Journal of Nuclear Fuel Cycle and Waste Technology 2004;2(3):211-217. Published online: Sep, 30, 2004
A Li recovery technology has been developed and related experimental verification efforts were carried out to improve the economical viability and environmental friendliness of the ';Advanced Spent Fuel Conditioning Process'; being developed at KAERI. This technology is characterized by the combination of 1) the electrolysis of Li2O in a molten salt by using a porous non-conducting magnesia container at the cathode, 2) the separation of the Li in the container from the molten salt by elevating the container above the level of a molten salt, 3) the transport of the Li in the container by using a vacuum siphon to a separated reservoir. Li was semi-continuously recovered from a LiCl-Li2O molten salt with a more than 95% yield by using the developed technology.
Keywords
Li Recovery,Electrowinning,LiCl,Li2O,Molten Salt