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首页> 外文期刊>Separation and Purification Technology >Facilitated transport of carbon dioxide through poly(2-N,N-dimethyl aminoethyl methacrylate-co-acrylic acid sodium) membrane
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Facilitated transport of carbon dioxide through poly(2-N,N-dimethyl aminoethyl methacrylate-co-acrylic acid sodium) membrane

机译：促进二氧化碳通过聚（2-N，N-甲基丙烯酸二甲基氨基乙酯-共丙烯酸钠）膜的运输

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摘要

A water-soluble copolymeric membrane material containing tertiary amine and carboxyl groups for CO_2 facilitated transport have been synthesized by radical polymerization of DMAEMA (2-N,N-dimethyl aminoethyl methacrylate)-AA (acrylic acid).The composite membranes were prepared with copolymer of DMAEMA-AA as separation layer and polysulfone (PS) ultra-filtration membrane as support.The permeation rates of the membranes for pure CO_2 and CH_4 were investigated.The results show that the copolymeric membrane possesses a higher permeance of CO_2.The membrane displays a CO_2 permeance of 6.12 x 10~(-7) cm~3 (STP)/cm~2 s Pa,and a CH_4 permeance of 2.4 x 10~(-9) cm~3 (STP)/cm~2 s Pa at 299 K,1.140 kPa of gas pressure.The results with the mixed gas are not as good as those obtained with pure gas because of the coupling effects between CO_2 and CH_4.
机译：通过DMAEMA（2-N，N-甲基丙烯酸二甲基氨基乙酯）-AA（丙烯酸）的自由基聚合反应，合成了一种含叔胺和羧基的CO_2促进运输的水溶性共聚膜材料。以DMAEMA-AA为分离层，以聚砜（PS）超滤膜为载体。研究了纯CO_2和CH_4膜的渗透率。结果表明，该共聚膜具有较高的CO_2渗透率。 CO_2渗透率为6.12 x 10〜（-7）cm〜3（STP）/ cm〜2 s Pa，CH_4渗透率为2.4 x 10〜（-9）cm〜3（STP）/ cm〜2 s Pa在299 K，1.140 kPa气压下。由于CO_2和CH_4之间的耦合作用，混合气体的结果不如纯气体的结果好。

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