Published online 1 August 2007
Published in Vadose Zone J 6:407-435 (2007)
DOI: 10.2136/vzj2006.0085
© 2007 Soil Science Society of America
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Adsorption–Desorption Processes in Subsurface Reactive Transport Modeling
Sabine Goldberga,*,
Louise J. Criscentib,
David R. Turnerc,
James A. Davisd and
Kirk J. Cantrelle
a USDA-ARS, U.S. Salinity Lab., 450 W. Big Springs Rd., Riverside, CA 92507
b Sandia National Lab., P.O. Box 5800, MS 0750, Albuquerque, NM 87185-0750
c Center for Nuclear Waste Regulatory Analyses, 6220 Culebra Rd., San Antonio, TX 78284
d U.S. Geological Survey, 345 Middlefield Rd., Menlo Park, CA 94025
e Pacific Northwest National Lab., P.O. Box 999, Richland, WA 99352

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FIG. 1. Schematics depicting the form of the adsorption isotherm equations: (A) distribution coefficient, (B) Freundlich adsorption isotherm, (C) Langmuir adsorption isotherm.
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FIG. 2. Schematics depicting the solid–solution interface for the surface complexation models: (A) constant capacitance model (CCM), (B) diffuse layer model (DLM), (C) triple layer model (TLM); (D) charge distribution multisite complexation three-plane model (CD-MUSIC TPM).
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FIG. 3. Schematic indicating the formation of inner-sphere and outer-sphere complexes at the solid–solution interface. After Hayes and Katz (1996).
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Copyright © 2007 by the Soil Science Society of America.