Measuring membrane permeation rates through the optical visualisation of a single pore
datasetposted on 2020-03-25, 14:50 authored by Sotiria Tsochataridou, Greg MutchGreg Mutch, Dragos NeaguDragos Neagu, Evangelos PapaioannouEvangelos Papaioannou, Brian Ray, Rosa I. Merino, Marisa L. Sanjuan, Víctor M. Orera, Ian S. Metcalfe
In this work, a dynamic equivalent of a membrane experiment has been produced, by laser-drilling a single pore into a single crystal model membrane. The single pore is then infiltrated with molten carbonate, before being exposed to different gas compositions. Bubbles within the molten carbonate change volume depending on the gas composition, and permeation rates are extracted visually. Overall, this approach allows one to probe vanishingly small driving forces and extract fluxes in regions routine membrane experiments cannot enter.
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European Union's Seventh Framework Programme (FP/2007-2013)/ERC Grant Agreement Number 320725
gas separation membrane applicationsgas separation materialscarbon dioxide (CO2)Carbon Capture ProcessesCarbon capture and storage (CCS)Molten Carbonatesupported molten-salt membranedual phase membranesingle poreSingle CrystalpermeationvisualisationCarbon Capture Engineering (excl. Sequestration)CeramicsMembrane and Separation Technologies