Chitosan/ZIF-8 Mixed-Matrix Membranes for Pervaporation Dehydration of Isopropanol

被引：46
作者：
Fazlifard, Sina [1 ]
Mohammadi, Toraj [1 ]
Bakhtiari, Omid [2 ]
机构：
[1] IUST, Res & Technol Ctr Membrane Proc, Tehran 16844, Iran
[2] Razi Univ, Dept Chem Engn, Kermanshah 67149, Iran
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2017年 / 40卷 / 04期
关键词：
Chitosan; Metal-organic framework; Mixed-matrix membranes; Pervaporation; Zeolitic imidazolate frameworks; COMPOSITE MEMBRANES; POLYIMIDE MEMBRANES; BLEND MEMBRANES; SEPARATION; PERFORMANCE; MIXTURES; ALCOHOLS; RECOVERY;
D O I：
10.1002/ceat.201500499
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Zeolitic imidazolate frameworks (ZIF-8) nanoparticles were successfully synthesized and embedded into a chitosan (CS) polymeric matrix to prepare CS/ZIF-8 mixed-matrix membranes (MMMs) in order to investigate the effect of ZIF-8 addition as novel filler on the dehydration performance of the CS polymeric membrane. MMMs were evaluated using pervaporation (PV) dehydration of isopropanol (IPA). The synthesized ZIF-8 nanoparticles and MMMs were characterized by X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, and a swelling study. The PV performance of the prepared MMMs with different ZIF-8 loadings for IPA dehydration was investigated. For the ZIF-8/CS MMMs, at the optimum loading the total flux increases significantly with low separation factor reduction. The good PV performance of the ZIF-8-incorporated CS membranes for dehydration of IPA is demonstrated.
引用
收藏
页码：648 / 655
页数：8
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