Development studies for the treatment of ORNL low-level liquid waste

Abstract

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Cesium uptake capacity of simulated ferrocyanide tank waste. Interim report FY 1994, Ferrocyanide Safety Project

“…When the Kd values for the U-plant-2 waste are based on the concentration of Na,NiFe(CN), in the waste, the calculated Kd values increase (3.1 x ld2 -6.6 x lo4) and are in agreement with the literature measurements for solutions with similar concentrations of ions. That the experimental K, values are lower than literature can be explained by the cesium ion concentration in the U-Plant-2 simulant being higher than the cesium concentration in the literature studies (Campbell et al 1991). The cesium concentration in the literature work was based on Oak Ridge National Laboratory (ORNL) low-level liquid waste, which has lower cesium activity than the ferrocyanide tank waste, as can be seen in Table 3.4.…”