Preparation of the AMB-100 and AMB-200 reactor SNF for transportation and reprocessing at Mayak PA

The AMB-100 and AMB-200 reactors at the Beloyarsk NPP were shut down in the 1980s. The fuel of about 40 types with a different burn-up has been stored in the NPP storage pools and at Mayak PA since then. About 40% of the SFAs at the Beloyarsk NPP is stored in carbon steel leaky baskets, and most of the SFAs in the baskets have corroded.

In 2007, Sosny won a tender and signed a federal contract with the Federal Atomic Energy Agency to develop a technology for AMB SNF reprocessing, comparison and selection of a method for handling untight and non-reprocessable SNF. The health of the AMB SNF, storage conditions, organization of areas for SNF cutting and loading into canisters and reprocessing at Mayak PA were analyzed.

In 2008-2019, the Company continued the work under the AMB project as a subcontractor of FSUE FCNRS. That period was devoted to the development of the technology, basic equipment and tools for cutting the SFAs for the safe cutting facility (SCF) at the Beloyarsk NPP and for the cutting and encapsulation division (CED) at Mayak PA, as well as for loading the fuel fragments into canisters and transportation to the chemical reprocessing plant. A feasibility of the technology for handling the AMB SNF at SCF was verified by experts of Scientific and Engineering Center for Nuclear and Radiation Safety and Research and Design Institute ATOMENERGOPROEKT, S.Petersburg. RF Glavekspertiza assessed the design documents for CED at Mayak PA positively.

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