Conference - Oral

† Equal contribution, * Corresponding author 

2026

18.  Hydrogen Peroxide Formation by Gamma Radiolysis of KURT Groundwater and Ultrapure Water for Deep Geological Repository Safety Assessment
Kwanil Chae, Yongjun Lee, Sehyun Cho, Jaehyuk Kang*, and Sungyeol Choi*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 21–23, 2026.

2024

17.  Comprehensive Review of Waste Form Characteristics and Waste Acceptance Criteria – An International and Domestic Overview
Jaehyuk Kang*
Korean Association for Radiation Protection Conference, Mokpo, Republic of Korea, April 24–26, 2024. (Invited)

2023

16.  Comparative Study for the Iodate Removal Mechanism Using the Layered Double Hydroxides under Experimental and Computational Approaches
Jaehyuk Kang, Mal-Soon Lee*, Hyojoo Kim, and Wooyong Um*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, November 1–3, 2023. (Invited)

2022

15.  Evaluation of Waste Form Acceptance Criteria for Phosphate-based Geopolymer for Immobilization of Spent Ion Exchange Resins
Byoungkwan Kim, Solmoi Park, Jaehyuk Kang, Younglim Shin, and Wooyong Um*
The 7th East Asia Forum on Radwaste Management (EAFORM 2022), Jeju, Republic of Korea, October 26–28, 2022.

14.   Assessment of Waste Form Acceptance Criteria for Phosphate-Based Geopolymer Waste Form to Immobilize Radioactive Borate Waste
Byoungkwan Kim, Jaehyuk Kang, Younglim Shin, and Wooyong Um*
American Nuclear Society – 14th International Conference on Radiation Shielding and 21st Topical Meeting of the Radiation Protection and Shielding Division, Seattle, WA, USA, September 25–29, 2022.

13.   Influence of Si/Al ratio and curing temperature of geopolymer waste forms on immobilization of radioactive borate waste
Byoungkwan Kim, Jaehyuk Kang, Younglim Shin, Tae-min Yeo, and Wooyong Um*
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 25–27, 2022.

12.  Degradation of Re(IV)-EDTA in the Environment as Analogue of 99Tc-EDTA for Safe Disposal in the Geological Repository
Mumtaz Khan*, Khalid Khan, Sangsoo Han, Jaehyuk Kang, and Muhammad Adnan Iqbal
Korean Radioactive Waste Society Conference, Busan, Republic of Korea, May 25–27, 2022.

11.  Radionuclides Leaching Characteristics in Different Sized Geopolymer Waste Forms with Simulated Spent Ion-exchange Resin
Younglim Shin, Byoungkwan Kim, Jaehyuk Kang, and Wooyong Um*
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 19–20, 2022.

2021

10.  Structural Evolution of Phosphate-Based Geopolymer Waste Forms to Immobilize Radioactive Borate Waste
Byoungkwan Kim, Younglim Shin, Jaehyuk Kang, and Wooyong Um*
Korean Nuclear Society Conference, Changwon & Online, Republic of Korea, October 20–22, 2021. (Best Paper Award)

2020

09.   Synthesis of Prussian Blue Functionalized CoCr Layered Double Hydroxides to Treat Cesium and Iodate Together
Jueun Kim, Jaehyuk Kang, and Wooyong Um*
Korean Radioactive Waste Society Conference, Daejeon & Online, Republic of Korea, December 9–11, 2020.

08.  Solidification of Borate Waste Using Metakaolin-Based Geopolymer Waste Form
Byoungkwan Kim, Juhyeok Lee, Jaehyuk Kang, Younglim Shin, Won-Seok Kim, and Wooyong Um*
Korean Radioactive Waste Society Conference, Daejeon & Online, Republic of Korea, December 9–11, 2020. (Best Presentation Paper Award)

07.  Iodine (I- and IO3-) Sequestration and Removal by CoAl and NiAl Layered Double Hydroxides
Jaehyuk Kang, Tatiana G. Levitskaia*, and Wooyong Um*
The Clay Minerals Society 2020, Richland & Online, WA, USA, October 18–23, 2020. (Invited)

2019

06.  Synthesis of chalcogenide sorbent for Cs removal
Sangsu Park, Jaehyuk Kang, and Wooyong Um*
Korean Radioactive Waste Society Conference, Jeju, Republic of Korea, October 30–November 1, 2019.

2018

05.  Layered double hydroxides synthesis and application for radioactive iodine removal
Jaehyuk Kang and Wooyong Um*
Nuclear Materials Conference, Seattle, WA, USA, October 14–18, 2018.

2017

04.   Removal of Iodide and Iodate using Layered Double Hydroxides (LDHs) under Aqueous Condition
Jaehyuk Kang and Wooyong Um*
Korean Radioactive Waste Society Conference, Changwon, Republic of Korea, October 18–20, 2017. (Best Presentation Paper Award)

03.  Use of Layered Double Hydroxide (LDH) Sorbents to Remove Radioactive Iodine Species
Jaehyuk Kang and Wooyong Um*
2017 Waste Management Symposia, Phoenix, AZ, USA, March 5–9, 2017.

2015

02.   Development of Tributyl Phosphate Apatite for Uranium Removal
HyunJu Kim, Jaehyuk Kang, Jungjin Kim, and Wooyong Um*
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 6–8, 2015.

01.  Competitive Binding Reaction of Strontium as A Function of Ionic Strength
Seeun Chang, Wooyong Um*, Jaehyuk Kang, and Jungjin Kim
Korean Nuclear Society Conference, Jeju, Republic of Korea, May 6–8, 2015.