[논문]Accumulation of naturally occurring radioactive materials on the filters utilized in bottled mineral-water facilities

Shin, Woosik; Choung, Sungwook; Han, Jeong-Hee; Han, Weon Shik; Jeon, Sodam; Ryu, Jong-Sik; Chang, Byung-Uck

doi:10.1016/j.apgeochem.2017.01.005

Accumulation of naturally occurring radioactive materials on the filters utilized in bottled mineral-water facilities

Applied geochemistry : journal of the International Association of Geochemistry and Cosmochemistry, v.85 pt.B, 2017년, pp.154 - 161

Shin, Woosik (Division of Earth and Environmental Sciences, Korea Basic Science Institute (KBSI), Cheongju 28119, Republic of Korea) , Choung, Sungwook (Division of Earth and Environmental Sciences, Korea Basic Science Institute (KBSI), Cheongju 28119, Republic of Korea) , Han, Jeong-Hee (Division of Earth and Environmental Sciences, Korea Basic Science Institute (KBSI), Cheongju 28119, Republic of Korea) , Han, Weon Shik (Department of Earth System Sciences, Yonsei University, Seoul 03722, Republic of Korea) , Jeon, Sodam (Division of Earth and Environmental Sciences, Korea Basic Science Institute (KBSI), Cheongju 28119, Republic of Korea) , Ryu, Jong-Sik (Division of Earth and Environmental Sciences, Korea Basic Science Institute (KBSI), Cheongju 28119, Republic of Korea) , Chang, Byung-Uck (Korea Institute of Nuclear Safety (KINS), Daejeon 34142, Republic of Korea)

Abstract ▼ AI-Helper

Bottled mineral-water is typically produced through filtering processes of groundwater in many countries. Although naturally occurring radioactive materials (NORMs) are present in ambient groundwater, the accumulation of NORMs to filters used by bottled mineral-water plants and their total radioactivity was never studied. The radioactivity of NORMs in water and filter samples were determined for a total of thirteen bottled mineral-water facilities in Korea. The NORM levels were quite low in raw water (i.e., groundwater before filtered), and uranium and radon contents were lowered after filtering. However, minor increases of uranium concentration were observed after the treatment processes in two mineral-water plants used only membrane filters. The measured surface radiations sharply increased at the filters installed at the front of water treatment processes regardless of filter types. Diverse radionuclides including lead and polonium were found inside these filters with comparatively high radioactivity. In particular, the estimated total radioactivity of one of the used filters exceeded 1 Bq g(-1) and 1000 kBq yr(-1) that are the guideline values regulated by the Nuclear Safety and Security Commission in Korea for by-products occurring after any treatment processes. The elevated radiation may result in potential risk during bottling, transport, and disposal processes, therefore, proper management and disposal of the filters should be considered in bottled mineral-water treatment facilities. (C) 2017 Elsevier Ltd. All rights reserved.

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Accumulation of naturally occurring radioactive materials on the filters utilized in bottled mineral-water facilities

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Accumulation of naturally occurring radioactive materials on the filters utilized in bottled mineral-water facilities

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