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A computer program was developed to simulate technetium scrubbing section (TcS) in Purex based on the theory of cascade extraction. The program can simulate the steady-state behavior of HNO3, U, Pu and Tc in TcS. The reliability of the program was verified by cascade extraction experiment, the relative error between calculation value and experiment value is 10% more or less except few spots. The comparison between experiment and calculation results is illustrated in Fig. 1. The technical parameters of TcS were analyzed by this program, it is found that the Decontamination factor (DFTc/U) in TcS is remarkably affected by the overall consumption (multiply molarity by volume flux) of HNO3, DFTc/U is
A program was developed to simulate technetium scrubbing section (TcS) in Purex based on the theory of cascade extraction. The program can simulate the steady-state behavior of HNO3, U, Pu and Tc in TcS. The reliability of the program was verified by cascade extraction experiment, the relative error between calculation value and experiment value is 10% more or less except few spots. The comparison between experiment and calculation results is illustrated in Fig. 1. The technical parameters of TcS were analyzed by this program, it is found that the Decontamination factor (DFTc / U) in TcS is remarkably affected by the overall consumption (multiply molarity by volume flux) of HNO3, DFTc / U is