Pervaporation Study of Ethylene Glycol Dehydration Through Synthesized (PVA-4A)/Polypropylene Mixed Matrix Composite Membranes

被引：64
|
作者：
Shahverdi, Mahnaz [1 ]
Baheri, Bahareh [1 ]
Rezakazemi, Mashallah [1 ]
Motaee, Elahe [1 ]
Mohammadi, Toraj [1 ]
机构：
[1] IUST, Res Ctr Membrane Separat Proc, Fac Chem Engn, Tehran, Iran
来源：
POLYMER ENGINEERING AND SCIENCE | 2013年 / 53卷 / 07期
关键词：
SEPARATION PERFORMANCE ANALYSIS; NANOCOMPOSITE MEMBRANES; WATER MIXTURES; GAS SEPARATION; NANOPARTICLES; SIMULATION; ETHER;
D O I：
10.1002/pen.23406
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Poly(vinyl alcohol) (PVA)/zeolite 4A mixed matrix composite membranes supported on polypropylene micro-filtration membranes were prepared by solution casting method and crosslinked with glutaraldehyde to investigate their pervaporation (PV) separation properties of water-ethylene glycol mixtures. Scanning electron microscopy images showed homogeneous distribution of zeolite nanoparticles within the polymer matrix without any visible macroscopic voids at the zeolite-polymer interface. The PV experiments were accomplished to investigate the effects of water concentration (10-40 wt%) and temperature (60-80 degrees C) on separation performance of the membranes. It was found out that 5 wt% loading of the 4A nanoparticles into the PVA matrix is optimal to obtain the best separation performance. The experimental results revealed that loading of zeolite 4A enhanced the membrane performance [both permeation flux (5%) and separation factor (32%) at 5 wt% zeolite loading]. (C) 2012 Society of Plastics Engineers
引用
收藏
页码：1487 / 1493
页数：7
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