聚锑酸合成及吸附锶性能研究

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Research on Polyantimonic Acid Synthesis and Adsorption for Strontium

摘要: 采用SbCl₃氧化法合成的聚锑酸具有较好的机械性能,适合于色谱柱操作。聚锑酸在低酸度溶液中对锶吸附选择性好,在0.1mol/L硝酸溶液中对锶的吸附容量达到42mg/g。但是,聚锑酸对UO²⁺的吸附容量达到27.7mg/g。研究结果表明,聚锑酸只能用于不含铀废液中⁹⁰Sr的去除。
- 聚锑酸 /
- 锶 /
- 铀酰 /
- 吸附 /
- 氧化法
Abstract: The paper describes a new mothod for Polyantimonic Acid （PAA） synthesized and absorb capacticy of Sr²⁺ and UO₂²⁺ on PAA. PAA synthesized by oxidation process with SbCl₃ is with good mechanical strength and suitable for column operation. PAA has high affinity for Strontium in acid solution, and the adsorption capacity for Sr²⁺ is 42mg/g in 0.1mol/L nitrate acid solution. But the adsorption capacity of UO₂²⁺ on PAA is 27.7 mg/g. The results show that PAA can be used for ⁹⁰Sr removal from acid solution without UO₂²⁺.
- Polyantimonic Acid /
- Strontium /
- UO₂²⁺ /
- Absortion /
- Oxidation Process