2022 Annual Meeting

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Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[2H13-17] Migration/Sorption 3

Thu. Mar 17, 2022 4:30 PM - 6:00 PM Room H

Chair: Kazuya Idemitsu (Kyushu Univ.)

4:30 PM - 4:45 PM

[2H13] Applicability of coastal seabed environments as a potential host rock of HLW disposal

*Koraphat Fairat1, Takumi Saito1, Kanako Toda1 (1. UTokyo)

Keywords:Geological disposal, High-level radioactive waste (HLW), Groundwater , Saltwater intrusion, PFLOTRAN

Coastal seabed disposal is one of the repository options isolating high-level radioactive wastes (HLW) from human. HLW under seabed sediments would be covered by the various layers of the sediments. The aim of this research is to construct a coastal model for the transport of radionuclides from HLW disposed beneath seabed to the surface of the sediments.