Reverse osmosis polymeric membrane for water filtration - nanostructure and dynamics
Most membranes designed for molecular separations in liquids, namely Reverse Osmosis (RO) and Nanofiltration (NF) membranes, comprise a tight separating film on a more open support. Understanding liquid transport through membranes at the molecular scale remains challenging due to (1) the lack of resolution of the membrane material at the molecular scale and (2) description of molecular flow through the resulting structure. Membrane pores (free volume fluctuations) are commensurate with permeate molecules and therefore describing transport is challenging. The aim of this proposal is to establish the molecular-scale implications of polymer local structure and dynamics, in terms of thin film profile and polymer network motion, of reaction stoichiometry, hydration and membrane ageing.
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CABRAL Joao T.; BARKER Robert; FOGLIA Fabrizia; Bernhard Frick; MILLER Ruhina M and NANIA Manuela. (2015). Reverse osmosis polymeric membrane for water filtration - nanostructure and dynamics. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1718
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