R. Kerry Rowe - Barrier Systems for Waste Disposal 2nd edition

Preface

ix

Basic concepts

1.1 Introduction

1.2 Overview of barrier systems

1.3 Transport mechanisms and governing equations

1.4 Complicating factors

1.5 Modelling the finite mass of contaminant

1.6 Modelling a thin permeable layer as a boundary condition

1.7 Hand solutions to some simple problems

1.8 Design considerations

1.9 Impact assessment

1.10 Choice of barrier system and service life considerations

1.11 Summary

Leachate characteristics and collection

2.1 Introduction

2.2 Liquid hydrocarbons

2.3 Landfill leachate

2.4 Collection, clogging and mounding

2.5 Estimating the service life of leachate collection blankets

2.6 Leachate mounding and liner temperature

2.7 Summary

Clayey barriers: compaction, hydraulic conductivity and clay mineralogy

3.1 Introduction

3.2 Methods of assessing hydraulic conductivity

3.3 Compacted clay liners

3.4 Clay mineralogy

3.5 Clay colloid chemistry

Clay/leachate compatibility by measurement of hydraulic conductivity

4.1 Introduction

4.2 Soil-MSW leachate compatibility

4.3 Compatibility of clays with liquid hydrocarbon permeants

4.4 Summary

Flow modelling

5.1 Introduction

5.2 One-dimensional flow models

5.3 Analysis of 2D and 3D flow

5.4 A finite difference approximation

5.5 Application of the finite element method to the analysis of plane flow

5.6 Boundary element methods

5.7 Calculating flow through holes in geomembranes

Chemical transfer by diffusion

6.1 Introduction

6.2 Free solution diffusion (D0)

6.3 Diffusion through soil

6.4 Steady-state diffusion

6.5 Transient diffusion

6.6 Use of laboratory and field profiles to obtain diffusion coefficient De

6.7 Diffusion during hydraulic conductivity testing for clay/leachate compatibility

6.8 Diffusion through geomembranes

6.9 Summary

Contaminant transport modelling

7.1 Introduction

7.2 Analytical solutions

7.3 Application of Laplace transforms to develop a finite layer solution for a single layer

7.4 Contaminant transport into a single layer considering a landfill of finite mass and an underlying aquifer

7.5 Finite layer analysis

7.6 Contaminant migration in a regularly fractured medium