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CHEMICAL REACTIONS SIMULATED BY GROUND-WATER-QUALITY MODELS.

Water Resources Bulletin

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Abstract

Recent literature concerning the modeling of chemical reactions during transport in ground water is examined with emphasis on sorption reactions. The theory of transport and reactions in porous media has been well documented. Numerous equations have been developed from this theory, to provide both continuous and sequential or multistep models, with the water phase considered for both mobile and immobile phases. Chemical reactions can be either equilibrium or non-equilibrium, and can be quantified in linear or non-linear mathematical forms. Non-equilibrium reactions can be separated into kinetic and diffusional rate-limiting mechanisms. Solutions to the equations are available by either analytical expressions or numerical techniques. Saturated and unsaturated batch, column, and field studies are discussed with one-dimensional, laboratory-column experiments predominating. A summary table is presented that references the various kinds of models studied and their applications in predicting chemical concentrations in ground waters.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
CHEMICAL REACTIONS SIMULATED BY GROUND-WATER-QUALITY MODELS.
Series title:
Water Resources Bulletin
Volume
23
Issue:
4
Year Published:
1987
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
601
Last page:
615
Number of Pages:
15