Vitrification of high-level radioactive waste considering the behavior of platinum group metals

被引：18

作者：

Uruga, Kazuyoshi ^{[1
]}

Sawada, Kayo ^{[1
]}

Enokida, Youichi ^{[1
]}

Yamamoto, Ichiro ^{[1
]}

机构：

[1] Nagoya Univ, EcoTopia Sci Inst, Chikusa Ku, Nagoya, Aichi 4648603, Japan

来源：

PROGRESS IN NUCLEAR ENERGY | 2008年 / 50卷 / 2-6期

关键词：

platinum group metals; high-level radioactive waste; melter; liquid metal; copper;

D O I：

10.1016/j.pnucene.2007.11.036

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：

To demonstrate a method using liquid metal for the removal of PGMs during the vitrification process of high-level radioactive waste, removal of Pd was performed using Cu from molten glass containing fission products such as Nd, Sr, Zr, Mo, Te and Ni. Almost all the Pd, 93%, was extracted into liquid Cu and removed as a separable Cu-Pd metal button from the glass. Tellurium and Ni were also extracted 42 and 5.6%, respectively. Nearly 100% of the other elements, especially the heat generating elements such as Sr and Cs, for which Na was used as a substitute of Cs remained in the glass. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：514 / 517

页数：4

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