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초록
AI-Helper 아이콘AI-Helper

사용후핵연료의 효율적 관리를 위하여 한국원자력연구원에서 수행 중인 파이로 공정으로부터 발생되는 폐기물 처리기술에 대한 최근 연구동향을 종합적으로 고찰하였다. 파이로 폐기물 처리기술은 처분 대상 폐기물의 감용 및 포장, 저장과 최종 처분에 적합한 고화체 제조를 목표로 하고 있다. 한국원자력연구원에서 수행 중인 파이로 폐기물 처리 기술개발 접근 방향은 공정 흐름으로부터 발생한 폐기물내 주요 핵종들을 분리하고 회수한 물질 등을 재사용함으로서 폐기물 발생량을 최소로 하며 동시에 분리한 핵종을 별도로 고화처리하는 것이다. 폐기물 처리 주요 기술 특성은 먼저 전해환원용 원료물질 제조를 위하여 전처리 고온 열처리 공정을 사용하며, LiCl 과 LiCl-KCl 염으로부터 핵종을 분리하고 회수염의 재사용 및 핵종 함유량을 증대시킨 최종 고화체 제조 기술을 개발하는 것이다. 따라서 실험실 규모 실험 결과를 토대로 최근에는 공정 용량 증대를 위한 자료 확보를 목적으로 공학규모 시험을 수행 중에 있다.

Abstract AI-Helper 아이콘AI-Helper

This study comprehensively addresses recent progress at KAERI in waste treatment technology to cope with waste produced by pyroprocessing, which is used to effectively manage spent fuel. The goal of pyroprocessing waste treatment is to reduce final waste volume, fabricate durable waste forms suitabl...

주제어

참고문헌 (41)

  1. H.S. Lee, G.I. Park, K.H. Kang, J.M. Hur, J.K. Kim, D.H. Ahn, Y.Z. Cho, and E.H.Kim, "Pyroprocessing Technology Development at KAERI", Nucl. Eng. Technol., 43(4), 317-328 (2011). 

  2. H.S. Lee, G.I. Park, J.W. Lee, K.H. Kang, J.M. Hur, J.K. Kim, S.W. Paek, I.T. Kim, and I.J. Cho, "Current Status of Pyroprocessing Development at KAERI", Sci. Technol. Nucl. Install., 2013, 1-11 (2013). 

  3. G.I. Park, H.S. Park, K.H. Kang, J.M. Shin, and J.C. Lee. Development of Pyroprocess Waste Treatment Technology, Korea Atomic Energy Research Institute Report, KAERI/ RR-3887/2014 (2015). 

  4. B. Westphal, J.J. Park, J.M. Shin, and G.I. Park, "Selective Trapping of Volatile Fission Products with an Off-gas Treatment System", Sep. Sci. Technol., 43(9-10), 2695-2708 (2008). 

  5. M.K. Jeon, K.H. Kang, G.I. Park, and Y.S. Lee, "Chlorination Reaction Behavior of Zircaloy-4 Hulls : Experimental and Theoretical Approaches", J. Radioanal. Nucl. Chem., 292, 513-517 (2012). 

  6. J. H. Choi, T. K. Lee, K. R. Lee, S. Y. Han, Y. Z. Cho, N. Y. Kim, S. A. Jang, H. S. Park, and J. M. Hur, "Melt-crystallization Monitoring System for the Purification of 10 kg- scale LiCl Salt Waste", Nucl. Eng. Des., 326, 1 (2018). 

  7. K.R. Lee, B.J. Riley, H.S. Park, J-H Choi, S.Y. Han, J.M. Hur, J.A. Petterson, Z. Zhu, D.K. Schreiber, K. Kruska, and M.J. Olszta, "Investigation of Physical and Chemical Properties for Upgraded SAP ( $SiO_2-Al_2O_3-P_2O_5$ ) Waste Form to Immobilize Radioactive Waste Salt", J. Nucl. Mater., 515, 382-391 (2019). 

  8. J.M. Shin, J.J. Park, K.C. Song, and J.H. Kim, "Trapping Behavior of Gaseous Cesium by Fly Ash Filters", Appl. Radiat. Isotopes, 67(7-8), 1534-1539 (2009). 

  9. J.H. Yang, J.M. Shin, J.J. Park, G.I. Park, and M.S. Yim, "Novel Synthesis of Bismuth-based Adsorbents for the Removal of $^{129}I$ in Off-gas", J. Nucl. Mater., 457, 1-9 (2015). 

  10. J.H. Yang, H.S. Park, and Y.Z. Cho, "Immobilization of Cs-trapping Ceramic Filters within Glass-ceramic Waste Forms", Annals of Nucl. Energy, 110, 1121-1126 (2017). 

