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Membrane separation processes have been widely used in water purification or gas separation applications because of their process simplicity, low cost operation and small footprint. Nowadays, applications of ceramic membranes with high thermal, chemical and mechanical resistance has rapidly grown in new separation applications where the polymeric membranes cannot be used (e.g., high temperature, strong acidic/basic or solvent-contained corrosive feed solution). In this study, robust ceramic hollow fiber membranes were prepared by extrusion-phase inversion followed by sintering. The effects of preparation conditions on membrane characteristics were studied to improve the separation performance of ceramic membranes. In addition, a variety of modification methods and applications based on ceramic hollow fiber membranes will be discussed.
