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.

引用

页数：8

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