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Organic solvent nanofiltration (OSN) is a pressure-driven membrane process discriminating molecules in the range of 200-1000 Da, providing high quality products through gentle operating conditions. OSN has significant potential in chemical-related industries employing organic solvents including ionic liquids. The main advantages of OSN technologies include low energy consumption, operation time, and process complexity as well as improved production sustainability, quality, and yield. The article seeks to provide insight into the state-of-the-art research in the field, including the development of new polymeric and ceramic OSN membranes, modeling studies of the transport mechanisms through OSN membranes, engineering of membrane modules, development of new membrane characterization techniques, and novel OSN application. Keywords: polymeric membranes; ceramic membranes; membrane characterization techniques; transport modelling; mass transfer; concentration polarization; scale-up; ionic liquid recovery; pharmaceutical purification; catalyst recovery |
