Korea Atomic Energy Research Institute

Korea Hydro Nuclear Power Co., Ltd.

In Tae Kim

Hwan Seo Park

Geun Il Park

Jung Hoon Choi

Hong Joo Ahn

Hee Chul Eun

Ki Rak Lee

Hyun Woo Kang

Yung Zun Cho

Tae Kyo Lee

The present invention relates to a method of separating and removing a radioactive nuclide, particularly, C-14 and tritium from a radioactive waste resin, and an equipment therefor. The method of treating a radioactive waste resin of the present invention includes recycling of condensate water from which a C-14 radionuclide in the condensate water is removed, into a treatment part for a radioactive waste resin.

Method of treating radioactive waste resin and an equipment therefor

Disclosed herein is a method of separating group II nuclides from a radioactive waste lithium chloride salt and recovering renewable lithium chloride, comprising the steps of: injecting lithium oxide into a lithium chloride salt containing group II nuclides to convert the group II nuclides into thermally-stable oxide or oxychloride; and vaporizing and condensing the lithium chloride salt under a reduced pressure condition to separate the group II nuclides and recover recyclable lithium chloride. The method is advantageous in that group II nuclides existing in the form of chloride, which is not highly thermally-stable in a lithium chloride (LiCl) to salt and is not easily solidified, can be converted into oxides or oxychlorides, which is highly thermally-stable in the lithium chloride (LiCl) salt and is easily solidified, without producing impurities.

Method of separating group II nuclides from radioactive waste lithium chloride salt and recovering pure lithium chloride using lithium oxide

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Daejeon, South Korea

In Tae Kim