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电渗析法再生CO2碱吸收液的初步探讨
Primary Study of Recovery the CO2 Absorbant Solution with Electrodialysis
【摘要】 以Na2CO3和NaHCO3的混合液作为用碱液吸收CO2气体的模拟液,用两室单阴膜电渗析装置对其在小于5V的低电压下进行脱碳处理,并且得出电渗析的方法可以增加回收液中Na2CO3和NaHCO3的浓度比,减少碳的总浓度,起到了对CO2的碱吸收液再生利用的作用。
【Abstract】 An electrodialysis(ED) reactor with anion-selective membrane is employed to recovery the base solution which had absorbed CO2 under low voltage.In this experiment,the mixed solution of Na2CO3 and NaHCO3 is used to simulate the base solution.The results of the experiments are presented and discussed.Moreover,the results indicate that electrodialysis can raise the ratio of the concentration between Na2CO3 and NaHCO3 and reduce the total concentration of carbon in the solution.The base absorbent solution can be recovered through this process.
【关键词】 电渗析;
碱液再生;
二氧化碳;
阴离子膜;
【Key words】 Electrodialysis Recovery Base Carbon Dioxide Anion-selective Membrane;
【Key words】 Electrodialysis Recovery Base Carbon Dioxide Anion-selective Membrane;
- 【文献出处】 环境保护科学 ,Environmental Protection Science , 编辑部邮箱 ,2006年01期
- 【分类号】X703
- 【被引频次】1
- 【下载频次】108