Beschreibung
Inhaltsverzeichnis
Foreword. Notation. 1: Introduction.1.1. Persistence of Organic Contaminants in the Subsurface Environment. 1.2. Nonequilibrium Transport - Remediation of Contaminated Sites. 1.3. Diffusion in Sediments and Rocks. 2: Basics of Sorption and Diffusion in Soils and Sediments. 2.1. Sorption of Organic Compounds in Soils and Sediments. 2.2. Mass Transfer by Diffusion. 3: Modeling of Diffusion Processes. 3.1. Intraparticle Diffusion. 3.2. Diffusion into Layers of Low Permeability. 4: Measured Diffusion Coefficients. 4.1. Time-Lag Experiments. 4.2. Diffusion Coefficients from Sorption/Desorption Kinetics. 4.3. Prediction of Diffusion Coefficients. 5: Dissolution Kinetics of Non Aqueous Phase Liquids. 5.1. Aqueous Solubility of Organic Compounds. 5.2. Dissolution Kinetics. 6: Risk Assessment - Remediation. 6.1. Risk Assessment: Release Rates. 6.2. Time Scales of Soil and Groundwater Remediation. 6.3. Transport by Diffusion Compared to Advection. References. Appendices: I. Analytical Methods: TCE and Phenanthrene. II. Methods of Solids Characterization. III. TCE-Diffusion Data: Time-Lag Method. IV. Tracer Diffusion Data. V. Examples for Long-Term Sorption Kinetics of Phenanthrene. Index.
