材料科学
铀
零价铁
吸附
水溶液
环境修复
铀酰
纳米孔
地下水修复
金属有机骨架
纳米技术
无机化学
纳米材料
纳米颗粒
化学工程
吸附
化学
污染
物理化学
冶金
工程类
生物
生态学
作者
Lin Xu,Duo Zhang,Fuyin Ma,Jiarong Zhang,Afshin Khayambashi,Yawen Cai,Lanhua Chen,Chengliang Xiao,Shuao Wang
标识
DOI:10.1021/acsami.9b06068
摘要
The nano-MOF+ technique was employed by assembling nanoporous metal-organic framework (MOF) UiO-66 with nanoscale zero-valent iron (ZVI) particles to remove uranyl ions from aqueous solution under anoxic condition for the first time. The synthesized composite of Fe0@UiO-66-COOH exhibits a synergic effect between uranyl sorption by MOF host of UiO-66-COOH and chemical reduction by ZVI, reaching much elevated removal capacity and rate in comparison to those of the pristine UiO-66-COOH. The combined complexation and reduction mechanisms are further elucidated by the synchrotron radiation X-ray absorption near-edge structure analysis. This work highlights the bright future of the nano-MOF+ technique in the application of uranium removal, especially for the remediation of the uranium-contaminated subsurface environment.
科研通智能强力驱动
Strongly Powered by AbleSci AI