Republic of Korea: experience of radioactive waste (RAW) management and contaminated site clean-up

Yun, Jong-Il; Jeong, Yong Hoon; Kim, J.H.

doi:10.1533/9780857097446.2.673

Cited by 4 publications

(2 citation statements)

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“…Korea is participating in collaborative projects using pyroprocessing technology [1]. According to the United StatesRepublic of Korea agreement on pyroprocessing, the first stage of the Korea Advanced Pyroprocessing Facility is planned for 2021 with commercial-scale demonstration by 2025 [1]. The technology has been under development at the Korea Atomic Energy Research Institute since 1997 and was tested in a pilot-scale study in 2007.…”

Section: Page 2 Of 17mentioning

confidence: 99%

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Component effects on crystallization of RE-containing aluminoborosilicate glass

Fadzil

Hrma

Schweiger

et al. 2016

Journal of Nuclear Materials

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Lanthanide-aluminoborosilicate (LABS) glass is one option for immobilizing rare earth (RE) oxide fission products generated during reprocessing of pyroprocessed fuel. This glass system can accommodate a high loading of RE oxides and has excellent chemical durability. The present study describes efforts to model equilibrium crystallinity as a function of glass composition and temperature as well as liquidus temperature (T L) as a function of glass composition. The experimental method for determining T L was ASTM C1720-11. Typically, three crystalline phases were formed in each glass: Ce-borosilicate (Ce 3 BSi 2 O 10), mullite (Al 10 Si 2 O 19), and corundum (Al 2 O 3). Cerianite (CeO 2) was a common minor crystalline phase and Nd-silicate (Nd 2 Si 2 O 7) occurred in some of the glasses. In the composition region studied, T L decreased as SiO 2 and B 2 O 3 fractions increased and strongly increased with increasing fractions of RE oxides; Al 2 O 3 had a moderate effect on the T L but, as expected, it strongly affected the precipitation of Al-containing crystals.

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Section: Page 2 Of 17mentioning

confidence: 99%

“…The process includes pre-treatment, electroreduction, electrorefining, electrowinning, and waste salt treatment [1,3].…”

Section: Page 2 Of 17mentioning

confidence: 99%