Durability of Reagents for the Purification Plant of Radioactive Wastewater

Kuninobu Inada; Satoru Nakashima; Akihito Matsushima; Takeshi Saito; Kazuo Iwatani; Kiyoshi Shizuma

doi:10.12950/rsm2002.5.1

Kuninobu Inada, Satoru Nakashima, Akihito Matsushima, Takeshi Saito, Kazuo Iwatani, Kiyoshi Shizuma

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Keywords: RI draining, purification plant, durability of reagents, purification of effluent, measurement of radioactivity

JOURNAL FREE ACCESS

2006 Volume 5 Issue 1 Pages 1-4

DOI https://doi.org/10.12950/rsm2002.5.1

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Abstract

Time dependence of the removal ratio of reagents for the purification of radioactive wastewater was investigated at the Radioisotope Center of Hiroshima University.Comparison of the radioactive isotope (RI) concentration before and after purification showed that the removal ratio for¹⁴C decreased gradually by repeating the drainage, while the ratio for³H was relatively constant. Results for time dependence revealed that the removal efficiency reached a limit at treatment of300, 000liters of water, suggesting this volume is an upper limit for the disposal of effluent at our facility.

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