Novel method for efficient solidification the iodine contained waste by B2O3–Bi2O3 glass powder at very low temperature

• Published in: Journal of radioanalytical and nuclear chemistry Vol. 329; no. 3; pp. 1467 - 1476
• Main Authors: Yan, Meng, Cheng, Wencai, Liu, Yi, He, Xiyang, Wu, Biao, Zhang, Zhentao, Xie, Yi, Lu, Xirui
• Format: Journal Article
• Language: English
• Published: Cham Springer International Publishing 01.09.2021; Springer Nature B.V
• Subjects: Bismuth oxides; Bismuth trioxide; Boron oxides; Chemistry; Chemistry and Materials Science; Diagnostic Radiology; Hadrons; Heavy Ions; Inorganic Chemistry; Iodine; Leaching; Low temperature; Nuclear Chemistry; Nuclear Physics; Physical Chemistry; Pretreatment; Radioactive wastes; Solidification; Immobilization; Iodine waste; Density; Glass-powder
• ISSN: 0236-5731; 1588-2780
• DOI: 10.1007/s10967-021-07876-9

A novel pretreatment method was used to ameliorate the treatment effect of iodine contained radioactive waste. The pretreatment sample (15 w%) held the highest amorphous index (0.50) at 600 °C, and iodine element was in a state of uniform distribution. The density of the sample could increase to 2.95 gcm 3 by using the novel method, which was higher than other similar studies. The leaching result of iodine was as low as 1.53 × 10 6  gm 2 d 1 after 7 days treatment, which indicated that the solidified body has good stability in a long run. Graphic abstract