Enhanced removal of iodide from water induced by a metal-incorporated porous metal-organic framework

被引：68
|
作者：
Zhao, Xudong [1 ]
Han, Xiao [1 ]
Li, Zhengjie [1 ]
Huang, Hongliang [1 ]
Liu, Dahuan [1 ]
Zhong, Chongli [1 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2015年 / 351卷
关键词：
Adsorption; Metal-organic frameworks; Iodide; Ion exchange; Silver; SELECTIVE ADSORPTION; MOFS; SORPTION; STABILITY; ETHYLENE; CAPTURE; IRMOF-3; ROBUST;
D O I：
10.1016/j.apsusc.2015.05.186
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Silver(I) was successfully loaded into the water-stable MOF, MIL-101( Cr)-SO3H, via ion exchange process. Uniform distribution of -SO3H groups in the porous MOF and strong ionic interaction between -SO3- and silver(I) can prompt the distribution of silver(I) homogeneous in the resulted MIL-101(Cr)-S03Ag. As a proof-of-concept demonstration, MIL-101(Cr)-SO3 Ag was applied to the removal of iodide from aqueous solution, which is the first time to remove such toxicant using MOFs to the best of our knowledge. MIL-101(Cr)-SO3Ag shows a high iodide adsorption capacity of 244.2 mg g(-1), much higher than that of the unmodified sample (94.1 mg g(-1)). Thus, we provide a convenient approach of loading metal ion in MOFs with the help of organic functional groups for the specific target. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：760 / 764
页数：5
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