[1E04-05] Debris Treatment and Cesium Deposition

[1E05] Deposition of cesium molybdate on concrete at 550 to 950°C in Aron gas

*Thi Mai Dung Do¹, Vu Nhut Luu¹, Kenta Murakami¹, Tadachika Nakayama¹, Hisayuki Suematsu¹ (1. Nagaoka University of Technology)

Keywords:cesium molybdate, concrete, cesium silicates, reaction, severe accident

The deposition of cesium molybdate on concrete in dry condition was studied by transpiration tests. The chemical reactions on the surface of the concrete after heating were characterized by X-ray diffraction, micro-Raman spectroscopy, and electron probe micro analyzer.