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Report No.
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Investigation of various recoverry systems for Am Cm; Results in 2000

not registered; not registered ; not registered

In Japan Nuclear Cycle Development Institute, the feasibility study has been carried out in order to evaluate various methods of FBR cycle technology and to propose candidate concepts as practical technology. As a part of this, we investigated a process flow diagram and material balance of various recovery systems$$^{*1}$$ for Am and Cm from high level radioactive liquid waste, and we preliminarily evaluated the equipment scale, the cost and waste generation rate of these systems. As a result, it was obtained that these values are about 1.1-1.4, 0.9-1.4 and 1.2-1.5 times, respectively, of the SETFICS process. From these results, the systems we evaluated are considered to be same for the equipment scale at conceptual design stage, and each system is applicable as the recovery system of Am and Cm. But these results suggest that the facility may be much larger than the PUREX plant, in spite of small contents of the materials (Am and Cm) that is to be recovered. Therefore, whichever method is applied to the recovery system of Am and Cm, we need to develop the process in order to make the system more compact and economical. And then, we need to continue to collect information of these systems and new systems and to comparatively evaluate each system. And we should select finally a practical system of recovery for Am and Cm. *1 : various recovery systems to : (1)DIAMEX process + SANEX process (France - CEA) (2)TRPO process + Cyanex process (China) (3)DIDPA process (Japan-JAERI) (4)TALSPEAK process (U.S.A.-ORNL etc.)

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