Minimization of cobalt nuclide emissions in supercritical water oxidation of spent resin.
A rapid and complete destruction of organics in the supercritical water oxidation (SCWO) of the Co-exchanged resin was found experimentally. Due to an extremely low solubility of CoSO4 salt formed and separated effectively in the SCWO process, a minimal release of the nuclide Co would be warranted. In addition, recycling of Co nuclides is also possible by decomposition of the CoSO4 species at elevated temperatures (> 1040 K).
Huang
Y J
YJ
Department of Environmental Engineering, National Cheng Kung University, Tainan, Taiwan.
Wang
H P
HP
Li
C T
CT
Chien
Y C
YC
D002248:Carbon Monoxide; D003035:Cobalt / Q000737:chemistry*; D006358:Hot Temperature; D010084:Oxidation-Reduction; D012116:Resins, Plant; D013816:Thermodynamics; D014961:X-Ray Diffraction
D012116:Resins, Plant; D003035:Cobalt; D002248:Carbon Monoxide; C026305:cobalt sulfate