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How r&d can bring membrane technology to the next level?


For this paper, different real case studies and simulations have been analyzed in order to define the membrane R&D objectives which will bring the membrane technology to the next level. Membrane processes are indeed not always competitive in comparison to solvent based absorption or cryogenic processes due to the limited membrane performance. It has been shown that to broaden membrane application fields and to perform consequent cost savings, several parameters have to be optimized: chemical resistance, membrane permeance which has to be increased by at least a factor 2 and membrane selectivity which has to be increased by a factor 2 to 4. This large stretch in membrane performance could lead to more than 25% Capex decrease while reaching stringent specifications.