Conference - Poster

† Equal contribution, * Corresponding author 

2026

45.   Sorption Behavior of Cerium on Porous Geopolymer Sorbents
Yueun Kang and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 21–23, 2026.

44.   International Strategies for Conditioning and Disposal of Legacy Radioactive Waste: A Review
Sehyun Cho, Suhwan Jin, and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 21–23, 2026.

43.   Gas Generation from Alkali-Activated Geopolymer Waste Form Containing Ion-Exchange Resin under Gamma Irradiation
Sehyun Cho and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 21–23, 2026.

42.   Review of International Hydraulic–Chemical Coupling Studies for Deep Geological Repository Safety Assessment
Heeju Hyun, Hyolee Kim, and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 21–23, 2026.

41.   Evaluation of MnAl Layered Double Hydroxides for Perrhenate Removal under Various Synthesis Conditions
Hyolee Kim and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 21–23, 2026.

40.   Study on Curing Mechanism of Acid-based Geopolymer
Sehyun Cho, Hyolee Kim, and Jaehyuk Kang*
Global Conference of Innovation Materials 2026, Jeju, Republic of Korea, May 31–June 4, 2026.

39.   Modeling Programs for Post-Closure Safety Assessment: A Review
Yueun Kang and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 27–29, 2026.

38.   Fundamental study on Alkali- and Acid-activated Geopolymer for Solidification of LSC cocktail waste
Sehyun Cho and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 27–29, 2026.

37.   International Case Study for Legacy Radioactive Waste Disposal: A Review
Sehyun Cho and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 27–29, 2026.

36.   Review of International Case Studies on Underground Research Laboratories for Deep Geological Repository
Hyolee Kim and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 27–29, 2026.

35.   Evaluation of NO3–-based NiAl LDH beads as a Potential Engineering Barrier Material
Hyolee Kim and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 27–29, 2026.

34.   Cobalt Removal Mechanism using Metakaolin-based Geopolymer Sorbent
Yueun Kang and Jaehyuk Kang*
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 6–8, 2026.

33.   Solidification and leaching behavior of Radioactive Liquid Organic Waste: A Review
Sehyun Cho and Jaehyuk Kang*
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 6–8, 2026.

32.   A Review on Long-Term Stabilization Mechanisms of Tc/Re in Sorption and Immobilization Systems
Hyolee Kim and Jaehyuk Kang*
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 6–8, 2026.

2025

31.   Evaluation of Geopolymer as Primary Cosmic Radiation Shielding materials: A Review  
Yueun Kang and Jaehyuk Kang*
Korean Association for Radiation Protection Conference, Jeju, Republic of Korea, November 26–28, 2025.

30.   A Review of Cosmic Radiation Shielding Materials Based on OPC and geopolymer: Gamma Irradiation Effect  
Sehyun Cho, Hyegyo Lee, and Jaehyuk Kang*
Korean Association for Radiation Protection Conference, Jeju, Republic of Korea, November 26–28, 2025.

29.   A Review of Radiation Simulation for the Verification of Space Radiation Shielding Materials  
Hyolee Kim and Jaehyuk Kang*
Korean Association for Radiation Protection Conference, Jeju, Republic of Korea, November 26–28, 2025.

28.   Evaluation of Geopolymer Sorbents: A review
Yueun Kang and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, November 12–14, 2025.

27.   Immobilization Study of Cesium and Iodine in Fe-added Phosphate-Based Geopolymer Waste Form containing Spent Ion Exchange Resin
Sehyun Cho and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, November 12–14, 2025. (Best Poster Award)

26.   Iodide Sorption Mechanisms of NiAl LDH-based Bead Composites for Application in Engineered Barriers of High-Level Waste Disposal
Hyolee Kim and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, November 12–14, 2025.

25.   Study of the Irradiation Effect on Waste Forms: A Review
Sehyun Cho, Yueun Kang, and Jaehyuk Kang*
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 21–23, 2025.

24.   Analysis Optimization of I– and NO3– ions using UV-Vis Spectroscopy
Hyolee Kim, Yerim Kim, and Jaehyuk Kang*
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 21–23, 2025.

23.   Development of NiAl LDH-based Bead Sorbents for Efficient Iodide Removal Under Aqueous Condition
Hyolee Kim, Yerim Kim, and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 14–16, 2025. (Best Poster Award)

2024

22.   Evaluation of Stability and Performance of Solidification Materials for Safe Disposal of Radioactive Waste: A Review
Sehyun Cho andJaehyuk Kang*
Korean Radioactive Waste Society Conference, Gyeongju, Republic of Korea, October 30–November 1, 2024.

21.   Role of Getters in Preventing Tc Leaching in Radioactive Waste Disposal: A Review
Hyolee Kim and Jaehyuk Kang*
Korean Radioactive Waste Society Conference, Gyeongju, Republic of Korea, October 30–November 1, 2024.

20.   Review of Waste Forms based on Various Materials for Radioactive Waste Acceptance Criteria
Sehyun Cho and Jaehyuk Kang*
The 16th Joint Symposium on Science and Technology of Jeju National University and Nagasaki University, Jeju, Republic of Korea, September 26–28, 2024.

19.   Review of the Performance and Stability of Getters for Preventing Tc Leaching
Hyolee Kim and Jaehyuk Kang*
The 16th Joint Symposium on Science and Technology of Jeju National University and Nagasaki University, Jeju, Republic of Korea, September 26–28, 2024. 

