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방사성 콘크리트 폐기물의 국내외 처리기술 개발 동향

Trends in Technology Development for the Treatment of Radioactive Concrete Waste

  • 투고 : 2017.08.08
  • 심사 : 2017.10.27
  • 발행 : 2018.03.30

초록

향후 원자력시설 해체 시 막대한 양의 해체 콘크리트 폐기물이 발생할 수 있음을 감안하였을 때, 방사성 콘크리트 폐기물의 최적 처리기술에 대한 면밀한 검토와 향후 기술개발 방향에 대한 논의는 반드시 필요하다. 본 논문에서는 방사성 콘크리트 폐기물의 국내외 발생 사례를 종합해 보고, 처리 대상이 되는 방사성 콘크리트 폐기물의 특성을 검토하였다. 또한, 종래의 방사성 콘크리트 처리기술로써 기계적 제염기술, 화학적 제염기술, 부피감용기술, 재활용 및 고화기술에 대한 국내외 적용사례를 정리하고 기술 개발 동향을 살펴봄으로써 기존 기술의 한계점을 파악하고 기술 고도화 방향을 고찰해 보고자 한다.

In Korea, a huge amount of radioactive concrete waste will be generated through decommissioning of nuclear facilities in the near future; therefore, optimum technology for the treatment of concrete waste should be reviewed thoroughly and the future direction of technology development should be discussed. In this paper, many domestic and foreign examples of generation of radioactive concrete waste were pieced together and the characteristics of radioactive concrete waste were examined. Moreover, we reviewed trends in technology development by analyzing the examples of various studies and practical applications of treatment technologies, such as mechanical decontamination, chemical decontamination, volume reduction, recycling and solidification, and also tried to understand the limitations of existing technologies and determine a direction for technical improvement.

키워드

참고문헌

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피인용 문헌

  1. 원전해체 콘크리트 폐기물 처분 현황 및 연구 사례 vol.15, pp.2, 2018, https://doi.org/10.14190/mrcr.2020.15.2.045
  2. 원전 방사성 콘크리트 기계적 절단의 방사성 에어로졸에 대한 작업자 내부피폭선량 평가 vol.18, pp.2, 2018, https://doi.org/10.7733/jnfcwt.2020.18.2.157
  3. A Study on the Evaluation of Surface Dose Rate of New Disposal Containers Though the Activation Evaluation of Bio-Shield Concrete Waste From Kori Unit 1 vol.19, pp.1, 2018, https://doi.org/10.7733/jnfcwt.2021.19.1.133
  4. 원전 해체 콘크리트 폐기물의 재활용에 대한 고찰 vol.54, pp.2, 2021, https://doi.org/10.9719/eeg.2021.54.2.285