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The work performed for this project can be subdivided into three separate parts. Part A deals with the processing of the low level liquid waste of a pressurized water reactor, the intent being the boron removal. After a series of tests, two processes have been discarded: reserve osmosis and ion exchange, and three have been continued: electrodialysis, electrochemical ion exchange (EIX) and high temperature/pressure distillation. The tests have been continued on genuine waste initially during bench top experiments, and afterwards on three larger sized test plants. Part B develops the EIX process and more especially the manufacturing of inexpensive electrodes. The process is tested on low activity waste. Finally in part C the mine tailing waste of a uranium mine is processed in order to remove radium and all other heavy metals. EIX and reverse osmosis are evaluated in order to replace the chemical flocculation processing.

Additional information

Authors: BRUGGEMAN A, SCK/CEN Mol (BE);JONES C, AEA Technology, Harwell Laboratory, Didcot, Oxon (GB);ROOFTHOOFT R, Laborelec, Linkebeek (BE);SEVERO A, LNETI-DPSR, Sacavem (PT)
Bibliographic Reference: EUR 17446 EN (1997) 203pp., FS, ECU 35
Availability: Available from the (2)
ISBN: ISBN 92-827-9045-2
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