Separation & Purification Reviews provides comprehensive summaries and interdisciplinary viewpoints of significant developments in all areas of separation and purification, including innovative methods, apparatus, theories, and applications. The journal presents reviews that cover a large amount of scientific/technical information in a concise and organized manner on topics such as adsorption, centrifugation, chromatography, crystallization, distillation, extraction, filtration, ion exchange, membrane separations of solid, liquid or gaseous materials. The appropriate content of review manuscripts is described in: Berthod, A. (2009) "So What? or Required content of a review article." Sep. Purif. Rev. 38:203-206.PEER REVIEW