| 摘要 |
PROBLEM TO BE SOLVED: To provide a tritium decontamination device removing contamination, where after single body element-like tritium dissociates, it will not adhere to apparatus surface again. SOLUTION: A decontamination object 9 of tritium is stored in a sealed decontamination vessel 1. The decontamination object 9 is irradiated with the ultraviolet light from an ultraviolet laser 3 via an irradiation optical system 3. A cylinder 5 supplies an inert gas containing anyone from among stable hydrogen isotopic molecular species, that is, hydrogen gas (H<SB>2</SB>, HD and D<SB>2</SB>)and steam (H<SB>2</SB>O, HDO and D<SB>2</SB>O) to the sealed decontamination vessel 1. COPYRIGHT: (C)2006,JPO&NCIPI
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