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Diffusion in natural porous media: contaminant transport, sorption/desorption and dissolution kinetics [Libro electrónico] / by Peter Grathwohl

Por: Grathwohl, Peter [autor/a].
Tipo de material: Libro en línea Libro en línea Series Editor: Boston, Massachusetts, United States: Kluwer Academic Publishers, c1998Descripción: xvi, 207 páginas : ilustraciones ; 25 centímetros.ISBN: 0792381025; 9781461376026 (Print); 9781461556831 (Online).Tema(s): Soil pollution | Groundwater -- Pollution | Soil permeability | Groundwater flowNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Nota de bibliografía: Incluye bibliografía e índice: páginas 171-184 Número de sistema: 55364Contenidos:Mostrar Resumen:
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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.

Recurso en línea: http://link.springer.com/openurl?genre=book&isbn=978-1-4613-7602-6
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Incluye bibliografía e índice: páginas 171-184

1. Introduction.. 2. Basics of sorption and diffusion in soils and sediments.. 3. Modelling of diffusion processes.. 4. Measured diffusion coefficients.. 5. Dissolution of nonaqueous phase liquids.. 6. Risk assessment - remediation.. Index

Disponible para usuarios de ECOSUR con su clave de acceso

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. eng

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