Solidification of radioactive soil waste through volume reduction and stabilization: Characteristic evaluation and waste acceptance criteria satisfaction

被引：1

作者：

Lim, Sang-Hyun ^{[1
]}

Lee, Sang-Heon ^{[1
]}

Song, Jong-Soon ^{[1
]}

Kim, Ki-Hong ^{[2
]}

机构：

[1] Chosun Univ, 309 Pilmun Daero, Gwangju, South Korea

[2] Radin Inc, 5 Sinildong Ro 17beon Gil, Daejeon, South Korea

来源：

JOURNAL OF HAZARDOUS MATERIALS ADVANCES | 2023年 / 10卷

基金：

新加坡国家研究基金会;

关键词：

Cs-contaminated soil; Pelletization; Roll compaction; Volume reduction; Characterization; ROLL COMPACTION; CESIUM; DISPOSAL; LEVEL;

D O I：

10.1016/j.hazadv.2023.100324

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Radioactive soil waste disposal represents a global environmental challenge, and appropriate management strategies for the same are essential. To address this problem, pelletization technology can be used to reduce the physical volume of the powdered wastes. And polymer solidification technology can be used to manufacture polymer-solidified body incorporated with high-density pellets. Cs-contaminated soil after washing were converted to rigid pellets of certain shape and size (H 6.5 x W 9.4 mm) by a lab-scale roll compactor. At this time, the operation parameters (hydraulic pressure, roll speed, feed rate, roll gap) of the roll compactor were evaluated, and the optimal operating conditions of the device were selected. Subsequently, the volume reduction factor of each powder and solidified body were estimated. Finally, the characterization (Compressive strength, Thermal cycling, Irradiation, Immersion, Immersion test) of the polymer-solidified body incorporated with pellets was performed to confirm that they met the waste acceptance criteria of the repository.

引用

页数：11

共 36 条

[1]

American Nuclear Society, 2003, ANSI/ANS-16.1

[2]

ASTM, 1979, ASTM B553

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