Analysis of the behavior of migration of neptune in fractured medium in four types of matrices rocks

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Zelmo de Lima
Claudia Siqueira da Silveira
Ludimila Silva Salles de Sá

Resumo

In geological repositories is relevant to analyze the groundwater movement process, because the mechanism by which the radionuclides in a repository with fractures could return to the surface would be through the groundwater circulation system. A common problem encountered is the modeling of the migration of radionuclides in a fractured medium. The objective of this work is to evaluate the behavior of the migration of radionuclides in for types of rock matrix, considering the following properties: volumetric density, porosity, distribution coefficient and molecular diffusion coefficient. In previous work it was simulated for two types of matrices rocks [1].

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Seção
Radioactive Waste