利用无机离子交换剂—多聚锑酸从1AW中提取裂变核素90Sr的研究SEPARATON OF 90Sr FROM 1 AW WASTES WITH POLYANTIMONIC ACIDS
翁皓珉,李太华,韩俊,孙兆祥,刘正浩,刘伯里
摘要(Abstract):
本文叙述了改进多聚銻酸的制备方法,得到含5个結晶水的PAA晶体,从模拟的1AW废液中直接回收~(90)Sr。对溫度、流速、酸度在回收~(90)Sr的的影响,以及淋洗条件等进行了一系列的实驗,并用裂变产物进行了模拟回收~(90)Sr的实驗。說明这种改进的PAA无机离子交換剂,对锶具有較大的选择交换容量,对杂質离子具有較好的去污效果和較快的交換速度。能够从1AW模拟液中直按回收~(90)Sr,并初步确定了回收~(90)Sr的流程方案。
关键词(KeyWords):
基金项目(Foundation):
作者(Author): 翁皓珉,李太华,韩俊,孙兆祥,刘正浩,刘伯里
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