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Studies on swelling behaviors and pervaporation properties of CA composite membranes for separation of caprolactam/water mixtures

机译：用于己内酰胺/水混合物分离的CA复合膜的溶胀行为和渗透汽化性能研究。

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The composite membranes with cellulose acetate (CA) as separating layer material and polyacrylonitrile (PAN) as supporting layer material were prepared for separating caprolactam (CPL) from CPL/water mixtures by pervaporation technique. The swelling experiments were carried out to investigate the effects of swelling time and CPL concentration on the degree of swelling. The pervaporation experiments were also conducted to investigate the effects of operating parameters, such as, feed composition concentration and feed solution temperature on the pervaporation performances and the experimental results showed that the membranes exhibited high pervaporation performances and poor stable.
机译：制备了以醋酸纤维素（CA）为分离层材料和聚丙烯腈（PAN）为支撑层材料的复合膜，通过渗透蒸发技术从CPL /水混合物中分离出己内酰胺（CPL）。进行溶胀实验以研究溶胀时间和CPL浓度对溶胀程度的影响。还进行了渗透汽化实验，研究了进料组成浓度和进料溶液温度等操作参数对渗透汽化性能的影响，实验结果表明该膜表现出较高的渗透汽化性能和较差的稳定性。

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