Apr 18 – 23, 2010
Casino Conference Centre
UTC timezone

Pyrochemical and electrochemical separations studies on plutonium (Part 2)

Apr 22, 2010, 12:00 PM
1h 30m
Gallery (Casino Conference Centre)


Casino Conference Centre

Reitenbergerova 4/95, Marianske Lazne, Czech Republic
Board: NFC.P03
Poster Chemistry of Nuclear Fuel Cycle, Radiochemical Problems in Nuclear Waste Management Poster Session - Chemistry of Nuclear Fuel Cycle, Nuclear Waste Management


Prof. Dr.Mr.ASHRAF ELSAYED MOHAMED MOHAMED (World Institute of nuclear secuirity"Austria')


Pyrochemical separations , involving molten salt and metal media , by liquid/liquid extraction or electrorefining are studies for nuclear defense and civil applications. The electrochemical properties of plutonium have been studied in molten salt-ternary eutectic mixture NaCI-KCI-BaCI2, equimolar mixture NACI-KCI and pure CaCI2 - and in liquid gallium at 1073 k. These processes concern actinide separations , However , lanthanides , such as cerium, are often used as surrogates.The first steps of a pyrochemical process development consist in the solvent media.Activity coefficients of the solutes in the two phases, that described the solvent-solute interaction , are important thermochemical parameters to predict separations efficiency and to assess the solvents influence . As nuclear defense scientist, I discuss the advanced developments to separate plutonium by electrochemical method that has been supporting the developments of pyrochemical processes involving plutonium as main goal and actinides separations. Keywords/ Electrochemical reactions, Molten salt ,Metal media, Activity coefficient of plutonium.

Primary author

Prof. Dr.Mr.ASHRAF ELSAYED MOHAMED MOHAMED (World Institute of nuclear secuirity"Austria')

Presentation materials

There are no materials yet.