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EDITORIAL – SS&T Special Issue on Ionic Liquids for Separations

The need for separation of substances is practically ubiquitous in industry. Purification of a product of reaction by elimination of byproducts and unreacted starting materials, isolation of a specific compound from a solution, or integral or partial separation of naturally occurring complex matrices, such as petroleum or biomass, are just some examples of the broad range of separations carried out at an industrial level. With the assumed increase in the standards of our quality of life, along with more and more relevant environmental constraints, industrial processes will have to be improved in order to meet the requirements of the society within the framework of sustainability. As a key and inherent part of industry, separation processes cannot remain outside this improving need. Science and technology advances have to be the pillars on which better separation schemes will be developed.