Aerosol processing of glass for radioactive salt waste immobilization

被引：8
|
作者：
Kang, Hyun Woo [1 ]
Lee, Ki Rak [1 ]
Choi, Jung-Hoon [1 ]
Park, Hwan-Seo [1 ]
机构：
[1] Korea Atom Energy Res Inst, Daedoek Daero 989-111, Daejeon 34057, South Korea
来源：
ANNALS OF NUCLEAR ENERGY | 2021年 / 151卷
基金：
新加坡国家研究基金会;
关键词：
Pyroprocessing; Salt immobilization; Radioactive salt; Glass matrix; Aerosol process;
D O I：
10.1016/j.anucene.2020.107951
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
An SiO2-Al2O3-P2O5 (SAP) glass system was investigated to vitrify radioactive salt waste generated during pyroprocessing. The low compatibility between alumino-silicate glass and alumino-phosphate glass has limited SAP production to a conventional sol-gel process. However, this process is associated with a limited batch size and requires a minimum processing time of 5 days. This study investigated the development of an aerosol processor for the continuous production of SAP, with the potential of scaling-up for mass production. Glass form aerosol-processed SAP was successfully produced using the aerosol processor, and no additives were required to promote vitrification or prevent crystallization. Thus, pure SAP was produced using a precursor with a Si:Al:P ratio of glass system 1:1:2 (2SiO(2)-Al2O3-2P(2)O(5)). (C) 2020 Elsevier Ltd. All rights reserved.
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页数：8
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