Table of Contents
Colloid Transport in
Geochemically Heterogeneous Porous Media
Outline
Importance of Colloid Transport
in Porous Media
Necessary Conditions for
Colloid-Facilitated in Groundwater
Colloid Deposition: The Limiting
Factor for Colloid Transport
Key Factors to Consider in
Studying Colloid Transport in the Subsurface
Sources of Surface Chemical
(Charge) Heterogeneity
The Patch Model for Chemical
(Charge) Heterogeneity
Dynamic (Transient) Behavior of
Colloid Deposition
Dynamics of Surface Coverage
The Dynamic Blocking Function
RSA versus Langmuirian
Maximum Attainable Surface
Coverage
The Excluded Area Parameter
Experimental Testing of Blocking
Model for Colloid Deposition
Modeling Colloid Transport in
Geochemically Heterogeneous Porous Media
Model Governing Equations
Application to Colloid Transport
in Packed Column
Testing the Colloid Transport
Model: Column Experiments
Transport in Homogeneous
Quartz-Packed Columns
Colloid Transport Experiments in
Chemically Heterogeneous Media
Experimental Observations and
Model Predictions
The Major Obstacle
Acknowledgements |
Corresponding Author: Menachem
Elimelech
- Ryan, J.N., and Elimelech, M. "Colloid Mobilization and
Transport in Groundwater", Colloids and Surfaces A,
Volume 107, February 1996, pages 1-56.
- Johnson, P.R., Sun, N., and Elimelech, M. "Colloid
Transport in Geochemically Heterogeneous Porous Media: Modeling and
Measurements", Environmental Science & Technology,
Volume 30, November 1996, pages 3284-3293.
- Johnson, P.R., and Elimelech, M. "Dynamics of Colloid
Deposition in Porous Media: Blocking Based on Random Sequential
Adsorption", Langmuir Vol. 11, March 1995, pages
801-812.
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