[2D15-21] FP Chemical Behavior

[2D15] FP chemistry in a high temperature region of LWR under a severe accident

(1)Boron transport behavior in a reactor coolant system

*Shuhei Miwa¹, Junpei imoto¹, Naoya Miyahara¹, Masahiko Osaka¹ (1. JAEA)

Keywords:boron, transport, reactor coolant system, severe accident

We evaluated the transport behavior of control material, boron, which affects the cesium transport behavior, in a reactor coolant system during a severe accident of LWR. The results show that the boron vapor was chemisorbed onto stainless steel and condensed during transport in a coolant system.