제목	Seokju Hong, Seongsik Nam, and Wooyong Um, “Decontamination of Neutron-Activated Concrete Waste by Dense Medium Separation” Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
Seokju Hong, Seongsik Nam, and Wooyong Um, “Decontamination of Neutron-Activated Concrete Waste by Dense Medium Separation” Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.

번호	제목
124	Seokhoon Yang, and Wooyong Um, “Removal of 14C in Aqueous Phase Using Isotope Exchange Reaction”, Presented in Korean Nuclear Society Conference, Jeju, South Korea, May 18 – 20, 2022.
123	Jae-Young Pyo, Jong Heo, and Wooyong Um, “Effect of ZnO Content on Crystallization Tendency of Mo-bearing Borosilicate Glass”, Presented in Korean Nuclear Society Conference, Jeju, South Korea, May 18 – 20, 2022.
122	Younglim Shin, Byoungkwan Kim, Jaehyuk Kang, and Wooyong Um, “Radionuclides Leaching Characteristics in Different Sized Geopolymer Waste Forms with Simulated Spent Ion-exchange Resin”, Presented in Korean Nuclear Society Conference, Jeju, South Korea, May 18 – 20, 2022.
121	Younglim Shin, Byoungkwan Kim, Jaehyuk Kang, Wooyong Um, “Optimization and Evaluation of Geopolymer waste form for Immobilization of Radioactive Spent Ion-exchange Resins”, Presented in Waste Management Symposia, Pheonix, Arizona, USA, March 6 - 10, 2022.
120	Jaeeun Kang, and Wooyong Um, "Geochemical Factors Influencing the Radon Content in Groundwater and Application of Sorbent for Radon Removal", Presented in Waste Management Symposia, Pheonix, Arizona, USA, March 6 - 10, 2022.
	Seokju Hong, Seongsik Nam, and Wooyong Um, “Decontamination of Neutron-Activated Concrete Waste by Dense Medium Separation” Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
118	Seongsik Nam, and Wooyong Um “Decontamination of Radioactive Wastes Using Underwater Microwave Plasma”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
117	Jaehyuk Kang, Jueun Kim, and Wooyong Um, “Study for Iodine Removal Mechanism Using CoAl and NiAl Layered Double Hydroxides Under Aqueous Condition” Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
116	Jueun Kim, Seokju Hong, and Wooyong Um, “Enhanced Iodine Sorption by Layered Double Hydroxides Modified Bentonite”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
115	Jaeeun Kang, and Wooyong Um, “Theoretical Study on the Reaction of Xenon and Fluorine From DFT Calculation”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
114	Seokju Hong, Jueun Kim, Jong Heo, and Wooyong Um, “Inorganic Surface Modification of Bentonite to Increase Radionuclide Removal”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
113	Muhammad Aamir Hafeez, Seokhoon Yang, Bhupendra Kumar Singh, and Wooyong Um, “A Hybrid Advance Oxidation Process for Effective Treatment of Spent Resin”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021
112	Hyojoo Kim, Kyungwon Kim, Jueun Kim, Nara Jeong, Soojeong Ji, and Wooyong Um, “Effect of Humic Acid on Iodine Speciation and Removal Using Layered Double Hydroxides”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
111	Younglim Shin, Byoungkwan Kim, Jaehyuk Kang, and Wooyong Um, “Solidification of Spent Ion-exchange Resin Using Metakaolin-based Geopolymer Waste Form”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.
110	Nur Shahidah Abdul Rashid, Nurul Syiffa Mahzan, Kyungwon Kim, and Wooyong Um, “Bioaccessibility and Absolute Bioavailability of Uranium and Thorium in IAEA-312 by in Vitro and In Vivo Bioassays”, Presented in Korean Radioactive Waste Society Conference, Jeongsun, South Korea, November 17-19, 2021.