Abstract
The advancement of reprocessing and radioactive waste treatment becomes very important subject in the backend chemistry of nuclear fuel cycle. In particular, the development of selective separation and recovery method is expected for reducing a burden to storage facilities, environmental remediation and nuclide utilization. Ion-exchange, solvent extraction and precipitation methods so far have been used for the separation of heat-generating elements, while the ion-exchange is considered to be the most promising method for the effective separation using compact processes, and the advanced separation methods have been developed in various countries.
This special issue deals with the explanation on (1) Objective and impact for the separation of heat-generating ele-ments, (2) Separation characteristics and durability of promising ion exchangers, (3) Solidification and utilization of heat-generating elements.