Technical Meeting on the Management of Spent Fuel (Pebbles and Compacts) from High Temperature Reactors

Meeting Material

Monday, 7 July 2025
14:00 – 14:15	1.	Welcome Address  DIR-NEFW  SH-NFCMS	Ms Olena Mykolaichuk (IAEA)  Mr Clément Hill (IAEA)
14:15 – 14:45	2.	Opening Remarks - Scientific Secretaries  Overall Objectives of the Technical Meeting   Introduction of Participants  Adoption of the Agenda	Ms Amparo Gonzalez-Espartero (IAEA)
14:45 – 15:30	3.	IAEA Coordinated Research Project on Challenges, Gaps and Opportunities for Managing Spent Fuel from SMR Technologies	Ms Amparo Gonzalez-Espartero (NFCMS, IAEA)
15:30 – 16:00 Coffee Break
16:00 – 16:25	4.	IAEA Activities on High-Temperature Gas‑Cooled Reactors (HTGRs)	Mr Hadid Subki   (NPTDS, IAEA)
16:25 – 16:50	5.	IAEA Activities on HTR Fuel. Recent Publication and Coordinated Research Project.	Ms Anzhelika Khaperskaia (NFCMS, IAEA)
16:50 – 17:15	6.	Status of the Preparation of the IAEA Booklet on Roadmap for Developing HTGR Spent Fuel Management Programme.   Work to be completed during the Technical Meeting.	Mr David Hambley (UK)
17:15 – 17:30	7.	Safety issues and Challenges and IAEA activities on safety of fuel cycle facilities	Mr Lakshman Valiveti   (NSNI, IAEA)
Adjourn 17:30

 

---

 

Tuesday, 8 July 2025
9:00 – 9:30	8.	IAEA Activities on Managing i-Graphite	Ms Karina Lange   (WTS, IAEA)
9:30 – 10:30	9.	Presentation on Graphite and Irradiated Graphite	Ms Abbie Jones (UK)
10:30-11:00 Coffee Break
11:00 – 12:00	10.	Discussion on Graphite Information to be Included in the Draft Roadmap Booklet	All
12:00-13:15 Lunch Break
13:15 – 13:40	11.	Facilitating SMR Fuel Fabrication from HALEU UF6	Ms Marina Sokcic-Kostic (Germany)
13:40 – 14:05	12.	On Accounting the Materials in the Pb-HTR Spent Fuels Based on the Random Fuel Shuffling Algorithm	Mr Bing Xia (China)
14:05 – 14:30	13.	Demonstration Plan for Head-End Process of HTGR Spent Fuel Reprocessing in Japan	Mr Yuji Fukaya (Japan)
14:30 – 14:55	14.	Recent Progress of Treatment Research for HTGR’s Spent Spherical Fuels in China	Ms Xiaotong Chen (China)
14:55-15:25 Coffee Break
15:25 – 15:50	15.	HTGR SNF Reprocessing Technology Development in Russia	Ms Elizaveta Filimonova (Russian Federation)
15:50 – 16:15	16.	HTGR Spent Fuel and Waste Generation and Management in the Framework of EURAD-2 WP4 FORSAFF	Mr Jesus Martinez (Spain)
16:15 – 17:30	17.	Discussion on Information About HTGR Spent Fuel Recycling to be Included in the Draft Roadmap Booklet	Mr David Hambley (UK)  All
Adjourn 17:30
19:00 - Partially-Hosted Hospitality Event   https://www.strandcafe-wien.at/   Florian-Berndl-Gasse 20, 1220 Wien

 

---

 

