State of the art and prospects of chemically and thermally aggressive membrane gas separations: Insights from polymer science

Membrane gas separation at high temperatures and in the presence of aggressive chemicals, such as H2S, NH3, SOx, NOx hot water vapor, is attracting interest from both a fundamental industrial standpoint. To fully exploit benefits membrane technology, it imperative to develop materials that withstand thermally chemically harsh conditions, well understand principles underpinning transport species polymer membranes. In this paper, we review state art separations environments, with emphasis on membranes polymer-based mixed matrix Guidelines for selection environments are provided, major roadblocks progress field discussed, possible strategies remove proposed. Research needs identified recommendations future research directions provided. Finally, put broad perspective performance most promising literature materials, selectivity-permeability upper bounds complex mixtures containing wide temperature range shown discussed.