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MODELING THE RATE-CONTROLLED SORPTION OF HEXAVALENT CHROMIUM.

Water Resources Research

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Abstract

Sorption of chromium VI on the iron-oxide- and hydroxide-coated surface of alluvial material was numerically simulated with rate-controlled reactions. Reaction kinetics and diffusional processes, in the form of film, pore, and particle diffusion, were simulated and compared with experimental results. The use of empirically calculated rate coefficients for diffusion through the reacting surface was found to simulate experimental data; pore or particle diffusion is believed to be a possible rate-controlling mechanism. The use of rate equations to predict conservative transport and rate- and local-equilibrium-controlled reactions was shown to be feasible.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
MODELING THE RATE-CONTROLLED SORPTION OF HEXAVALENT CHROMIUM.
Series title:
Water Resources Research
Volume
21
Issue:
11
Year Published:
1985
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1703
Last page:
1709
Number of Pages:
7