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Soil and Aquifer Pollution : Non-Aqueous Phase Liquids - Contamination and Reclamation - Hillel Rubin

Soil and Aquifer Pollution

Non-Aqueous Phase Liquids - Contamination and Reclamation

By: Hillel Rubin (Editor), Nava Narkis (Editor), Judith Carberry (Editor)

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Published: 28th January 1998
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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.

Overview of NAPL Contamination and Reclamationp. 3
Solubilization of Dense NAPLs: Exploring the Implications of Experimental Observations on Field-Scale Surfactant-Enhanced Remediationp. 18
Behavior of Volatile Organic Mixtures in the Soil Environmentp. 37
Permeability of Porous Media as Affected by Shrinkage and Swelling of Claysp. 59
Sorption-Desorption and Complexation Processes of the Adsorbed and Aqueous Fraction of NAPL - Importance for Complete Cleanup of Aquifersp. 79
Estimating Mass Transfer of Polyaromatic Hydrocarbons from Coal Tar-Contaminated Soilp. 91
Transport and Reactions of Petroleum Contaminants in the Unsaturated Soil Zone from Leaking Underground Tanksp. 109
Aqueous Dissolution of the Constituents of Composite Non-Aqueous Phase Liquid Contaminantsp. 123
Release of Soil Organics by Chlorophenolsp. 136
Indigenous Soil Microflora Versus Introduced Microorganisms in Subsurface Bioremediationp. 149
Rate-Limiting Steps in the Microbial Degradation of Petroleum Hydrocarbonsp. 159
Biodegradation of Coal Tar Constituents in Aquifer Sedimentsp. 173
Reversible and Irreversible Binding of Organics to Soils and the Effect of Biodegradationp. 191
On the Importance of Dimensionality in the Simulation of Dense Non-Aqueous Liquid Migration in the Subsurfacep. 209
Modeling of Non-Aqueous Phase Liquid Migration and Recovery in Heterogeneous Aquifersp. 220
Characteristics of Entrapped LNAPL Dissolution and Transport in a Contaminated Fractured Permeable Mediump. 236
Three-Dimensional Modeling of Multi-Phase Flow and Mass Transfer in Porous Mediap. 257
Problems of Flow Through Fractured Rock Formations Related to Contamination of Aquifersp. 274
Residual Nonaqueous Phase Liquid Dissolution in Micromodelsp. 289
On the Movement of NAPLs Above and Within a Phreatic Aquiferp. 300
In Situ Bioremediation of Residual Entrapped NAPL in Aquifers by a Biodegradable Nutrient-Surfactant Mixp. 322
Application of a Eulerian-Lagrangian Approach for the Simulation of Entrapped NAPL Dissolution and Transportp. 335
Groundwater Contamination Originating from Continuous Oil Leakage from an Underground Sourcep. 357
Surfactant-Enhanced NAPL Remediation: From the Laboratory to the Fieldp. 373
Case Study of Bioremediation of Soil Contaminated by Diesel Oilp. 392
Subject Indexp. 407
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9783540625865
ISBN-10: 3540625860
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 414
Published: 28th January 1998
Publisher: Springer-Verlag Berlin and Heidelberg Gmbh & Co. Kg
Country of Publication: DE
Dimensions (cm): 23.5 x 15.5  x 2.54
Weight (kg): 1.75