[1D11-13] Sorption

[1D12] A study on mobility of uranyl and europium ions on silica gel by using photoluminescence microspectroscopy

*Ryoji Kusaka¹, Masayuki Watanabe¹ (1. Japan Atomic Energy Agency)

Keywords:radionuclides, migration, adsorption, desorption, uranyl ion, coexistence, microspectroscopy

The purpose of this study is to observe migration and sorption of radionuclides and to clarify their mechanism. In the presentation, we show how uranyl and europium ions transfer on a silica gel when an aqueous solution dissolving uranyl and europium ions is dropped onto a silica gel, with the results observed by photoluminescence microspectroscopy. From this, it is clarified that the mobility of uranyl and europium ions on silica gel is different.