树枝状硅基纳米粒子对重金属去除研究进展  

Research progress on the removal of heavy metal by dendritic mesoporous silica-based nanoparticles

作　　者：陶疆辉 亢玉龙 樊荣荣 王亚斌 丁秀萍[2] Tao Jianghui;Kang Yulong;Fan Rongrong;Wang Yabin;Ding Xiuping(Shaanxi Key Laboratory of Chemical Reaction Engineering,College of Chemistry and Chemical Engineering,Yan an University,Yan an 716000;Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources,Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining 810008)

机构地区：[1]延安大学化学与化工学院,陕西省化学反应工程重点实验室,延安716000 [2]中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,西宁810008

出　　处：《化工新型材料》2024年第1期77-83,共7页New Chemical Materials

基　　金：国家自然科学基金(52063029);陕西省自然科学基础研究计划资助项目(2022JM-200);延安大学大学生创新创业训练计划项目(D2021025)。

摘　　要：树枝状介孔二氧化硅纳米粒子(DMSNs)独特的三维中心辐射状孔道结构使其具有出色的比表面积和孔体积,表面硅羟基官能团可作为功能化活性位点。已有研究表明,DMSNs基新型吸附剂材料能够替代传统二氧化硅材料(如MCM-41和SBA-15),对重金属离子具有优异的去除作用。综述总结了DMSNs基新型吸附剂材料的功能化方法,比较了其和功能化MCM-41或SBA-15对不同重金属离子(Pb^(2+)、Cr^(6+)、Hg^(2+)等)和放射性金属离子(U(Ⅵ)、Th(Ⅳ)等)的吸附性能,以期为设计具有优越重金属离子去除能力的DMSNs基新型吸附材料提供理论指导。Dendritic mesoporous silica-based nanoparticles(DMSNs) possess excellent specific surface area and pore volume due to their unique three-dimensional center-radial pore structures.The silica hydroxyl groups on surface can be used as active sites for subsequent modifications.Previous studies have demonstrated that DMSNs-based adsorbent materials can efficiently remove heavy metal ions,and thus can replace traditional silica-based adsorbents(such as MCM-41 and SBA-15).This review not only summarized the functionalization methods of DMSNs-based adsorbents,but also compared the adsorption properties of DMSNs-based adsorbent materials with those of traditional functionalized MCM-41 or SBA-15 for different heavy metal ions(Pb^(2+),Cr^(6+),Hg^(2+),etc.) and radioactive metal ions [U(Ⅵ),Th(Ⅳ),etc.].The aim was to provide theoretical guidance for the design of novel DMSNs-based adsorbent materials with superior heavy metal ion removal capacity.

关 键 词：树枝状介孔二氧化硅纳米粒子 吸附剂 重金属去除 功能化介孔二氧化硅材料 

分 类 号：O611.4[理学—无机化学]