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J. Korean Ceram. Soc. > Volume 29(11); 1992 > Article
Journal of the Korean Ceramic Society 1992;29(11): 905.
기체분리용 세라믹 복합분리막의 개발: III. 기체투과 모델에 의한 막의 특성 규명
현상훈, 윤성필, 강범석
연세대학교 세라믹공학과
Development of Ceramic Composite Membranes for Gas Separation: III. Examination of Membrane Characteristics by the Gas Permeation Model
Model equations for the gas permeation through a ceramic composite membrane were derived for examining the existence of crack, the reproducibility, and the microstructural properties of composite membranes. From the results of analyzing the nitrogen permeability data through alumina-tube supported TiO2 and SiO2 composite membranes, the extent of cracking, and the formation and structure of membrane top-layers were modelled. It was proved that the crack-free and reproducible composite membranes could be easily prepared only by the pore-filled coating within pores of the support in the sol-gel coating process.
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