Sorption and Desorption by Soils and Sediments
Title | Sorption and Desorption by Soils and Sediments PDF eBook |
Author | Weilin Huang |
Publisher | |
Pages | 544 |
Release | 1997 |
Genre | |
ISBN |
Sorption and Desorption of Volatile Organic Compounds by Soils and Sediments
Title | Sorption and Desorption of Volatile Organic Compounds by Soils and Sediments PDF eBook |
Author | Hossein Ganjidoost |
Publisher | |
Pages | 175 |
Release | 1988 |
Genre | |
ISBN |
Phosphorus Sorption-desorption of Soils and Sediments in the Rathbun Lake Watershed
Title | Phosphorus Sorption-desorption of Soils and Sediments in the Rathbun Lake Watershed PDF eBook |
Author | Najphak Hongthanat |
Publisher | |
Pages | 68 |
Release | 2010 |
Genre | |
ISBN |
Sorption and Desorption of Cesium and Strontium on TA-2 and TA-41 Soils and Sediments
Title | Sorption and Desorption of Cesium and Strontium on TA-2 and TA-41 Soils and Sediments PDF eBook |
Author | |
Publisher | |
Pages | |
Release | 1996 |
Genre | |
ISBN |
Phenanthrene Sorption/desorption by Geosorbent
Title | Phenanthrene Sorption/desorption by Geosorbent PDF eBook |
Author | Naoko Watanabe |
Publisher | |
Pages | 318 |
Release | 2006 |
Genre | |
ISBN |
Bioavailability of Contaminants in Soils and Sediments
Title | Bioavailability of Contaminants in Soils and Sediments PDF eBook |
Author | National Research Council |
Publisher | National Academies Press |
Pages | 433 |
Release | 2003-05-03 |
Genre | Technology & Engineering |
ISBN | 0309086256 |
Bioavailability refers to the extent to which humans and ecological receptors are exposed to contaminants in soil or sediment. The concept of bioavailability has recently piqued the interest of the hazardous waste industry as an important consideration in deciding how much waste to clean up. The rationale is that if contaminants in soil and sediment are not bioavailable, then more contaminant mass can be left in place without creating additional risk. A new NRC report notes that the potential for the consideration of bioavailability to influence decision-making is greatest where certain chemical, environmental, and regulatory factors align. The current use of bioavailability in risk assessment and hazardous waste cleanup regulations is demystified, and acceptable tools and models for bioavailability assessment are discussed and ranked according to seven criteria. Finally, the intimate link between bioavailability and bioremediation is explored. The report concludes with suggestions for moving bioavailability forward in the regulatory arena for both soil and sediment cleanup.
Diffusion in Natural Porous Media
Title | Diffusion in Natural Porous Media PDF eBook |
Author | Peter Grathwohl |
Publisher | Springer Science & Business Media |
Pages | 198 |
Release | 2012-12-06 |
Genre | Science |
ISBN | 146155683X |
Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics introduces the general principles of diffusion in the subsurface environment and discusses the implications for the fate and transport of contaminants in soils and groundwater. Emphasis is placed on sorption/desorption and the dissolution kinetics of organic contaminants, both of which are limited by the slow speed of molecular diffusion. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics compiles methods for calculating the diffusion coefficients of organic compounds (in aqueous solution or vapor phase) in natural porous media. The author uses analytical solutions of Fick's 2nd law and some simple numerical models to model diffusive transport under various initial and boundary conditions. A number of these models may be solved using spreadsheets. The book examines sorption/desorption rates of organic compounds in various soils and aquifer materials, and also examines the dissolution kinetics of nonaqueous phase liquids in aquifers, in both the trapped residual phase and in pools. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics concludes with a discussion of the impact of slow diffusion processes on soil and groundwater decontamination and the implications of these processes for groundwater risk assessment.