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http://dx.doi.org/10.7733/jnfcwt.2017.15.3.191

Status of Development of Pyroprocessing Safeguards at KAERI  

Park, Se-Hwan (Korea Atomic Energy Research Institute)
Ahn, Seong-Kyu (Korea Atomic Energy Research Institute)
Chang, Hong Lae (Korea Atomic Energy Research Institute)
Han, Bo Young (Korea Atomic Energy Research Institute)
Kim, Bong Young (Korea Atomic Energy Research Institute)
Kim, Dongseon (Korea Atomic Energy Research Institute)
Kim, Ho-Dong (Korea Atomic Energy Research Institute)
Lee, Chaehun (Korea Atomic Energy Research Institute)
Oh, Jong-Myeong (Korea Atomic Energy Research Institute)
Seo, Hee (Korea Atomic Energy Research Institute)
Shin, Hee-Sung (Korea Atomic Energy Research Institute)
Won, Byung-Hee (Korea Atomic Energy Research Institute)
Ku, Jeong-Hoe (Korea Atomic Energy Research Institute)
Publication Information
Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) / v.15, no.3, 2017 , pp. 191-197 More about this Journal
Abstract
The Korea Atomic Energy Research Institute (KAERI) has developed a safeguards technology for pyroprocessing based on the Safeguards-By-Design (SBD) concept. KAERI took part in a Member-State Support Program (MSSP) to establish a pyroprocessing safeguards approach. A Reference Engineering-scale Pyroprocessing Facility (REPF) concept was designed on which KAERI developed its safeguards system. Recently the REPF is being upgraded to the REPF+, a scaled-up facility. For assessment of the nuclear-material accountancy (NMA) system, KAERI has developed a simulation program named Pyroprocessing Material Flow and MUF Uncertainty Simulation (PYMUS). The PYMUS is currently being upgraded to include a Near-Real-Time Accountancy (NRTA) statistical analysis function. The Advanced Spent Fuel Conditioning Process Safeguards Neutron Counter (ASNC) has been updated as Non-Destructive Assay (NDA) equipment for input-material accountancy, and a Hybrid Induced-fission-based Pu-Accounting Instrument (HIPAI) has been developed for the NMA of uranium/transuranic (U/TRU) ingots. Currently, performance testing of Compton-suppressed Gamma-ray measurement, Laser-Induced Breakdown Spectroscopy (LIBS), and homogenization sampling are underway. These efforts will provide an essential basis for the realization of an advanced nuclear-fuel cycle in the ROK.
Keywords
Pyroprocessing; Safeguards; REPF; PYMUS; ASNC; HIPAI; LIBS;
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