Preparation and characterization of high-flux polysulfone hollow fibre gas separation membranes
作者： Dongliang Wang , W.K. Teo , K. Li
DOI: 10.1016/S0376-7388(02)00047-9
关键词:
摘要: Polysufone (PSf) hollow fibre membranes with high gas separation performance were prepared from N-methyl-2-pyrrolidone (NMP)/H2O and NMP/ethanol solvent systems. Water was used as the external coagulant. The internal coagulants used include water, ethanol, 2-propanol, the mixture of water/ethanol and water/2-propanol. The effect of air gaps, the polymer concentration and the coagulation bath temperature on the membrane structure and gas permeation properties was investigated. The membranes were characterized by …
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