Demonstration of Zr Recovery from 50 g Scale Zircaloy-4 Cladding Hulls using a Chlorination Method
| Autor: | Kweon Ho Kang, Yong Taek Choi, Min Ku Jeon, Geun Il Park, You Lee Lee, Chang Hwa Lee |
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| Rok vydání: | 2013 |
| Předmět: |
Cladding (metalworking)
Materials science Renewable Energy Sustainability and the Environment Metallurgy Zirconium alloy Management Monitoring Policy and Law Spent nuclear fuel Longitudinal direction Waste treatment Fuel Technology Nuclear Energy and Engineering Impurity Waste Management and Disposal Surface oxide Nuclear chemistry |
| Zdroj: | Journal of the Korean Radioactive Waste Society. 11:55-61 |
| ISSN: | 1738-1894 |
| DOI: | 10.7733/jkrws.2013.11.1.55 |
| Popis: | C. The initial weight of the reactant (51.7 g) decreased to 0.49 g after 8 h of operation, which is only 0.95wt% of the initial weight. The weight of the total reaction products was 121.7 g with a high Zr purity of 99.80wt%. Fe and Sn were identified as major (0.18wt%) and minor (0.02wt%) impurities of the reaction products, respectively. It was also shown that Zr exhibited a high recovery ratio of 96.95wt% with a relatively small experimental loss of 2.34wt%. Observation of the reaction residues revealed that the chlorination reaction was dominant along the longitudinal direction, and surface oxide layers remained as reaction residues. The high purity and recovery ratio of Zr proposed the feasibility of the chlorination technique as an effective hull waste treatment method.Key words: Chlorination reaction, Hull waste, Zr recovery, Spent nuclear fuel, Pyro-processing |
| Databáze: | OpenAIRE |
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