Process of Membrane Separation: Comparison with Competing Traditional Processes

Dear Colleagues,

Society is facing serious problems related to the increase of the world population and the need to have more economically viable processes, along with the use of renewable energy and feedstock sources. This necessity is expressed in the goal 9 of the 2030 agenda of EU (build resilient infrastructure, promote sustainable industrialization, and foster innovation). Membrane technologies are candidates with high potential in separation processes to partially (in an integrated process) or totally replace traditional separation processes (e.g., evaporation, adsorption, and chromatography). Indeed, membrane technologies are becoming more versatile, as they process gas and aqueous streams but also organic streams (in organic solvent nanofiltration). Membranes may increase their lifetime when using, e.g., ceramic membranes and may operate in one step or in cascade configuration. Further, they address the purification of the target compounds but also solvent recycling.

The suitability of membrane technologies in separation processes should be compared with competing traditional technologies by performing a comparative process analysis (including safety issues), a technoeconomic analysis (including energy consumption and sensitivity analyses of the most relevant parameters), an environmental analysis (e.g., green metrics) or a life cycle analysis.

Dr. Carla Brazinha
Guest Editor

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