Diffusion Models of Environmental Transport: 1st Edition (Hardback) book cover

Diffusion Models of Environmental Transport

1st Edition

By Bruce Choy, Danny D. Reible

CRC Press

208 pages

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Hardback: 9781566704144
pub: 1999-10-28
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Description

Fate and transport models are critical components in the determination of the exposure to and risk from hazardous contaminants. Analytical models are preferable because they are generally more accessible, more reliable, and require fewer computational resources. Surprisingly, until today, only a limited number of analytical models have been accessible in the literature.

Now, there is Diffusion Models of Environmental Transport, which provides more than 40 analytical models of diffusion and advective-diffusion in one, two, and three layer systems, subject to a wide range of boundary and initial conditions. This text illustrates applications to contaminant transport in sediments and soils, including porewater and vapor transport, and also provides Mathcad spreadsheets to aid in the use of these models.

The authors supply complete details of the solutions to the models for those who wish for a deeper understanding. For others, who do not have the time or the need, the solutions themselves are ready to be picked up and used.

Reible and Choy use their 20-plus years of cumulative experience to create a thorough exploration of fate and transport models. This comprehensive text furnishes an invaluable reference for students and environmental professionals.

Reviews

"The authors make a point to correct some of the misuses of terminology commonly encountered in this field… a resource appropriate for professionals, graduate, and upper-division undergraduate students, and faculty."

-Choice

Table of Contents

Environmental Transport Modeling

Introduction

Outline

Preliminaries

Equilibrium Between Environmental Tables

Diffusion and the Diffusion Coefficient

Surface Mass Transfer Coefficient

Mass Balance and Transport Equations

Diffusion in a Semi-Infinite Soil/Sediment System

Introduction

Analysis Summary

Numerical Evaluation

Development

Diffusion in a Finite Layer Soil/Sediment Bed

Introduction

Analysis Summary

Numerical Evaluation

Development

Diffusion in a Two-Layer Composite Soil/Sediment Bed

Introduction

Analysis Summary

Numerical Evaluation

Development

Diffusion in a Three-Layer Composite Soil/Sediment Bed

Introduction

Analysis Summary

Numerical Evaluation

Development

Advection-Diffusion Models

Introduction

Analysis Summary

Numerical Evaluation

Development

Volatile Liquid Evaporation and Diffusion Through a Soil/Sediment Bed

Introduction

Analysis Summary

Numerical Evaluation

Development

Diffusion in Systems with Time Dependent Soil-Air Partition Coefficients

Introduction

Mathematical Analysis

Analysis Summary

Variable Transformation on a Variety of Time Dependent Air-Soil Partition Coefficient Functions

Development

Miscellaneous Transport Models

Constant Flux, Volatile Liquid Evaporation with Uniform Initial Liquid Saturation

Appendices

Error Function

Laplace Transformation

Roots of Transcendental Equations

Predicting the Diffusion Coefficient in Vapor

Predicting the Diffusion Coefficient in Liquid

Sample Calculations of Models Using Mathcad™ 7

Subject Categories

BISAC Subject Codes/Headings:
SCI013000
SCIENCE / Chemistry / General
TEC009010
TECHNOLOGY & ENGINEERING / Chemical & Biochemical
TEC010000
TECHNOLOGY & ENGINEERING / Environmental / General