2018 Annual Meeting

Presentation information

Oral presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-1 Radioactive Waste Management

[1N07-12] Vitrification 1

Mon. Mar 26, 2018 4:20 PM - 5:55 PM Room N (M3-211 -M3 Building)

Chair: Mimura Hitoshi (UNION SHOWA)

4:35 PM - 4:50 PM

[1N08] Comparison of simulated waste glass by the manufacturing condition in the vitrification process

(1)Sample preparation by bottom drain test, and investigation using by Raman spectrometry

*Takayuki Nagai1, Hidekazu Kobayashi1, Yoshihiro Okamoto2, Katsumi Seki3, Hiromi Kobayashi3, Masanobu Homma3, Kiyoshi Hatakeyama3 (1. JAEA, Nuclear Fuel Cycle Engineering Lab., 2. JAEA, Materials Sciences Research Center, 3. E&E Techno Service Co. Ltd.)

Keywords:vitrification, simulated waste glass, bottom drain test, waste addition amount, gas purging, Raman spectrophotometry

ガラス固化体への廃液充填率を高める可能性を検討するため,廃液充填率や溶融条件等を変えたビーカスケールの流下実験を行った.流下した模擬廃棄物ガラス試料をラマン分光測定で評価した結果,ガラス原料形状やバブリング条件等によりSi—O架橋構造が変化することを確認した.