Se immobilization in pyrite by reaction with Fe(II) and polysulfides: Impacts of aging conditions

Paul Francisco

Presentation information

Oral Session

E-4: Radioactive waste disposal: geological, hydrogeological and geochemical aspects.

Sat. Aug 19, 2023 9:00 AM - 12:15 PM ROOM1 (Exhibition Hall 1-A)

Chairman:Tsutomu Sato(Hokkaido University)、Yuichi Niibori(Tohoku University)、Jordi Cama(Institute of Environmental Assessment and Water Research)

10:45 AM - 11:00 AM

[OE4-06] Se immobilization in pyrite by reaction with Fe(II) and polysulfides: Impacts of aging conditions

*Paul Francisco¹, Hideaki Shiwaku², Takamitsu Ishidera¹, Yukio Tachi^1,3 (1. Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, Tokai, Ibaraki (Japan), 2. Materials Sciences Research Center, Japan Atomic Energy Agency, Sayo, Hyogo (Japan), 3. Horonobe Underground Research Center, Japan Atomic Energy Agency, Horonobe, Hokkaido (Japan))

Keywords:selenium, geological disposal, iron sulfides

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