Earticle

초록

영어

Background: The purpose of this study is to purify uranium (U[VI])-contaminated soil-flushing effluent using the precipitation–distillation process for clearance. Precipitation and distillation are commonly used techniques for water treatment. We propose using a combination of these methods for the simple and effective removal of U(VI) ions from soil-flushing effluents. In addition, the U concentration (Bq/g) of solid waste generated in the proposed treatment process was analyzed to confirm whether it satisfies the clearance level. Materials and Methods: Uranium-contaminated soil was decontaminated by soil-flushing using 0.5 M sulfuric acid. The soil-flushing effluent was treated with sodium hydroxide powder to precipitate U(VI) ions, and the remaining U(VI) ions were removed by phosphate addition. The effluent from which U(VI) ions were removed was distilled for reuse as a soil-flushing eluent. Results and Discussion: The purification method using the precipitation–distillation process proposed in this study effectively removes U(VI) ions from U-contaminated soil-flushing effluent. In addition, most of the solid waste generated in the purification process satisfied the clearance level. Conclusion: The proposed purification process is considered to have potential as a soil-flushing effluent treatment method to reduce the amount of radioactive waste generated.

목차

ABSTRACT
Introduction
Materials and Methods
1. Materials
2. Preparation of U-Contaminated Soil-Flushing Effluent
3. Purification of the U-Contaminated Soil-Flushing Effluent
4. Analytical Methods
Results and Discussion
1. Decontamination of U-Contaminated Soil
2. Purification of the U-Contaminated Soil-Flushing Effluent
3. Proposed Process for Purifying the U-Contaminated Soil-Flushing Effluent
Conclusion
Conflict of Interest
Acknowledgements
Ethical Statement
Author Contribution
References

키워드

저자

• Hyun-Kyu Lee [ Radwaste Management Center, Korea Atomic Energy Research Institute, Daejeon, Korea ]
• Ilgook Kim [ Decommissioning Technology Research Division, Korea Atomic Energy Research Institute, Daejeon, Korea ]
• In-Ho Yoon [ Decommissioning Technology Research Division, Korea Atomic Energy Research Institute, Daejeon, Korea ]
• Wooshin Park [ Radwaste Management Center, Korea Atomic Energy Research Institute, Daejeon, Korea ]
• Seeun Chang [ Radwaste Management Center, Korea Atomic Energy Research Institute, Daejeon, Korea ]
• Hongrae Jeon [ Radwaste Management Center, Korea Atomic Energy Research Institute, Daejeon, Korea ]
• Sungbin Park [ Radwaste Management Center, Korea Atomic Energy Research Institute, Daejeon, Korea ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  방사선방어학회지 [Journal of Radiation Protection and Research]

• 간기

  계간

• pISSN

  2508-1888

• 수록기간

  1976~2026

• 등재여부

  KCI 등재,SCOPUS

• 십진분류

  KDC 559 DDC 629