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Fusion is at an early stage of demonstration. In the near future, Next Step reactors (such as ITER) will use the DT cycle as the easiest way to reach ignition. This paper examines the environmental problems of the DT cycle due to tritium and neutron activation. Advantages and disadvantages of this fuel cycle are outlined. All the technologies relate to the self-breeding of tritium so that the concept of breeding blanket itself may not be reactor relevant. In the frames of the Next Step studies, the potential advantages (simplified design, lower cost, higher safety) of intermediate DT devices without breeding blanket are discussed. The problem of the source of tritium is examined.

Additional information

Authors: ZUCCHETTI M, Politecnico di Torino, Dipartimento di Energetica (IT);MEROLA M, JRC Ispra (IT);MATERA R, JRC Ispra (IT)
Bibliographic Reference: Paper presented: ICENES '93, Chiba (JP), September 20-24, 1993
Availability: Available from (1) as Paper EN 37866 ORA
Record Number: 199411268 / Last updated on: 1994-11-25
Original language: en
Available languages: en
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