Reactive transport

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Code Completion Credits Range Language
141XRTR Z 1 1P+1C Czech
Garant předmětu:
Jaromír Dušek
Jaromír Dušek
Jaromír Dušek
Department of Hydraulics and Hydrology

The course focuses on processes affecting the transport of water-dissolved chemicals in natural porous systems. In addition to reactive substances, the conceptualization of basic transport processes is considered for non-reactive (conservative) solutes. The emphasis is put on the mathematical description of water movement and transport of solutes in soils including transformation processes (initial and boundary conditions, governing equations, analytical and numerical solution, and parameterization of transport coefficients). Attention is also be paid to the concept of the breakthrough curve, parameterization of sorption and degradation processes, description of chemical transport using a two-region/two-site model, existing databases of transport parameters of organic compounds, and different approaches used to assess the mobility of organic compounds in the vadose zone.



Syllabus of lectures:

Modeling of water flow through porous media.

Boundary conditions and balance of water.

Mechanisms of conservative transport. Governing equations.

Hydrodynamic dispersion.

Boundary conditions and balance of solute.

Nonconservative transport.

Biogeochemical reactions. Sorption. Decay.

Syllabus of tutorials:

Breakthrough curve.

Analytical and numerical solutions.

Transport parameters.

Péclet number and particle tracking.

Two-region and two-site model.

Mobility of pesticides.

Study Objective:

The course emphasizes the quantitative description of transport processes using mathematical approaches. Upon completion of the course, students should be able to use the knowledge gained to solve problems related to water flow and the transport of solutes through porous media.

Study materials:

Appelo C.A.J., Postma D.: Geochemistry, groundwater and pollution, 2nd ed., CRC Press, ISBN 04-1536-428-0, 2005.

Hillel D.: Environmental Soil Physics, Academic Press, ISBN 976-0-12-348525-0, 1998.

Bear, J., Verruijt, A.: Modelling groundwater flow and pollution, Kluwer, ISBN 1-55608-015-8, 1994.

Time-table for winter semester 2024/2025:
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Time-table for summer semester 2024/2025:
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The course is a part of the following study plans:
Data valid to 2024-06-16
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