硅基季铵化分离材料对Tc(Ⅶ)及U、Np、Pu的吸附行为研究Study on Absorption Behaviour of SiR4N for Tc(Ⅶ),Uranium,Neptunium and Plutonium
孔彦荣;贾永芬;李辉波;王孝荣;王辉;娄海林;
摘要(Abstract)：
研究了硅基季铵化分离材料(简称SiR4N)从硝酸溶液中吸附Tc(Ⅶ)的行为,考察了铀、镎、钚等离子对SiR4N吸附Tc(Ⅶ)的影响。结果表明:硝酸浓度为0.55mol/L时,SiR4N对Tc(Ⅶ)的操作交换容量为21.80mg/g(干);在0.50mol/L HNO3溶液中,SiR4N不吸附U(Ⅵ)、Np(Ⅴ)和Np(Ⅵ),而对Np(Ⅳ)、Pu(Ⅳ)的吸附率分别为84.0%和92.0%;用7.0mol/L HNO3溶液解吸,Tc(Ⅶ)解吸率达99.99%,而流出液中没有检测到Np(Ⅳ)、Pu(Ⅳ)。
关键词(KeyWords)： 硅基季铵化分离材料;铀;镎;钚;Tc(Ⅶ);吸附
基金项目(Foundation):
作者(Authors): 孔彦荣;贾永芬;李辉波;王孝荣;王辉;娄海林;
DOI: 10.13355/j.cnki.sfyj.2013.03.011
参考文献(References)：
- [1]Firestone Richard B,Shirley Virginia S,Baglin Coral M,et al.Table of Isotopes[M].8th ed.New York:John Wi-ley and Sons,1996:695.
- [2]谢高阳,俞练民,刘本耀,等.锰分族铁系铂系[M]//张青莲.无机化学丛书:第九卷.北京:科学出版社,1996:80.
- [3]Schwochau Klaus.Technetium Chemistry and Radiophar-maceutical Applications[M].Weinheim:Wiley-VCH,2000:87.
- [4]Suh Moo Yul,Lee Chang Heon,Han Sun Ho,et al.Sepa-ration and Determination of Technetium-99in Spent PWRNuclear Fuels[J].Bull Korean Chem Soc,2003,24(11):1686-1688.
- [5]Zilberman B Ya,Pokhitonov Yu A,Kirshin M Yu,et al.Prospects for Development of A Process for RecoveringTechnetium From Spent Fuel of Nuclear Power Plants[J].Radiochemistry,2007,49(2):156-161.
- [6]李辉波,叶国安,王孝荣,等.硅基季铵化分离材料对Pu(IV)的吸附性能及机理研究[J].核化学与放射化学,2010,32(2):65-69.
- [7]姜志新,宋正孝,竟清.离子交换分离工程[M].天津:天津大学出版社,1992:157-170.