2023

18.   Homogeneity evaluation of geopolymer waste form containing radioactive spent ion resins using LIBS and statistical approach
Seokyoung Oh, Byoungkwan Kim, Jaehyuk Kang, Hyun-min Ma, Younglim Shin, and Wooyong Um*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 31–June 2, 2023.

17.  Solidification of radioactively contaminated soils using cement waste forms
Hyun-min Ma, Byoungkwan Kim, Jaehyuk Kang, Seokyoung Oh, Younglim Shin, and Wooyong Um*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 31–June 2, 2023. 

2022

16.  Optimization and Evaluation of Geopolymer Waste Form for Immobilization of Radioactive Spent Ion-exchange Resins
Younglim Shin, Byoungkwan Kim, Jaehyuk Kang, and Wooyong Um*
2022 Waste Management Symposia, Phoenix, AZ, USA, March 6–10, 2022.

2021

15.  Study for Iodine Removal Mechanism Using CoAl and NiAl Layered Double Hydroxides Under Aqueous Condition
Jaehyuk Kang, Jueun Kim, and Wooyong Um*
Korean Radioactive Waste Society Conference, Jeongsun, Republic of Korea, November 17–19, 2021.

14.  Solidification of Spent Ion-exchange Resin Using Metakaolin-based Geopolymer Waste Form
Younglim Shin, Byoungkwan Kim, Jaehyuk Kang, and Wooyong Um*
Korean Radioactive Waste Society Conference, Jeongsun, Republic of Korea, November 17–19, 2021. 

2020

13.  Simultaneous Removal of Both Cesium and Iodate using Prussian Blue Functionalized Layered Double Hydroxides (PB-LDH)
Jueun Kim, Jaehyuk Kang, and Wooyong Um*
The Clay Minerals Society 2020, Richland & Online, WA, USA, October 18–23, 2020. 

2019

12.  Development of Cement Waste Form for Decommissioning Wastes of Nuclear Power Plant
Juhyeok Lee, Jaehyuk Kang, Jaehyuk Kang, Wonseok Kim, and Wooyong Um*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 30–November 1, 2019.

11.  Simultaneous Removal of Both Cesium and Iodine using Prussian Blue Functionalized Layered Double Hydroxides (PB-LDH)
Jueun Kim, Jaehyuk Kang, and Wooyong Um*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 30–November 1, 2019.

10.  Removal of Radionuclides in Waste Solution using Cancrinite Sorbent
Jaehyuk Kang, Sangsu Park, and Wooyong Um*
Migration 2019 Conference, Kyoto, Japan, September 15–20, 2019. 

2018

09.  Radionuclides removal using cancrinite and chalcogel sorbents
Sangsu Park, Jaehyuk Kang, and Wooyong Um*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 31–November 2, 2018.

08.  Study on the fate of radionuclide in concrete waste
Won-Seok Kim*, Jaehyuk Kang, Seongye Kwon, and Seeun Chang
Goldschmidt Conference 2018, Boston, MA, USA, August 12–17, 2018.

07.  Solidification of Spent Resin for Safe Storage
Won-Seok Kim*, Jaehyuk Kang, Taeho Jung, Mi-suk Jang, Jong-seon Jeon, and Wooyong Um
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 30–June 1, 2018.

06.   Iodine Analysis Optimization and Removal Study using Layered Double Hydroxides under Aqueous Condition
Jaehyuk Kang, Won-Seok Kim, and Wooyong Um*
2018 Joint International Conference of the Geological Science & Technology of Korea, Busan, Republic of Korea, April 17–20, 2018.

05.   EDTA Effects on Reduction and Re-oxidation of Rhenium Species: For Possible Application to Technetium Radioactive Waste Management
Mumtaz Khan, Wooyong Um*, and Jaehyuk Kang
Winter Symposium of Department of Environmental Energy of the Korean Chemical Society, Gyeongju, Republic of Korea, February 5–6, 2018.

04.  Memory Effect of Layered Double Hydroxides (LDH) to Remove Iodine Aqueous Species (I- and IO3-)
Jaehyuk Kang, and Wooyong Um*
Winter Symposium of Department of Environmental Energy of the Korean Chemical Society, Gyeongju, Republic of Korea, February 5–6, 2018.

2016

03.  Removal of Iodide using Sn-HY zeolite and CoCr/Cl LDH under aqueous condition
Jaehyuk Kang, Won-Seok Kim, and Wooyong Um*
Korean Radioactive Waste Society Conference, Mokpo, Republic of Korea, May 25–27, 2016. 

2015

02.  Synthesis of amine impregnated mesoporous silica for radioactive iodine gas removal
Sangsoo Han, Jaehyuk Kang, and Wooyong Um*
2015 International Chemical Congress of Pacific Basin Societies, Honolulu, Hawaii, USA, December 15–20, 2015.

01.  Fracture flow of radionuclides in unsaturated conditions at Wolsung LILW Disposal Facility
Won-Seok Kim, Jaehyuk Kang, Jungjin Kim, Seongsik Nam, Hearyong Chung, and Wooyong Um*
2015 International Chemical Congress of Pacific Basin Societies, Honolulu, Hawaii, USA, December 15–20, 2015.