温室效应是如今人类所面临的一个重大问题,而二氧化碳对温室效应的"贡献"最大,因此发展研究捕集CO2的新型高效节能技术及相关理论,对避免温室效应,保护环境具有极其重要的意义.本文提出了将膜分离法和水合物法结合起来即水合物膜法,并利用自行组建的水合物膜法分离二氧化碳实验系统初步探索了多孔陶瓷管的孔径,体系的压力、温度、气体组成等条件对水合物膜形成的影响.结果表明,采用380 nm孔径的α-Al2O3陶瓷管组装成膜分离器,CO2/N2原料混合气中CO2含量越高,压力越高,温度越低,保持的静态时间越长,越有利于完整无缺陷的水合物膜的形成.
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