Extraction of Cesium and Strontium Cations from Solutions by Titanium(IV) Phosphate-Based Ion Exchangers

被引：18
|
作者：
Korneikov, R. I. [1 ]
Ivanenko, V. I. [1 ]
机构：
[1] Russian Acad Sci, Tananaev Inst Chem & Technol Rare Elements & Mine, Kola Sci Ctr, Akademgorodok 26a, Apatity 184209, Murmansk Oblast, Russia
来源：
INORGANIC MATERIALS | 2020年 / 56卷 / 05期
基金：
俄罗斯科学基金会;
关键词：
radionuclides; cesium; strontium; sorbents; titanyl hydrogen phosphate; REMOVAL;
D O I：
10.1134/S0020168520050088
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It has been demonstrated that titanyl hydrogen phosphate-based sorption materials can be effectively used for the extraction of cesium and strontium radionuclides from liquid radioactive waste similar in chemical composition to seawater. We have optimized conditions (pH, liquid : solid ratio, and temperature) for the coextraction of cesium and strontium cations. The titanium(IV) cesium or strontium double phosphate formed after heat treatment of the spent sorbent ensures proper immobilization of the radionuclides.
引用
收藏
页码：502 / 506
页数：5
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