Amino-MIL-53(Al) sandwich-structure membranes for adsorption of p-nitrophenol from aqueous solutions

被引：104
作者：
Jia, Zhiqian [1 ]
Jiang, Mingchen [1 ]
Wu, Guorong [1 ]
机构：
[1] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2017年 / 307卷
基金：
中国国家自然科学基金;
关键词：
Adsorptive membrane; Sandwich structure; Adsorption; Amino-MIL-53(Al); p-Nitrophenol; 2-PHASE PARTITIONING BIOREACTOR; METAL-ORGANIC FRAMEWORKS; HOLLOW-FIBER MEMBRANE; WATER TREATMENT; VISIBLE-LIGHT; WASTE-WATER; REMOVAL; PHENOL; NANOPARTICLES; PHOTOCATALYST;
D O I：
10.1016/j.cej.2016.08.090
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Novel sandwich PES-SPES/amino-MIL-53(Al)/PTFE adsorptive membranes were prepared by a filtration/immersion precipitation method and employed for the removal of p-nitrophenol (PNP) from water. The static adsorption thermodynamics, kinetics, dynamic adsorption/desorption and membrane reusability were investigated. The results showed that, amino-MIL-53(Al) displays very high saturation adsorption capacity towards PNP (297.85 mg g(-1)). The sandwich membranes showed much higher adsorption performance (static adsorption capacity, breakthrough volume, saturation volume, dynamic adsorption capacity) and lower pressure drop than those of blank and mixed matrix membranes. With increased amino-MIL-53(Al) content, the maximum static adsorption capacity, saturation volume and dynamic adsorption capacity significantly increased. The sandwich membranes exhibited excellent reusability even after four recycles. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：283 / 290
页数：8
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