Migration of 137Cs adsorbed on fine soil particles through soil layer. (II). Re-suspension of fine soil particles filtrated by unsaturated soil layer.:Re-Suspension of Fine Soil Particles Filtrated by Unsaturated Soil Layer

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概要

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• In order to study the migration behavior of <SUP>137</SUP>Cs adsorbed on fine soil particles, distilled water was introduced into the unsaturated sandy soil column which filtrated the fine soil particles. From the concentrations of <SUP>137</SUP>Cs in the effluent and in the soil column, it was found that fine soil particles filtrated by the soil layer were re-suspensible at the surface of soil layer and the amount of re-suspension per unit time was in proportion to the amount of filtrated fine soil particles. Considering the filtration of fine soil particles by soil layer, the reaction between soil layer and fine soil particles on which <SUP>137</SUP>Cs is adsorbed is described by the formula ∂Q/∂t= K<SUB>1</SUB>C-K<SUB>2</SUB>Q at the surface of soil layer. Good agreement was obtained between the observed <SUP>137</SUP>Cs concentration in the effluent and the predicted one employing ∂Q/∂t=K<SUB>1</SUB>C-K<SUB>2</SUB>Q and ∂Q/∂t=K<SUB>1</SUB>C as a reaction formula at the surface of soil layer and in the subsurface part of the soil layer, respectively.

• 一般社団法人 日本原子力学会の論文

著者

• OGAWA Hiromichi

  Department of Environmental Safety Research, Tokai Research Establishment, Japan Atomic Energy Research Institute

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• Migration of 137Cs adsorbed on fine soil particles through soil layer. (II). Re-suspension of fine soil particles filtrated by unsaturated soil layer.:Re-Suspension of Fine Soil Particles Filtrated by Unsaturated Soil Layer

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