Abstract
Migration experiments were carried out in artificial rock fractures of 50×50 cm scale in order to understand the transport phenomena of contaminants in deep geological environment. The tracers used in this experiments were tritiated water, anion, polymers, and sorbing cations. The experimental study was focused on the interpretation of the retardation and matrix diffusion of the tracer in the fracture. To visualize migration phenomena, an organic dye, eosine, was used as a tracer. The migration plumes were taken with a digital camera as a function of time and stored as a digital image file. Computer simulation was performed not only for the hydraulic behavior such as distributions of pressure and flow vectors in the fracture but also for the migration plume and the elution curves. These simulation results were interpreted by comparing experimental ones, thus providing a way to understand migration behavior of tracers and interaction between rock and chemical species.
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Park, CK., Ryu, BH. & Hahn, PS. Migration characteristics of some chemical species in a granite fracture according to their chemical properties. Korean J. Chem. Eng. 19, 765–772 (2002). https://doi.org/10.1007/BF02706965
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DOI: https://doi.org/10.1007/BF02706965