제목	S. Han, W. Kim, and W. Um. “Selective removal of radioactive iodine in waste water using bismuth functionalized graphene oxide”, Presented in 2018 joint International Conference of the Geological Science & Technology of Korea, Korea, Busan, April 17-20, 2018.
S. Han, W. Kim, and W. Um. “Selective removal of radioactive iodine in waste water using bismuth functionalized graphene oxide”, Presented in 2018 joint International Conference of the Geological Science & Technology of Korea, Korea, Busan, April 17-20, 2018.

번호	제목
64	M. Aamir, W. Um. “Resin Treatment Using Fenton Like Process With Cu Catalysis” Presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, oct 31- Nov 2, 2018
63	S. Kwon, W. Kim, W. Um. "Leaching test for polymer waste form of spent ion-exchange resins" Presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, oct 31- Nov 2, 2018
62	S. Park, J. Kang, W. Um. "Radionuclides Removal Using Cancrinite and Chalcogel Sorbents" Presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, Oct 31-Nov 2, 2018
61	N. Shahidah, W. Um. "Radiological Risk Assessment of 232Th and 238U in Water Leach Purification" Presented in the Korean Radioactive Waste Society Conference, Busan, South Korea, May 30-June 1, 2018
60	J. Ahn, W, Kim, S. Kwon, W. Um. "Solidification of HyBRID Waste Using Geopolymer Waste Form", Presented in the Korean Radioactive Waste Society Conference, Busan, South Korea, May 30-June 1, 2018
59	S. Han, S. Hong, S. Nam, W. Kim, and W. Um. “Characterization and thermal treatment application for radioactive concrete wastes from nuclear power plant decommissioning”, Presented in 2018 Korean Nuclear Society Spring Conference, Korea, Jeju, May 16-18, 2018.
58	S. Han, S. Hong, S. Nam, W. Kim, and W. Um. “Optimization of Heat Treatment Technique for Volume Reduction of Decommissioned Concrete Waste from Nuclear Power Plant”, Presented in 2018 joint International Conference of the Geological Science & Technology of Korea, Korea, Busan, April 17-20, 2018.
	S. Han, W. Kim, and W. Um. “Selective removal of radioactive iodine in waste water using bismuth functionalized graphene oxide”, Presented in 2018 joint International Conference of the Geological Science & Technology of Korea, Korea, Busan, April 17-20, 2018.
56	W. Kim, J. Kang, T. Jung, W. Um. “Solidification of spent resin for safe storage to repository” Presented in the Korean Radioactive Waste Society Conference, Busan, South Korea, May 30-June 1, 2018
55	J. Kang, W. Um. “Iodine Analysis Optimization and Removal Study using Layered Double Hydroxides under Aqueous Condition” Presented in 2018 Joint International Conference of the Geological Science & Technology of Korea, Busan, South Korea, April 17-20, 2018
54	M. Khan, W. Um, J. Kang “EDTA Effects on Reduction and Re-oxidation of Rhenium Species: For Possible Application to Technetium Radioactive Waste Management” Presented in Winter Symposium of Department of Environmental Energy of the Korean Chemical Society, Gyeongju, South Korea, February 5-6, 2018
53	J. Kang, W. Um. “Memory Effect of Layered Double Hydroxides (LDH) to Remove Iodine Aqueous Species (I- and IO3-)” Presented in Winter Symposium of Department of Environmental Energy of the Korean Chemical Society, Gyeongju, South Korea, February 5-6, 2018
52	J. kang, W. Um. "Removal of Iodide and Iodate using Layered Double Hydroxides (LDHs) under Aqueous Condition",Presented in Korean Radioactive Waste Society Conference, Changwon, South Korea, October 18-20, 2017
51	S. Han, W. Kim, and W. Um. “SYNTHESIS AND CARACTERIZATION OF GRAPHENE OXIDE BASED MATERIAL FOR RADIOACTIVE IODINE REMOVAL”, Presented in the Migration 2017 Conference, Barcelona, Spain, September 10-15, 2017
50	W. Um and J. Ahn, "Synthesis of geopolymer waste form to solidify radioactive wastes from decontamination of primary system in nuclear power plant", Presented in The Geological Society of America, Seattle, Washington, USA, Oct 22, 2017