Materials Science Division, Bhabha Atomic Research Centre, Mumbai 400 085, India.
Fuel Reprocessing Division, Bhabha Atomic Research Centre, Mumbai 400 085, India.
J Hazard Mater. 2014 Feb 15;266:94-101. doi: 10.1016/j.jhazmat.2013.12.010. Epub 2013 Dec 14.
Ensuring environmental protection in and around nuclear facilities is a matter of deep concern. Toward this, layered chalcogenide with CdI2 crystal structure has been prepared. Structural characterizations of layered chalcogenide suggest 'topotactic ionic substitution' as the dominant mechanism behind uptake of different cations within its lattice structure. An equilibration time of 45 min and volume to mass ratio of 30:1 are found to absorb (233)U, (239)Pu, (106)Ru, (85+89)Sr, (137)Cs and (241)Am radionuclides to the maximum extents.
确保核设施内部和周围的环境保护是一个备受关注的问题。为此，制备了具有 CdI2 晶体结构的层状硫属化物。层状硫属化物的结构特征表明，“拓扑离子取代”是其晶格结构中不同阳离子进入的主要机制。发现平衡时间为 45 分钟，体积与质量比为 30:1 时，可最大限度地吸收（233）U、（239）Pu、（106）Ru、（85+89）Sr、（137）Cs 和（241）Am 放射性核素。
