Level l 5: : Cs/Sr+MA +Tc/I W Waste Minimization Il l Soo Soon n Hwang Hwang, , Reik eiko o Fu Fuji jita ta an and d Tad adash ashi i In Inou oue Technical Mee eeting ting on on Advan dvance ced Fu Fuel l Cycles for Waste Bur urde den n Minimisation Oct. 17 17-19 19, 201 2017 IAEA, VIC 1 2 IHI Scenario Normal Scenario 3 CHl Scenario Pu 50 kg Per Canister Geological Disposal of SNF, HLW, ILW (in reducing granite~500m) IAEA WBM )ct. 17-19, 2017 1
Human Intr Intrus usion ion Dos Dose Dose Upon Human Intrusion after the Institutional Control Period (from EU-Red Impact Study Results & SNU Study on PyroGreen) Direct Disposal PUREX (99.9% Pu) Adv. Pyrox (99.9% TRU) ICRP Upper IAEA ICRP-ROK U Ore Level 5 IAEA WBM )ct. 17-19, 2017 5
Human Human Intr Intrus usion ion Risk Risk & & Potentia ial l Pu Pu Mine Mine INFCE, 1970 Peterson, 1996 Drill 2014 Scenarios Repository in Repository in salt Yucca Mountain granite • • 2~6 months • • Shaft drilling 4 months 6~8 weeks Vertical • 25 M$ 1,430m/day • • • • Tunnel 12~18 12~18 6 ~ 12 months Horizontal • excavation months months 2.5~7.4 M$ • 100 M$ IAEA WBM )ct. 17-19, 2017 8 3
Clandestine Human Clandestine Human Intr Intrusion(CHI) usion(CHI) Repos epositor itory y Saf Safeguar guards C ds Cost ost (in (in pr prog ogress ess) Advertent a Adversary Scenario Passive detection Timely interruption Security interruption Inspection interruption Consequence Defender Attacker Social Cost Cost Benefit Cost Benefit success success 0 success Excavation No 0 success No 0 Outside No success fail 0 success fail 0 success fail 0 fail 0 Safeguards measures Cost Ref Seismicity 2,875 K$/yr Cost estimation for DGR (2003) Radiological environment 656 K$/yr Cost estimation for DGR (2003) monitoring Satellite monitoring TBD TBD Inspection 15 K$/person-day IAEA safeguards implementation (2015) Security guards 4 IAEA WBM )ct. 17-19, 2017
Pyro Pyroproce process ss-based based Level Level 5: Pyr : PyroGreen oGreen IAEA WBM )ct. 17-19, 2017 5
Cd Cd for Pyr Pyrop opro roce cess ssing ing vs. . Bi Bi for Pyr PyroGr oGree een IAEA WBM )ct. 17-19, 2017 September 23, 2015 2015 Global, Paris, France 11
Proliferation-Resi sist stance of of Bi Bi-base based PyroGr PyroGreen een U 13 nanoparticle formation • Ab-initio modeling on Bi-U formation IAEA WBM )ct. 17-19, 2017 September 23, 2015 2015 Global, Paris, France 14
Zr-Hull Electrorefining for ILW Burden Minimization IAEA WBM )ct. 17-19, 2017 22
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