Potential of DT fusion neutron source to enhance proliferation resistance properties of plutonium by means of its isotopic denaturing is addressed. The approach is exemplified by denaturing of pure 239Pu and plutonium of typical LWR spent fuel through transmutation of neptunium. The essential feature of a fusion driven system proposed in the study is a zero mass balance of plutonium: total plutonium inventory is constant during irradiation. The system is capable to convert pure 239Pu into plutonium composition with more than 20% fraction of key 238Pu isotope during 1,000 d of irradiation under initial neutron loading of 1 MW.m−2. Denaturing of LWR spent fuel plutonium under the same conditions would increase its 238Pu content up to 10-12%.

How neptunium led to the birth of plutonium

Adsorption of Neptunium(V) on Hydrargilite

Speciation of Neptunium(VI) Solid Phases Formed in Aqueous Carbonate Systems Takaumi KIMURA a , Yoshiharu KATO a , Zenko YOSHIDA a & Noriko NITANI b a Advanced Science Research Center , Japan Atomic Energy Research Institute , Tokai-mura , Naka-gun , Ibaraki-ken , 319-11 b Department of Chemistry and Fuel Research , Japan Atomic Energy Research Institute , Tokai-mura , Naka-gun , Ibaraki-ken , 319-11 Published online: 15 Mar 2012.

Redistribution of Neptunium(Y) During the Alteration of Ferrihydrite

Redistribution of Neptunium(Y) During the Alteration of Ferrihydrite

Neptunium in the Hydrosphere and in the Geosphere

Absorption, distribution, and fate of neptunium in plants

Neptunium in the Hydrosphere and in the Geosphere

Synthesis and properties of neptunium(III) formate

A radiation method of obtaining septavalent neptunium and plutonium

Element 93 Discovery Is Now Confirmed by American

The Identity of Fermi's Reactions of Element 93 with Element 91

We have recently pointed out1 that element 93 should have, according to the Periodic Law, other properties than those displayed by Fermi's element 932, and we found, on repeating his experiments with protactinium, that his 13-minute product from uranium is chemically identical with element 91.