Separation and Enrichment of 90Sr and 90Y From SoilChinese Full Text
ZHOU Li-bin;LIU Yang;WU Wen-bin;Beijing Research Institute of Chemical Engineering and Metallurgy,CNNC;
Abstract: Separation and Enrichment of 90Sr and 90Y from soil can be realized by hydrochloric acid leaching,oxalate precipitation,burning at high temperature,dissolving using nitric acid,separation and enrichment by extraction chromatography using P204 and precipitating bismuth using sodium sulfide.The experimental results show that 90Sr and 90Y are precipitated by trisodium citrate dihydrate and oxalic acid,the precipitation rate are 76.4% and 99.8%,respectively.The pH of solution for absorption 90Y is 0.1,the absorption speed is 2.0mL/min,the mass of resin is 10g,the volume of 6mol/L nitric acid solution is 80mL,the elution speed for 90Y is 0.5mL/min.The speed of separation 90Sr and 90Y is rapid.This method is simple,fast and low cost.
- DOI：
10.13355/j.cnki.sfyj.2014.03.22
- Series：
- Subject：
- Classification Code：
TF827.2;TF845.2
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