제목	S. Hong, S. Han, S. Nam, H. Kim, W. Um. "Potential of Sink-Float Separation: Removal of Cobalt from the Radioactive Concrete Waste" Presented in the Korean Radioactive Waste Society, Jeju, South Korea, Oct 30 - Nov 1, 2019
S. Hong, S. Han, S. Nam, H. Kim, W. Um. "Potential of Sink-Float Separation: Removal of Cobalt from the Radioactive Concrete Waste" Presented in the Korean Radioactive Waste Society, Jeju, South Korea, Oct 30 - Nov 1, 2019

번호	제목
94	J. Kim, J. Kang, W. Um, "Synthesis of Prussian Blue Functionalized CoCr Layered Double Hydroxides to Treat Cesium and Iodate Together", Presented in the Korean Radioactive Waste Society, Online conference, South Korea, December 9-11, 2020
93	J. Lee, W. Um, "Efficient Decomplexation of Co-EDTA Mixed Radioactive Waste by Advanced Oxidation Process", Presented in the Korean Radioactive Waste Society, Online conference, South Korea, December 9-11, 2020
92	S. Hong, S. Han, S. Nam, W. Kim, W. Um, "Reduction of radioactive concrete waste using dense medium separation technology", Presented in the Korean Radioactive Waste Society, Online conference, South Korea, December 9-11, 2020
91	H. Kim, B. K. Singh, W. Um, “Fluorine-Functionalized Mesoporous Silica for Selective Removal of Tritium From Nuclear Waste Water” Presented in the Korean Radioactive Waste Society, Online conference, South Korea, July 29-31, 2020
90	J. Kang, B. K. Singh, W. Um, “Application of fluorine-functionalized zeolite to increase radon removal” Presented in the Korean Radioactive Waste Society, Online conference, South Korea, July 29-31, 2020
89	Nur Shahidah A.R., Nur Syamimi D.R., K.S. Khoo, W. Um, "Correlation of absolute 238-U bioavailability (U-ABA) and 238-U bioaccessibility fraction (U-BAF) using IAEA-312 standard reference soil", Arizona, USA, Jun8- Jun11, 2020
88	J. Jeon, M. Aamir Hafeez, and W. Um. Fenton-Like Process for Treatment of IRN-150 Resin with Simulated 14C, Arizona, USA, Jun8- Jun11, 2020
87	S. Isa, J. Kang, J. Kim, S. Park, H. Kim, C. Lee, J. Pyo, J. Heo, W. Um, “Leaching Behavior of Two Waste Glass Forms (Iodine-Tellurite and Rhenium-Tellurite) under Radioactive Waste Repository Conditions”, Presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, Oct 30 - Nov 1, 2019
	S. Hong, S. Han, S. Nam, H. Kim, W. Um. "Potential of Sink-Float Separation: Removal of Cobalt from the Radioactive Concrete Waste" Presented in the Korean Radioactive Waste Society, Jeju, South Korea, Oct 30 - Nov 1, 2019
85	S. Hong, W. Um. "A new pollucite synthesis method to immobilize the radioactive Cs under the 100℃" Presented in the Geological Society of Korea, Jeju, South Korea, Oct 23 - Oct 25, 2019
84	S. Hong, W. Um. "Synthesis of zeolite NaP from natural zeolite and application for radionuclide removal", Presented in the Migration 2019, Kyoto, Japan, Sep 15 - Sep 20, 2019
83	J.E Kang, S. Shin, S. Kim, S. Han, W. Um, "Estimation System of 3-D Source Location with Multi-Detector Responses Using Deep Learning Technique", Presented in the Korean Nuclear Society Conference, Goyang, South Korea, Oct 24-25, 2019
82	J.E Kang, J. Ahn, W. Um, "Geochemical factors influencing the radon content in groundwater", presented in the Korean Radioactive Waste Society Conference, jeju, South Korea, Oct 30 - Nov 1, 2019
81	J. Kang, S. Park, W. Um. “Removal of Radionuclides in Waste Solution using Cancrinite Sorbent” Presented in Migration2019 Conference, Kyoto, Japan, September 15-20, 2019
80	S. Park, J. Kang, W. um, "Synthesis of chalcogenide sorbent for Cs removal", Presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, Oct 30-Nov 1, 2019