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

页码：1487 / 1493

页数：7

共 47 条

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