Level l 5: : Cs/Sr+MA +Tc/I W Waste Minimization Il l Soo Soon - - PowerPoint PPT Presentation

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Pu 50 kg Per Canister

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Geological Disposal of SNF, HLW, ILW (in reducing granite~500m)

Level l 5: : Cs/Sr+MA +Tc/I W Waste Minimization

Il l Soo Soon n Hwang Hwang, , Reik eiko

• Fu

Fuji jita ta an and d Tad adash ashi i In Inou

• ue

Technical Mee eeting ting on

• n Advan

dvance ced Fu Fuel l Cycles for Waste Bur urde den n Minimisation

• Oct. 17

17-19 19, 201 2017 IAEA, VIC

Normal Scenario CHl Scenario IHI Scenario IAEA WBM )ct. 17-19, 2017

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Direct Disposal PUREX (99.9% Pu) ICRP Upper

IAEA

ICRP-ROK U Ore

• Adv. Pyrox (99.9% TRU)

Level 5

Dose Upon Human Intrusion after the Institutional Control Period (from EU-Red Impact Study Results & SNU Study on PyroGreen)

Human Intr Intrus usion ion Dos Dose

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IAEA WBM )ct. 17-19, 2017

Human Human Intr Intrus usion ion Risk Risk & & Potentia ial l Pu Pu Mine Mine

Scenarios INFCE, 1970 Peterson, 1996 Drill 2014

Repository in granite Repository in salt Yucca Mountain

Shaft drilling

• 4 months
• 25 M$
• 2~6 months •

6~8 weeks

• Vertical

1,430m/day

Tunnel excavation

• 12~18

months

• 100 M$
• 12~18

months

• 6 ~ 12 months
• 2.5~7.4 M$
• Horizontal

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IAEA WBM )ct. 17-19, 2017

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Repos epositor itory y Saf Safeguar guards C ds Cost

• st (in

(in pr prog

• gress

ess)

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Clandestine Clandestine Human Human Intr Intrusion(CHI) usion(CHI)

IAEA WBM )ct. 17-19, 2017

Safeguards measures Cost Ref

Seismicity 2,875 K$/yr Cost estimation for DGR (2003) Radiological environment monitoring 656 K$/yr Cost estimation for DGR (2003) Satellite monitoring TBD TBD Inspection 15 K$/person-day IAEA safeguards implementation (2015) Security guards

Advertent a Adversary Scenario Passive detection Timely interruption Security interruption Inspection interruption Defender Cost Cost Benefit Cost Benefit success success success Excavation No success No Outside No success fail success fail success fail fail Social Consequence Attacker

Pyro Pyroproce process ss-based based Level Level 5: Pyr : PyroGreen

• Green

IAEA WBM )ct. 17-19, 2017

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Cd Cd for Pyr Pyrop

• pro

roce cess ssing ing vs. . Bi Bi for Pyr PyroGr

• Gree

een

September 23, 2015 2015 Global, Paris, France 11

IAEA WBM )ct. 17-19, 2017

U13 nanoparticle formation

Proliferation-Resi sist stance of

• f Bi

Bi-base based PyroGr PyroGreen een

September 23, 2015 2015 Global, Paris, France 14

• Ab-initio modeling on Bi-U formation

IAEA WBM )ct. 17-19, 2017

Zr-Hull Electrorefining for ILW Burden Minimization

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IAEA WBM )ct. 17-19, 2017