STUDY ON RADIATION EFFECTS ON AMP/SIO2 ADSORBENT FOR SEPARATION OF CESIUM FROM HIGH LEVEL RADIOACTIVE WASTE

被引：0

作者：

Wu, Yan ^{[1
]}

Zhang, Xiaoxia ^{[1
]}

Wei, Yuezhou ^{[1
,2
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China

[2] Guangxi Univ, Coll Resources & Met, Nanning 530004, Peoples R China

来源：

PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2017, VOL 7 | 2017年

基金：

中国国家自然科学基金;

关键词：

AMMONIUM MOLYBDOPHOSPHATE; ADSORPTION; EXCHANGER; WATER;

D O I：

暂无

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

A silica-based ammonium molybdophosphate (AMP/SiO2) was successfully applied to remove Cs(I) from radioactive waste water in our previous study. The structure characterization of irradiated AMP/SiO2 was carried out by X-ray diffraction (XRD). The effect of the initial concentration of metal ions and acidity concentration for removal Cs(I) by irradiated AMP/SiO2 were investigated. No obvious difference was observed for AMP/SiO2 with 300 kGy absorbed dose from the XRD patterns, except the slightly shift of (110) peak toward a small angle. Relatively large distribution coefficient (8 x 10(3) cm3/g) of Cs(I) was obtained in 3M HNO3 by irradiated AMP/SiO2. The maximum adsorption capacity of AMP/SiO2 irradiated at 300 kGy was estimated as 22.4 mg/g. The loss of molybdenum from AMP/SiO2 in 3 M HNO3 with 200 kGy absorbed dose is less than 5%.

引用

页数：4

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