|About this Abstract
||Materials Science & Technology 2012
||Materials Issues in Nuclear Waste Management in the 21st Century
||Advanced Electrochemical Waste Forms
||Brian J. Riley, Jarrod V Crum, William Lepry, John McCloy, Josef Matyas
|On-Site Speaker (Planned)
||Jarrod V Crum
A proposed electrochemical separations technique in nuclear fuel reprocessing produces a waste stream rich in alkali chlorides that also contains lanthanide and alkaline earth chlorides with small amounts of actinides. While the Republic of Korea currently separates out the chlorides and lanthanides for separate treatments, Idaho National Laboratory is developing a baseline technology that incorporates all of the waste into a single waste stream, i.e., a glass-bonded sodalite. Concurrently, Pacific Northwest National Laboratory (PNNL) is developing alternative waste forms that include high-halide minerals made with a sol-gel process and a lead tellurite (TeO2-based) glass. Ongoing work at PNNL will be presented to summarize our efforts to improve the waste loading capacity over the baseline technology.