Author: Medeiros-Romao, L.     [Medeiros Romão, L.]
Paper Title Page
MOYAP01 Accelerator Driven Systems 6
 
  • D. Vandeplassche, L. Medeiros Romão
    SCK•CEN, Mol, Belgium
 
  Accelerator Driven Systems are promising tools for the efficient transmutation of nu­clear waste products in dedicated industrial installations (transmuters). The Myrrha project at Mol, Belgium, placed itself on the path towards these applications with a multipurpose and versatile system based on a liquid PbBi (LBE) cooled fast reactor (80 MWth) which may be operated in both critical and subcritical modes. In the latter case the core is fed by spallation neutrons obtained from a 600 MeV proton beam hitting the LBE coolant/target. The accelerator providing this beam is a CW supercon­ducting linac which is laid out for the highest achievable reliability. The combination of a redundant and of a fault tolerant scheme should allow obtaining an MTBF value in excess of 500 hours that is required for optimal integrity and successful operation of the ADS. Myrrha is expected to be operational in 2023. The forthcoming 4-year period is fully dedicated to R&D activities, and in the field of the accelerator they are entirely focused on the reliability aspects.  
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