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The High Flux Reactor located at Petten (NL) is managed by the European Commission and operated under contract by NRG (Nuclear Research and consultancy Group) since 40 years. After preparatory works begun in 1998 and 1999, the decision to convert the reactor to LEU was taken and the official diplomatic notes were signed in January 2000 with USA authorities. This decision allowed HEU fuel supply, from USA, during four years, the necessary time to obtain a new licence for reactor operation with LEU fuel. This paper presents the status of the fuel supply already provided for the first two years. The work begun to obtain a new license is then explained, with several studies in parallel. Special attention is paid to on the conversion studies and the related project. A prototype fuel element has been ordered. For the back end of the fuel cycle the paper reports on a shipment of 117 spent fuel elements to the USA, performed in June 2001, as well as on the status of the HABOG facility under construction, to allow storage of 1400 spent fuel elements after 2003. For new MTR fuel, a presentation is made of the test made in 1999 and 2000. Some explanations are given on several other tests to be performed in the following years, in this field where HFR is very active. In conclusion several successful results were achieved during this year in the fuel cycle and the new license organisation.

Additional information

Authors: GUIDEZ J, JRC, Institute for Energy, Petten (NL);GEVERS A, JRC, Institute for Energy, Petten (NL);WIJTSMA F J, Nuclear Research & Consultancy Group, Petten (NL);THIJSSEN P J M, Nuclear Research & Consultancy Group, Petten (NL)
Bibliographic Reference: An oral report given at: The 24th International Meeting on Reduced Enrichment for Research and Test Reactors (RERTR). Held in: Kuta-Denpasar (ID), 21-52 October 2001
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