Transport of oxygen and carbon dioxide through polycarbonate membrane |
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| Authors: | Seong-Youl Bae Du-Hyon Cho Hee-Taik Kim Hidehiro Kumazawa |
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| Affiliation: | (1) Department of Chemical Engineering, Hanyang University, 133–791 Seoul, Korea;(2) Department of Chemical Engineering, Kyoto University, 606–01 Kyoto, Japan |
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| Abstract: | Sorption equilibria and permeation rates for oxygen and carbon dioxide in polycarbonate membrane were measured at different temperature between 30 and 60°C and at pressures up to 2.5 MPa. The pressure dependence of mean permeability coefficient to oxygen obeyed the conventional dual-mode mobility model, whereas that to carbon dioxide followed a modified dual-mode mobility model with concentration-dependent diffusivities, as that of polystyrene to the same gas did. |
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