Transport and remediation of subsurface contaminants : colloidal, interfacial, and surfactant phenomena : developed from a symposium sponsored by the Division of Colloid and Surface Chemistry of the American Chemical Society at the 65th annual Colloid and

Transport and remediation of subsurface contaminants : introduction / Robert C. Knox and David A. Sabatini -- Colloid deposition in porous media and an evaluation of bed-media cleaning techniques / T.M. Olson and G.M. Litton -- Deposition of colloids in porous media : theory and numerical solution / Menachem Elimelech and Lianfa Song -- Surface-charge repulsive effects on the mobility of inorganic colloids in subsurface systems / Robert W. Puls and Robert M. Powell -- Colloid transport and the gas-water interface in porous media / Jiamin Wan and John L. Wilson -- Colloid remediation in groundwater by polyelectrolyte capture / H.E. Nuttall, Jr., S. Rao, R. Jain, R. Long, and Ines R. Triay -- Removal of chromate from aqueous streams by ultrafiltration and precipitation / Edwin E. Tucker, Sherril D. Christian, John F. Scamehorn, Hirotaka Uchiyama, and Wen Guo -- Potential for bacterial remediation of waste sites containing selenium or lead / L.L. Barton, F.A. Fekete, E.V. Marietta, H.E. Nuttall, Jr., and R. Jain -- Heap leaching as a solvent-extraction technique for remediation of metals-contaminated soils / A.T. Hanson, Z. Samani, B. Dwyer, and R. Jacquez -- Factors affecting surfactant performance in groundwater remediation applications / Jeffrey H. Harwell -- Influence of surfactant sorption on capillary pressure-saturation relationships / F.N. Desai, A.H. Demond, and K.F. Hayes -- Surfactant-enhanced solubilization of tetrachloroethylene and degradation products in pump and treat remediation / Candida Cook West -- Solubilization and biodegradation of hydrophobic organic compounds in soil-aqueous systems with nonionic surfactants / David A. Edwards, Shonali Laha, Zhongbao Liu, and Richard G. Luthy -- Sorption of hydrophobic organic compounds and nonionic surfactants with subsurface materials / Candace Palmer, David A. Sabatini, and Jeffrey H. Harwell -- Field tests of surfactant flooding : mobility control of dense nonaqueous-phase liquids / J.C. Fountain -- Landfill leachate effects on transport of organic substances in aquifer materials / F.M. Pfeffer and C.G. Enfield -- Clay and immiscible organic liquids : greater capillary trapping of the organic phase / Robert E. Mace and John L. Wilson -- Exposure assessment modeling for hydrocarbon spills into the subsurface : sensitivity to soil properties / James W. Weaver, Bob K. Lien, and Randall J. Charbeneau -- Transport and remediation of subsurface contaminants : review and future directions / David A. Sabatini and Robert C. Knox 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
Combines a timely review of the current understanding of subsurface contaminant transport and remediation with an insightful discussion of critical issues that demand future consideration. Presents in one volume the results of research from a variety of disciplines, including chemistry, chemical engineering, materials science, and environmental science. Delineates the state of the science in colloidal, interfacial, and surfactant phenomena influencing natural migration and remediation of contaminants in the subsurface. A panel discussion indicates critical research needs relative to extending our understanding and management of soil and ground water resources.