Abstract
Recent experiments show that soil uptake of plutonium by cation exchange from Recuplex process waste is practically negligible. Additional experiments with synthetic cation exchangers also produced negative results. The plutonium occurs in the form of an anion nitrate complex, precluding the possibility of plutonium removal by cation exchange. As a result, a laboratory investigation was started to determine the effectiveness of synthetic anion exchange resins for removing plutonium from these wastes. The initial results of this investigation indicate that a fixed bed ion exchanger may be utilized to remove a large part of the plutonium from CAW waste. Laboratory work is continuing to define the optimum resin and operating conditions.
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