Wednesday, 9 July 2025
9:00 – 9:25	18.	Spent Fuel Management in HTR-PM	Mr Fu Li (China)
9:25 – 10:05	19.	Management of Spent Fuel from High‑Temperature Gas-Cooled Reactors in US	Ms Laura Price (USA)
10:05 – 10:40	20.	UK Regulatory Expectations for Management of HTGR Spent Fuel	Mr Greg Black (UK)
10:40-11:05 Coffee Break
11:05 – 11:30	21.	Experience on the Management of HTGR Spent Fuel at the WWR-K Reactor	Mr Asset Shaimerdenov (Kazakhstan)
11:30 – 12:00	22.	Spent Fuel Management in the decommissioning process for the AVR and THTR-300 HTRs	Mr Karl Verfondern (Germany)
12:00 – 12:30	23.	Operational Experience in Germany for Managing Spent Pebble Fuels	Mr Roland Hüggenberg (Germany)
12:30-13:40 Lunch Break
13:40 – 14:20	24.	Research and Development on HTR Spent Pebble Fuel	Mr Karl Verfondern (Germany)
14:20 – 14:45	25.	Managing Spent TRISO Fuel for High Temperature Reactors Using Deep Isolation’s Universal Canister System	Mr Jesse Sloane (USA)
14:45 – 15:00	26.	Canister Internal Conditioning & Stabilization System (CIC&S) Technologies for CANDU SNF in SC108 Cask, for PWR SNF in TC21 Cask and Opportunities of Adoption of CIC&S Technologies for TRISO - Compact SNF of HTR Reactors	Mr Muhammad Saadullah  (Pakistan)
15:00 – 15:15	27.	Technical Challenges in the Management of Spent TRISO Fuel from Next Generation SMR-HTGRs	Ms Rowayda Fayez M. AbouAlo (Egypt)
15:15-15:40 Coffee Break
15:40 – 16:10	28.	Spent Nuclear Fuel Aspects in Evaluating Jordan's Options for the First NPP in the Kingdom: The Unique Nature of HTGRs	Mr Tariq Mheidat (Jordan)
16:10 – 16:35	29.	HTGR-POLA: A Project Overview and Approach to Spent Fuel Management	Mr Dominik Muszynski (Poland)
16:35 – 17:30	30.	Objectives of the Roadmap Booklet and the gaps of information to be filled in during Break-out Sessions on Thursday.  Comments from participants on the Booklet-Draft.	Mr David Hambley (UK) All
Adjourn 17:30

 

---

 

Thursday, 10 July 2025
9:00 – 9:30	31.	Discussion on Failed HTGR Fuels Definition	Mr David Hambley (UK) to lead
9:30 – 10:45	32.	3 Break-out Sessions of about 7 people each to work on information to be included in the corresponding tables of the document	Management of Pebbles - Open Cycle (Session 1) Room C07-29  Management of Prismatic/Compact – Open Cycle (Session 2) Room C07-33  Management Pebbles and Prismatic/Compact - Closed Cycle (Session 3) Room C07-31
10:45-11:15 Coffee Break
11:15 – 12:30	33.	3 Break-out Sessions of about 7 people each to work on information to be included in the corresponding tables of the document	Management of Pebbles - Open Cycle (Session 1) Room C07-29  Management of Prismatic/Compact – Open Cycle (Session 2) Room C07-33  Management Pebbles and Prismatic/Compact - Closed Cycle (Session 3) Room C07-31
12:30-14:00 Lunch Break
14:00 – 15:30	34.	Presentation of findings from the 3 Groups (10 minutes each) on:  Management of Pebbles - Open Cycle  Management of Prismatic/Compact – Open Cycle  Management Pebbles and Prismatic/  Compact – Closed Cycle  Consolidation of content of the tables.   Discussion of comments on the draft Roadmap Booklet.	All
15:30 – 16:00 Coffee Break
16:00 – 17:30	35.	Consolidation of content of the tables   Discussion of comments on the draft Roadmap Booklet   Identification of gaps of information and future actions to be taken to have the Draft Roadmap Booklet published after summer  Discussion on visualization of the stages of the Roadmap	Mr David Hambley (UK) to lead  Ms Amparo Gonzalez-Espartero (IAEA)  All
Adjourn 17:30

 

---

 

Friday, 11 July 2025
9:15 – 10:15	36.	Case Study for the Management of Spent Pebble Fuel	Mr Roland Hüggenberg (Germany)
10:15 – 10:45	37.	Case Study for the Management of Spent Prismatic/Compact Fuel	Mr David Hambley (UK)
10:45-11:15 Coffee Break
11:15 – 11:45	38.	Explanation of Qualitative Comparison Exercise of Managing Prismatic, Pebbles and LWR	Mr Roland Hüggenberg (Germany) and Mr David Hambley (UK)
11:45 – 12:15	39.	Discussion on assignation of responsibilities for actions and plan of work for the coming months	Mr David Hambley (UK)  Ms Amparo Gonzalez-Espartero (IAEA)  All
12:15 – 12:45	40.	Closing Session  DIR-NEFW  SH-NFCMS	Ms Olena Mykolaichuk (IAEA)  Mr Clément Hill (IAEA)
Adjourn 12:45