the subsurface, but there is limited understanding of (1) the effectiveness of these technologies and (2) the overall effect of mass removal on groundwater quality. This report reviews the suite of technologies available for source remediation and their ability to reach a variety of cleanup goals, from meeting regulatory standards for groundwater to reducing costs. The report proposes elements of a protocol for accomplishing source remediation that should enable project managers to decide whether and how to pursue source remediation at their sites.