3D Membrane Imaging and Porosity Visualization

Ganesh Sundaramoorthi, Markus Hadwiger, Mohamed Ben Romdhane, Ali Reza Behzad, Poornima Madhavan, Suzana Pereira Nunes

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


Ultrafiltration asymmetric porous membranes were imaged by two microscopy methods, which allow 3D reconstruction: Focused Ion Beam and Serial Block Face Scanning Electron Microscopy. A new algorithm was proposed to evaluate porosity and average pore size in different layers orthogonal and parallel to the membrane surface. The 3D-reconstruction enabled additionally the visualization of pore interconnectivity in different parts of the membrane. The method was demonstrated for a block copolymer porous membrane and can be extended to other membranes with application in ultrafiltration, supports for forward osmosis, etc, offering a complete view of the transport paths in the membrane.
Original languageEnglish (US)
Pages (from-to)3689-3695
Number of pages7
JournalIndustrial & Engineering Chemistry Research
Issue number12
StatePublished - Mar 21 2016


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