Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yong Taek Choi"'
Publikováno v:
Journal of Nuclear Materials. 465:28-33
A thermo-gravimetric analysis system for hull chlorination reaction (TGA-HC) was employed to measure weight change of ZIRLO cladding hulls in-situ during the chlorination reaction. The total flow rate ( Q ) experiments suggested that the chlorination
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20d7fde8d87ba9ba27fff45938ac46aa
https://doi.org/10.1016/j.jnucmat.2015.05.013
https://doi.org/10.1016/j.jnucmat.2015.05.013
Publikováno v:
Journal of Nuclear Fuel Cycle and Waste Technology. 13:211-218
The reaction rates of ZIRLO cladding hulls with cross-section openings were investigated using a thermo-gravimetric analysis system in order to identify whether selective recovery of Zr from oxidized cladding hulls is possible. The experimental resul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b47f6b29616f33e618d72c1a0937a3af
https://doi.org/10.7733/jnfcwt.2015.13.3.211
https://doi.org/10.7733/jnfcwt.2015.13.3.211
Autor:
Yong Taek Choi, Jung-Hoon Choi, Tae Kyo Lee, Do-Hee Ahn, Hee-Chul Eun, Min Ku Jeon, Jin-Mok Hur, Hwan-Seo Park
Publikováno v:
Journal of Nuclear Fuel Cycle and Waste Technology. 13:235-242
A commercially available copper mesh was investigated as an iodine off-gas capturing medium for pyroprocessing, with an aim to replace costly silver based adsorbents. Theoretical calculation results suggested that the reaction between metallic copper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69b50c009058f2abf5b0557293ac7dd4
https://doi.org/10.7733/jnfcwt.2015.13.3.235
https://doi.org/10.7733/jnfcwt.2015.13.3.235
Publikováno v:
Journal of Nuclear Materials. 459:175-182
The chlorination reaction kinetics of Zircaloy-4 cladding hulls were investigated using a home-made thermogravimetric analysis for a hull chlorination (TGA-HC) system. The reproducibility of the TGA-HC system was verified by repeated measurements at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0aac06c12cfc60ef38c7b115eae0193
https://doi.org/10.1016/j.jnucmat.2015.01.034
https://doi.org/10.1016/j.jnucmat.2015.01.034
Autor:
Kweon Ho Kang, Hwan Seo Park, Yong Taek Choi, Deok Yoon Kang, Do-Hee Ahn, Min Ku Jeon, Chang Hwa Lee
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 307:333-339
The reaction between cesium iodide (CsI) and chlorine gas was quantitatively investigated using a thermo-gravimetric analysis system. A comparison between calculated and experimental results on the chlorine molar flow rate revealed that the reaction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56927c977bea015b873eaa681e89bac7
https://doi.org/10.1007/s10967-015-4096-3
https://doi.org/10.1007/s10967-015-4096-3
Publikováno v:
Journal of the Nuclear Fuel Cycle and Waste Technology. 12:235-243
Surface oxidation behavior of ZIRLO (ZIRconium Low Oxidation) hulls was investigated using an X-ray photoelectron spectroscopy (XPS) technique. The effects of oxidation time (10-336 h at 500℃) and temperature (400-700℃ for 10 h) were studied. Dec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bbc33b4c9c891a4aafc4e306a670150
https://doi.org/10.7733/jnfcwt.2014.12.3.235
https://doi.org/10.7733/jnfcwt.2014.12.3.235
Autor:
Min Ku Jeon, Kweon Ho Kang, Yoo Lee Lee, Kyung-Tae Park, Chang Hwa Lee, Guen-Il Park, Yong Taek Choi
Publikováno v:
ECS Transactions. 64:609-615
The pyroelectrochemical process has been widely used for the treatment of used nuclear fuel owing to its high proliferation resistance as well as a substantial reduction capability of high level nuclear wastes by recovering valuable materials such as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83e5ba634e0bfd64d74ac479ddbb5702
https://doi.org/10.1149/06404.0609ecst
https://doi.org/10.1149/06404.0609ecst
Publikováno v:
Journal of Nuclear Materials. 449:93-100
The effect of pretreatment processes for the Zr electrorefining of oxidized Zircaloy-4 cladding tubes is examined in LiCl–KCl–ZrCl4 molten salts at 500 °C. The cyclic voltammetries reveal that the Zr dissolution kinetics is highly dependent on t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0ec99b1a68e2f878c81af8cf3697ec4
https://doi.org/10.1016/j.jnucmat.2014.02.034
https://doi.org/10.1016/j.jnucmat.2014.02.034
Publikováno v:
Journal of the Korean Radioactive Waste Society. 11:55-61
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70bb46e5dfb9c01f2cef96bbdaf6cdbf
https://doi.org/10.7733/jkrws.2013.11.1.55
https://doi.org/10.7733/jkrws.2013.11.1.55
Autor:
Yong Taek Choi, Chul Min Heo, Min Ku Jeon, Geun Il Park, Chang Hwa Lee, You Lee Lee, Kweon Ho Kang
Publikováno v:
Journal of the Korean Radioactive Waste Society. 11:69-75
reaction period of 0 – 2 h. The amount of reaction residue increased from 0.95 to 1.65wt% of initial weights in the fresh and Zry-500-10 (Zry-4 hulls oxidized at 500 o C for 10 h under an air atmosphere) hulls, respectively. The purity of the recov
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81a57ce3b3422fc3e6cc0de8e48b677e
https://doi.org/10.7733/jkrws.2013.11.1.69
https://doi.org/10.7733/jkrws.2013.11.1.69