Sequential Separation Method of ⁷⁹Se, ⁹³Zr, and ¹⁰⁷Pd From High Level Liquid Waste

A procedure including DMG resin column, silica gel column and Bis-Ⅱresin column was established to sequentially separate ⁷⁹Se, ⁹³Zr and ¹⁰⁷Pd from high level liquid waste(HLLW). A simulated solution was prepared to test the procedure and ⁷⁵Se, ⁹⁵Zr and ¹⁰⁹Pd were used as tracers. The recovery of Se is near to 90%, and that of Pd and Zr are more than 90%, and the decontamination factors of ⁹⁰Sr, ¹³⁷Cs and ¹⁵²Eu are better than 10³.