2020 Annual Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-1  Radioactive Waste Management

[1B11-13] Vitrification 2

Mon. Mar 16, 2020 4:10 PM - 5:00 PM Room B (Lecture Bildg. L 1F L-3)

Chair:Akihiro Suzuki(NFD)

4:10 PM - 4:25 PM

[1B11] Residual glass removal in melting furnace at Vitrification Technology Development Facility (TVF)

*Tadayuki Matsumura1, Hirotaka Sumi1, Takeshi Tokoro1, Sho Yamauchi1, Shohei Sato1, Shigeru Kano1, Yo Morikawa1 (1. JAEA)

Keywords:Tokai Vitrification Facility, Glass melter, Removal of residual glass, Tokai reprocessing facility

In TRP of decommissioning stage it stored HLLW generated by reprocessing of spent fuel. We plan to vitrify HLLW with priority.
In operation of glass melter at Tokai Vetrification Facility (TVF), the melter has the problem that noble metal accumulates at the bottom of the melter. Therefore the melter operation is planned continue by periodically removing the glass remained on the bottom.
After the operation in 2017, mechanical removal of the glass remaining in the melter was carried out.
After that, the vitrification operation was performed in 2019, and it was confirmed that the state of the melter was recovered.