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자료유형
학술저널
저자정보
김계남 (한국원자력연구원) 원휘준 (한국원자력연구원) 정종헌 (한국원자력연구원) 오원진 (경북대학교) 이성열 (한국원자력연구소) 박진호 (한국원자력연구소)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제22권 제5호
발행연도
2005.1
수록면
448 - 455 (8page)

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When PFC(Perfluorocarbonate) decontamination technology is applied to removal of radioactive contaminated particulate adhered at surface during the operation of nuclear research facilities, it was necessary to develop a filtration equipment to reuse of PFC solution due to its high price, also to minimize the volume of secondary waste. A contaminated characteristic of hot particulate was investigated and a filtration process was presented to remove suspended radioactive particulate from the wastewater generated on PFC decontamination. The range of size of hot particulate adhered at the surface of research facilities measured by SEM was 0.1~10m. Hot particulate of more than 2m in PFC contamination wastewater was removed by first filter and then hot particulate of more than 0.2m was removed by secondary filter. Results of filter experiments showed that filtration efficiency of PVDF(Poly vinylidene fluoride), PP(Polypropylene), Ceramic filter were 95~97%. A ceramic filter showed a higher filtration efficiency with a little low permeate volume. But a ceramic of inorganic compound could be broken easily during experiment and has a high price. In comparison with polymeric PVDF and PP, a ceramic filter was highly stable against radioactivity, which generate H2 gas in alpha radioactivity environment.

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