Generation mechanism and prevention method of secondary molybdate phase during vitrification of PUREX wastes in liquid-fed ceramic melter

References

• Donald IW, Metcalfe BL, Taylor RNJ. The immobilization of high level radioactive wastes using ceramics and glasses. J Mater Sci. 1997;32(22):5851–5887.
   Web of Science ®Google Scholar
• National research council of the national academies. Waste forms technology and performance: final report. Washington D.C.: The national academies press; 2011. p. 29–86.
   Google Scholar
• Sakai A, Koikegami H, Miura N, et al. Development of glass melter technology for HLLW vitrification in Japan. Proc. Int. Conference Nucl. Eng; 2014 Jul 7–11; Prague (Czech Republic): ICONE. p. Code109131.
   Google Scholar
• Fleisch J, Gruenewald W, Roth G, et al. Cold test operation of the German VEK vitrification plant-8326. Proc. Int. Conference Waste Management; 2008 Feb 24–28; Phoenix, AZ, USA.
   Google Scholar
• Petitjean V, De Vera R, Hollebecque JF, et al. La Hague continuous improvement program; enhancement of the vitrification throughput. Proc. Int. Conference Waste management; 2006 Feb 26–Mar 2; Tucson, AZ, USA.
   Google Scholar
• Marra SL, Peeler DK, Occhipinti JE, et al. The Savannah River site accelerated clean-up mission; sludge retrieval and immobilization. Proc. Int. Conference Waste management; 2003 Feb 23–27; Tucson, AZ, USA.
   Google Scholar
• French RT, Wodrich DD. The office of river protection – managing and disposing of Hanford site’s high-level waste. Proc. Int. Conference Waste management; 2000 Feb 27–Mar 2; Tucson, AZ, USA.
   Google Scholar
• Kawai K, Sagara H, Takeshita K, et al. High burn-up operation and MOX burning in LWR; effects of burn-up and extended cooling period of spent fuel on vitrification and disposal. J Nucl Sci Technol. 2018;55(10):1130–1140.
   Web of Science ®Google Scholar
• Caurant D, Majerus O, Fadel E, et al. Effect of molybdenum on the structure and on the crystallization of SiO2-Na2O-CaO-B2O3 glasses. J Am Ceram Soc. 2007;90(3):774–783.
   Web of Science ®Google Scholar
• Usami T, Uruga K, Tsukada T, et al. Properties of crystalline phase in waste glass. Proc Global; 2013 Sep 29–Oct 3. Salt Lake City (US); p. Paper8171.
   Google Scholar
• Bai J, Hsu J, Sandineni P, et al. The structure and properties of cesium loaded Mo-Fe-phosphate glasses. J Non-Crystal Sol. 2019;510:121–129.
   Web of Science ®Google Scholar
• Crum JV, Turo L, Riley B, et al. Multi-phase glass-ceramics as a waste form for combined fission products: alkalis, alkaline earths, lanthanides, and transition metals. J Am Ceram Soc. 2012;95(4):1297–1303.
   Web of Science ®Google Scholar
• Pinet O, Hollebecque JF, Hugon I, et al. Glass ceramic for the vitrification of high level waste with a high molybdenum content. J Nucl Mater. 2019;519:121–127.
   Web of Science ®Google Scholar
• Nakase M, Matsuzawa Y, Takeshita K. Continuous separation of molybdenum and zirconium from simulated high-level liquid waste with a Taylor–Couette contactor. J Nucl Sci Technol. 2018;55(11):1317–1323.
   Web of Science ®Google Scholar
• Uruga K, Tsukada T, Usami T, et al. Study for generation of yellow phase using small-scale Joule heating melter. Proc Global; 2015 Sep 20–24; Paris (France), p. Paper5191.
   Google Scholar
• Ohki M, Ohsawa T, Tanaka M, et al. Kagaku Dai-Jiten. Tokyo: Tokyo Kagaku Doujin; 1989. [ Japanese].
   Google Scholar
• McHale AE, Roth RS. Phase equilibria diagrams. Vol. XII. Westerville, Ohio: The American Ceramic Society; 1996. Oxides. p. 178.
   Google Scholar
• Roth RS, Dennis JR, McMurdie HF. Phase diagrams for ceramists. Vol. VI. Westerville, Ohio: The American Ceramic Society; 1987. p. 274&310.
   Google Scholar
• Kumar S, Rawat N, Kanekar AS, et al. Sodium diffusion in sodium borosilicate glass used for immobilization of high level liquid waste. J Radioanal Nucl Chem. 2007;274(2):225–228.
   Web of Science ®Google Scholar
• Wu X, Diechmann R. Sodium tracer diffusion in glasses of the type (Na2O)0.2[(BO1.5)x(SiO2)1-x]0.8. J Non-Crystal Sol. 2011;357:2846–2856.
   Web of Science ®Google Scholar