Physicochemical Processes Occurring in Long-Term Storage of Liquid Radioactive Waste in Deep Underground Collector Beds |
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| Authors: | E V Zakharova E P Kaimin E N Darskaya K A Menyailo A A Zubkov |
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| Affiliation: | (1) Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russia;(2) Siberian Chemical Combine, Seversk, Tomsk oblast, Russia |
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| Abstract: | Interaction under hydrothermal conditions (pressure 3 MPa; temperature 80-170°C; contact time up to 2500 h) of intermediate-level acidic waste with bed rock of the underground repository for liquid radioactive waste is studied. Transformation of rock-forming minerals under these conditions is accompanied by increasing absorption of 137Cs, 90Sr, 239Pu, 241Am, and 238U. |
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