  11. K.R. Lee, H.S. Park, I.H. Cho, J.H. Choi, H.C. Eun, T.K. Lee, S.Y. Han, and D.H. Ahn, "De-chlorination and Solidification of Radioactive LiCl Waste Salt by Using $SiO_2-Al_2O_3-P_2O_5$ (SAP) Inorganic Composite including $B_2O_3$ Component", Korean. J. Chem. Eng., 34, 2390-2396 (2017). 

  12. H.S. Park, I.T. Kim, Y.Z. Cho, H.C. Eun, and H.S. Lee, "Stabilization/Solidification of Radioactive Salt Waste by Using $xSiO_2-yAl_2O_3-zP_2O_5$ (SAP) Material at Molten Salt State", Environ. Sci. Technol., 42, 9357-9362 (2008). 

  13. Y. Z. Cho, T.K. Lee, H.C. Eun, J.H. Choi, I.T. Kim, and G.I. Park, "Purification of Used Eutetci (LiCl-KCl) Salt Electrolyte from Pyrprocessing", J. Nucl. Mater., 439, 47-54 (2013). 

  14. H.C. Eun, J.H. Choi, N.Y. Kim, S.Y. Han, K.R. Lee, H.S. Park, and D.H. Ahn, "A Study on the Treatment of Waste Electrolytes from the Pyrochemical Process of Used Nuclear Fuel", NUTHOS-11 : The 11th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operations and Safety, October 9-13, Gyeongju, Korea, 1-8 (2016). 

  15. H.C. Eun, J.H. Choi, N.Y. Kim, T.K. Lee, S.Y. Han, S.A. Jang, T.J. Km, H.S. Park, and .H. Ahn, "A Study of Separation and Solidification of Group II Nuclides in Waste Salt Delivered from the Pyrochemical Process of Used Nuclear Fuel", J. Nucl. Mater., 491, 149-153 (2017). 

  16. I.H. Cho, H.S. Park, K.R. Lee, J.H. Choi, I.T. Kim, J.M. Hur, and Y.S. Lee, "Treatment of Radioactive Waste Salt by Using Synthetic Silica-based Phosphate Composite for De-chlorination and Solidification", J. Nucl. Mater., 493, 388-397 (2017). 

  17. K.R. Lee, H.S. Park, I.H. Cho, J.H. Choi, H.C. Eun, T.K. Lee, S.Y. Han, and D.H. Ahn, "Dechlorination and Solidification of Radioactive LiCl Waste Salt by Using $SiO_2-Al_2O_3-P_2O_5$ (SAP) Inorganic Composite including $B_2O_3$ Component", Korean. J. Chem. Eng., 34, 2390-2396 (2017). 

  18. J.H. Choi, I.H. Cho, H.C. Eun, H.S. Park, Y. Z. CHO, K.R Lee, G.I. Park, S.H. Kim, C.H. Shin, and J.K. Kim, "Fabrication and Physical Properties of Lanthanide Oxide Glass Waste Form for the Immobilization of Lanthanide Oxide Wastes Generated from yrochemical Process", J. Radioanal. Nucl. Chem., 299, 1731-1738 (2014). 

  19. K.H. Kang, C.H. Lee, M.K. Jeon, and G.I. Park. Treatment Technology of Hull Wastes, Korea Atomic Energy Research Institute Report, KAERI/TR-5288/2013 (2013). 

  20. D.M. Strachan, J.V. Crum, M.R. Zumhoff, C.C. Bovaird, C.F. Windisch, Jr., and B.J. Riley, "Epsilon Metal Summary Report Fiscal Year 2011", FCRD-WAST-2011-000389, Pacific Northwest National Laboratory, Richland, WA. (2011). 

  21. M.F. Simpson, "Development of Spent Nuclear Fuel Pyroprocessing Technology at Idaho National Laboratory", INL/EXT-12-25124, Idaho National Laboratory, Idaho Falls, ID. (2011). 

  22. J.J. Park, J.W. Lee, and G.I. Park. Development of Advanced Voloxidation Process for Treatment of Spent Fuel, Korea Atomic Energy Research Institute Report, KAERI/ RR-3212/2009, Korea (2010). 

  23. J.J. Park, J.M. Shin, J.H. Yang, Y.H. Baek, J.W. Yoo, and G.I. Park. Fly-ash Granule Filter for Trapping Gaseous Cesium, Korea Atomic Energy Research Institute Report, KAERI/TR-5277/2013, Korea (2013). 

  24. J.H. Yang, J.Y.Yoon, J.H. Lee, S.M. Hong, and Y.Z. Cho, "Trapping Characteristics of Cesium Iodide by Aluminosilicate Filter", KRS 2017 Autumn Meeting : Korean Radioactive Waste Society, October 18-20, Changwon, Korea (2017) 

  25. J.H. Yang, J.Y. Yoon, J.H. Ju, and Y.Z. Cho, "A Kaolinite-based Filter to Capture Gaseous Cesium Compounds in Off-gas Released during the Pyroprocessing Head-end Process", Annals of Nucl. Energy, 103, 29-35 (2017). 

