The concept of phased mastering of fast reactors technologies and closure of nfc under conditions of uncertainty of future knowledge

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In this paper the authors suggest that the nuclear industry consider a new way to solve SNF problems of the present-day nuclear power engineering on the basis of technologies already used in Russia: BN reactors, MOX fuel and SNF hydrometallurgical reprocessing. As our knowledge about the future of nuclear power and the real potential of the technologies proposed for further development are ambiguous, existence of alternative views on the future of nuclear power and divergent “requirements” to FR and CNFC should be taken as an objective reality and they cannot be rejected a priori . Only the future will show which of the ideologies will turn out to be closer to reality.
As part of the “natural security” ideology instead of deterministic “requirements” to fuel performance indicators of a BR system the authors propose to proceed to a “target indicator” that can be updated as our ideas on the future and the real potential of emerging technologies becomes more precise. Using the term “requirement” means that it must be sufficiently substantiated and can be done a priori. The real situation is that the practical ability to perform most of the requirements of “natural security” has not been demonstrated even on experimental level.
Out of the whole list of “targets” one should select key or priority ones that should be demonstrated in the first place, for example in the field of safety indicators. We suggest considering the possibility of phased reaching a “target indicator”: an experimental industrial installation; head commercial unit; commercial installation of the first generation, second generation commercial plants. Acceptance of the above proposals will allow nuclear science to purposefully develop the next-generation technologies for the future without rejecting a priori the results of the previous programs. And the nuclear industry will be able to explore the BN and MOX-fuel technology potential, which has already been demonstrated, to solve the current problems of modern nuclear power, for example in the field of spent nuclear fuel.

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