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源自MIL-100(Fe)的可回收磁性碳质多孔复合材料用于从水溶液中高效吸附和去除孔雀石绿。

Recyclable magnetic carbonaceous porous composites derived from MIL-100(Fe) for superior adsorption and removal of malachite green from aqueous solution.

作者信息

Huo Shu-Hui, Liu Chen-Xu, Zhou Peng-Xin, Yu Jing, Bai Lei, Han Zhen-Gang, Lu Xiao-Quan

机构信息

College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou 730070 China

Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu China.

出版信息

RSC Adv. 2019 Jul 30;9(41):23711-23717. doi: 10.1039/c9ra04310a. eCollection 2019 Jul 29.

DOI:10.1039/c9ra04310a
PMID:35530617
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9069480/
Abstract

Development of novel porous materials for efficient adsorption and removal of environmental pollutants from aqueous solution is of great importance and interest in environmental science and chemistry. Herein, we reported a facile synthesis of recyclable magnetic carbonaceous porous composite derived from iron-based metal-organic framework MIL-100(Fe) for superior adsorption and removal of malachite green (MG) from aqueous solution. Because of large surface area and high porosity, the synthesized magnetic carbonaceous porous material presented a superior adsorption capacity of 2090 mg g for MG. The adsorption of MG on magnetic carbonaceous porous composite is endothermic and spontaneous. The prepared magnetic carbonaceous porous composite could be separated easily and rapidly from the solution matrix by an external magnet. The rapid adsorption, large adsorption capacity and good reusability make it attractive for practical use in the adsorption and removal of dyes from aqueous solutions.

摘要

开发用于从水溶液中高效吸附和去除环境污染物的新型多孔材料在环境科学和化学领域具有极其重要的意义和吸引力。在此，我们报道了一种简便的合成方法，可从铁基金属有机框架MIL-100(Fe)制备可回收的磁性碳质多孔复合材料，用于从水溶液中高效吸附和去除孔雀石绿（MG）。由于具有大的表面积和高孔隙率，合成的磁性碳质多孔材料对MG表现出2090 mg g的优异吸附容量。MG在磁性碳质多孔复合材料上的吸附是吸热且自发的。制备的磁性碳质多孔复合材料可通过外部磁铁轻松快速地从溶液基质中分离出来。快速吸附、大吸附容量和良好的可重复使用性使其在从水溶液中吸附和去除染料的实际应用中具有吸引力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8cca/9069480/c50c4ac31c42/c9ra04310a-f8.jpg
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