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Research Article Open access CC BY 4.0

Reduction of Environmental Impact of Fixed Bed Nuclear Reactor (FBNR) Waste

Farhang Sefidvash, Ehsan Amozegar, Sumer Sahin, Do Thi Nguyet Minh, Ha Van Thong

Physical Science International Journal · pp. 1–9 · Published 14 May 2016

10.9734/PSIJ/2016/25287

Abstract

The Fix Bed Nuclear Reactor (FBNR) is a pressurized water reactor but its fuel elements are made of Tristructural-Isotropic (TRISO) type particles. Its spent fuel elements may be used as a source of radiation for irradiation purposes in medicine, industry and agriculture. Thereafter, the waste treatment problem is the same as for the fourth generation high-temperature nuclear reactors using TRISO particles. It is found that using the proposed simplified TRISO particles increases the reactivity of the reactor, resulting in higher fuel burnup; while in recycling of its spent fuel, the amount of radioactive carbon is reduced by 57%.  

FBNR waste treatment environmental impact TRISO fuel INPRO

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