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

Diffusion Models of Environmental Transport

1st Edition

By Bruce Choy, Danny D. Reible

CRC Press

208 pages

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Paperback: 9780367399344
pub: 2019-09-27
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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.

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 (TM) 7

About the Authors

Choy, Bruce; Reible, Danny D.

Subject Categories

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