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The removal of the actinides U, Pu, Am, Cm and Np from highly radioactive waste (HAW) would reduce the radiological hazard of the HAW. TRPO (trialkyl phosphine oxide), an industrial solvent for uranium extraction, has good solvent behaviour, high radiolytic stability and low cost. The extraction of actinides and other HAW constituents by 30 vol% TRPO in paraffinic diluent from both simulated and real HAW is studied. The loading capacity of the TRPO solvent is also reported, and compared with data for the TRUEX solvent.

Additional information

Authors: APOSTOLIDIS C ET AL., JRC Karlsruhe (DE);LIANG J, Tsinghua University, Institute of Nuclear Energy, Beijing (CN);ZHU Y, Tsinghua University, Institute of Nuclear Energy, Beijing (CN)
Bibliographic Reference: Paper presented: ENEA-CEC Symposium on "New Separation Chemistry for Radioactive Liquid Waste and Other Specific Applications", Rome (IT), May 16-18, 1990
Availability: Available from (1) as Paper EN 35618 ORA
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