  26. B.S. Choi, G.I. Park, J.H. Kim, S.K. Ryu, and J.W. Lee, "Adsorption Equilibrium and Dynamics of Methyl Iodide in a Silver Ion-exchanged Zeolite Column at High Temperatures", J. Radioanal. Nucl. Chem., 7(2), 91-193 (2001). 

  27. D.R. Haefner and, T.J. Tranter, "Methods of Gas Phase Capture of Iodine from Fuel Reprocessing Off-gas : A Literature Survey", INL/EXT-07-12299, Idaho National Laboratory, Idaho Falls, ID. (2007). 

  28. W.R.A. Goossens, G.G. Eichholz, and D.W. Tedder. 1991. "Treatment of Gaseous Effluents at Nuclear Facilities", Harwood Academic Publishers, The University of California 118-119 (1991). 

  29. P. Taylor, "A Review of Methods for Immobilizing Iodine-129 Arising from a Nuclear Fuel Recycle Plant, with Emphasis on Waste-form Chemistry", Atomic Energy of Canada Limited, AECL-10163, Pinawa, MB. (1990). 

  30. Y. Yokomori, K. Asazuki, N. Kamiya, Y. Yano, K. Alamatsu, T. Toda, A. Aruga, Y. Kaneo, S. Matsuoka, and S. Matsumoto, "Final Storage of Radioactive Cesium by Pollucite Hydrothermal Synthesis", Sci. Rep., 4, 4195-4201 (2014). 

  31. J.H. Yang, A. Han, J.Y. Yoon, H.S. Park, and Y.Z. Cho, "A New Route to the Stable Capture and Final Immobilization of Radioactive Cesium", J. Hazard. Mater., 339, 73-81 (2017). 

  32. J.H. Yang, H.S. Park, and Y.Z. Cho, "Silver Phosphate Glasses for Immobilization of Radioactive Iodine", Annals of Nucl. Energy, 110, 208-214 (2017). 

  33. Y. Z. Cho, B. G. Ahn, H. C. Eun, J. S. Jung, and H. S. Lee, "Melt Crystallization Process Treatment of LiCl Salt Waste Generated from Electrolytic Reduction Process of Spent Oxide Fuel", Energy Procedia, 7, 525-531 (2011). 

  34. Y. Z. Cho, G. I. Park, H. S. Lee, I. T. Kim, and D. S. Han, "Concentration of Cesium and Strontium Elements Involved in a LiCl Waste Salt by a Melt Crystallization Process", Nucl. Technol., 171, 325-330 (2010). 

  35. J. H. Choi, Y. Z. Cho, T. K. Lee, H. C. Eun, J. H. Kim, I. T. Kim, G. I. Park, and J. K. Kang, "Inclusion Behavior of Cs, Sr, and Ba Impurities in LiCl Crystal Formed by Layer Melt Crystallization: Combined First-principles Calculation and Experimental Study", J. Cryst. Growth, 371, 84-90 (2013). 

  36. M.K. Jeon, C.J. Park, C.H. Lee, K.H. Kang, and G.I. Park, "Simulation of Radioactivation and Chlorination Reaction Behavior for Zircaloy-4 and Zirlo Cladding Hull Wastes", J. Radioanal. Nucl. Chem., 292(3), 1221-1228 (2012). 

  37. M.K. Jeon, C.H. Lee, C.J. Park, J.H. Choi, I.H. Cho, K.H. Kang, H.S. Park, and G.I. Park, "Effect of Burnup on the Radioactivation Behavior of Cladding Hull Materials Studied using the ORIGEN-S Code", J. Radioanal. Nucl. Chem., 298(3), 1629-1633 (2103). 

  38. M.K. Jeon, K.H. Kang, C.M. Heo, J.H. Yang, C.H. Lee, and G.I. Park, "Effect of Oxidation Conditions on Chlorination Reaction of Zircaloy-4 Hulls", J. Nucl. Mater., 424(1-3),153-157 (2012). 

  39. T. Inoue, "Actinide Recycling by Pyro-process with Metal Fuel FBR for Future Nuclear Fuel Cycle System", Prog. in Nucl. Energy, 40, 547-554 (2002). 

  40. C.H. Lee, K.H. Kang, M.K. Jeon, C.M. Heo, and Y.L. Lee, "Electrorefining of Zirconium from Zircaloy-4 Cladding Hulls in LiCl-KCl Molten Salts", J. the Electrochem. Soc., 159(8), D463-468 (2012). 

  41. S.Y. Han, S.A. Jang, and H.S. Park, "Microstructure and Corrosion Properties on Zr-Cr-NM Alloy Metallic Waste Form for Long Term Disposal", KRS 2017 Spring Meeting : Korean Radioactive Waste Society, May 24-26, Busan, Korea (2017). 

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