RADIOCESIUM IN HOT PARTICLES - SOLUBILITY VS CHEMICAL SPECIATION

被引：9

作者：

ALRAYYES, AH ^{[1
]}

RONNEAU, C ^{[1
]}

STONE, WEE ^{[1
]}

GENET, MJ ^{[1
]}

LADRIERE, J ^{[1
]}

CARA, J ^{[1
]}

机构：

[1] UNIV CATHOLIQUE LOUVAIN,INORGAN & NUCL CHEM LAB,CHEMIN CYCLOTRON 2,B-1348 LOUVAIN,BELGIUM

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 1993年 / 21卷 / 02期

关键词：

Accidents - Cesium - Nuclear fuels - Nuclear reactors - Solubility;

D O I：

10.1016/0265-931X(93)90051-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the case of a severe nuclear reactor accident, UO2 particles may be emitted as a consequence of mechanical disintegration of the fuel. Once in the atmosphere, various physico-chemical reactions may then occur between the partially vitrified dioxide and vapours from the reactor; these reactions are able to incorporate fission products into the UO2 particles and reduce their availability to the environment. Caesium,for example, which is usually very soluble, can react with fuel UO2 and iron from the reactor structures and be included in chemical forms such as uranates or ferrites where its solubility is greatly reduced.

引用

页码：143 / 151

页数：9

共 11 条

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