I B Plecas, R S Pavlovic
The leaching rate of 60Co and 137Cs from the spent cation exchange resins in a cement–bentonite matrix has been studied. The solidification matrix consisted of standard Portland cement mixed with 290–350 kg/m3 spent cation exchange resins, with or without 2–5% bentonite clay. Leaching rates from the cement–bentonite matrix after 125 days were measured as follows: 60Co at (4.2–7.0) × 10–5 cm/d and 137Cs at (3.2–6.6) × 10–4 cm/d. The apparent diffusivity of cobalt and cesium in this matrix with a waste load of 290–350 kg/m3 spent cation exchange resins was determined to be 60Co at (1.1–4.0) × 10–6 cm2/d and 137Cs at (0.5–2.6) × 10–4 cm2/d. These results are part of a 20-year mortar and concrete testing project, which aims to influence the design of radioactive waste management strategies for a future Serbian radioactive waste disposal center.
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title={Leaching of 60Co and 137Cs from spent ion exchange resins in cement–bentonite clay matrix},
author={I B Plecas and R S Pavlovic},
year={2003},
language={en}
}TY - JOUR TI - Leaching of 60Co and 137Cs from spent ion exchange resins in cement–bentonite clay matrix AU - I B Plecas AU - R S Pavlovic PY - 2003 LA - en ER -
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