Separation of acetone-water mixtures by pervaporation using NaMMT-loaded PVA-chitosan nanocomposite IPN membranes

被引：2

作者：

Das, Paramita ^{[1
]}

Ray, Samit K. ^{[1
,2
]}

机构：

[1] Univ Calcutta, Dept Polymer Sci & Technol, Kolkata, India

[2] Univ Calcutta, Dept Polymer Sci & Technol, 92 APC Rd, Kolkata 700009, India

来源：

POLYMER ENGINEERING AND SCIENCE | 2024年 / 64卷 / 01期

关键词：

acetone dehydration; box-Behnken design; chitosan; pervaporation; polyvinyl alcohol; sodium montmorillonite; FILLED COPOLYMER MEMBRANES; POLYVINYL-ALCOHOL; BLEND MEMBRANES; ETHYLENE-GLYCOL; DEHYDRATION; PERFORMANCE; ACID;

D O I：

10.1002/pen.26527

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

NaMMT clay incorporated and maleic acid (MA) crosslinked polyvinyl alcohol (PVA)-chitisan (CS) interpenetrating network (IPN) type nanocomposite membranes were prepared for dehydration of acetone by pervaporation (PV). FTIR, XRD, SEM, UV spectroscopy, mechanical properties, contact angle measurement, and DTA-TGA were used to characterize these membranes. The effect of clay, CS, and MA on the flux and separation factor for water were statistically optimized by Box-Behnken design (BBD). Accordingly, the membrane prepared with 39.3 wt.% CS, 3 wt.% each of MA and NaMMT nanoclay showed a flux/separation factor of 0.176-0.733 kg/m(2)h/ 277-168 for the pervaporative dehydration of 99 wt.% acetone.

引用

页码：31 / 51

页数：21

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