Radioactive iodine waste treatment using electrodialysis with an anion exchange paper membrane

被引:31
作者
Inoue, H [1 ]
Kagoshima, M [1 ]
Yamasaki, M [1 ]
Honda, Y [1 ]
机构
[1] Kurume Univ, Sch Med, Radioisotope Inst Basic & Clin Med, Kurume, Fukuoka 8300011, Japan
关键词
radioactive iodine; electrodialysis; anion exchange paper membrane;
D O I
10.1016/j.apradiso.2004.04.014
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
In order to simply and safely treat radioactive iodine waste, a study of the removal of iodide ion from radioactive waste using electrodialysis with an anion exchange paper membrane, in which trimethylhydroxylpropylammonium groups were homogeneously dispersed with high density. In (NaI)-I-125 and (NaCl)-Cl-36 concentration-cell system, electric ion and water conductances, phenomenological coefficients, have been experimentally determined on basis of nonequilibrium thermodynamics. Prepared paper membrane had higher permselectivity of I-125 ion than Cl-36 ions by approximately 21%. On the other hand, water flux that was accompanied by an ionic transference in prepared paper membrane was greatly larger than that in typical synthesized membrane. It is suggested that a depression of water mobility is important to practice an ideal radioactive iodide waste electrodialysis system with a novel anion exchange paper membrane. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1189 / 1193
页数:5
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