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자료유형
학술저널
저자정보
변재훈 (울산과학기술원) 최우년 (울산과학기술원) 김희령 (울산과학기술원)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제1호
발행연도
2021.1
수록면
273 - 281 (9page)
DOI
https://doi.org/10.1016/j.net.2020.06.012

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The radiological safety of the spent resin treatment facility with a14C treatment capacity of 1 ton/day wasevaluated in terms of the external and internal exposure of worker according to operation scenario. Interms of external dose, the annual dose for close work for 1 h/day at a distance of more than 1 m(19.8 mSv) satisfied the annual dose limit. For 8 h of close work per day, the annual dose exceeded thedose limit. For remote work of 2000 h/year, the annual dose was 14.4 mSv. Lead shielding was consideredto reduce exposure dose, and the highest annual dose during close work for 1 h/day corresponded to6.75 mSv. For close work of 2000 h/year and lead thickness exceeding 1.5 cm, the highest value of annualdose was derived as 13.2 mSv. In terms of internal exposure, the initial year dose was estimated to be1.14Eþ03 mSv when conservatively 100% of the nuclides were assumed to leak. The allowable outflowrate was derived as 7.77E-02% and 2.00E-01% for the average limit of 20 mSv and the maximum limit of50 mSv, respectively, where the annual replacement of the worker was required for 50 mSv. ⓒ 2020 Korean Nuclear Society, Published by Elsevier Korea LLC. This is an open access article under

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