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C/CMS composite membranes from poly(furfuryl alcohol) for gas separation were successfully prepared, in which porous coal-based carbon tubes with an average pore diameter of 0.11μm and a porosity of 40.3% were used as support. The tubular support was coated using viscous poly(furfuryl alcohol) liquid to form an organic layer that was transformed into a thin top layer of carbon membrane after pyrolysis...
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