氧化石墨烯材料对水溶液中放射性元素的吸附去除研究进展

    Research Advances in Adsorption Removal of Radionuclides in Aqueous Solution by Graphene Oxide Materials

    • 摘要: 作为一种高效的新型吸附材料,氧化石墨烯由于具有巨大的比表面积和丰富的含氧官能团等特性,在放射性元素的吸附去除中展现出巨大的应用潜力。本文主要介绍了氧化石墨烯及其复合材料的结构性质与制备方法,并对其在水溶液中吸附去除放射性元素铀、钍、铕的研究进行了综述,通过表面改性或与其它功能性材料复合可显著提高对放射性元素的吸附去除性能,并对吸附机理进行了总结,最后展望了今后的研究方向并提出了建议。

       

      Abstract: As an efficient new adsorption material, graphene oxide(GO) has shown great application potential in the adsorption removal of radionuclides in aqueous solution due to the huge specific surface area and abundant oxygen-containing functional group. This review mainly introduces the structure properties and preparation methods of GO and GO-based composites and their adsorption removals of radioactive nuclide uranium,thorium and europium in aqueous solution. Surface modification or combination with other functional materials are effective methods to improve the adsorption capabilities for radionuclide adsorption removal. The adsorption mechanisms are summarized. Finally, the future research directions in the field are prospected and some suggestions are given.

       

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