Radial blanket

"The journal of Nuclear science and technology - Volume 9/Number 3, 2019" present nuclear transmutation of long-lived fission product i-129 in radial blanket of sodium-cooled fast reactor; calculation results for enhancing ability of I-131 radioisotope production using tellurium dioxide target on the dalat nuclear research reactor; temporal variation of stable isotopic values for dissolved nitrogen compounds in paddy water environment...

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An investigation on the nuclear transmutation of elemental long-lived fission product (LLFP) in a fast reactor is being conducted focusing on the I-129 LLFP (half-life 15.7 million years) to reduce the environmental burden. The LLFP assembly is loaded into the radial blanket region of a Japanese MONJU class sodium-cooled fast reactor (710 MWth, 148 days/cycle). The iodine element containing I-129 LLFP (without isotope separation) is mixed with YD2 and/or YH2 moderator material to enhance the nuclear transmutation rate.

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