Critical points in the analysis of membrane pore structures by thermoporometry

F.P. Cuperus, F.P. Cuperus, D. Bargeman, D. Bargeman, C.A. Smolders, C.A. Smolders

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Abstract

Several ultrafiltration membranes of the anisotropic and isotropic type were characterized by means of the thermoporometry. Successive cooling and heating runs were performed in order to investigate the effects of the water-ice and ice-water phase transitions on the structure of the membranes. The results found for membranes having different casting thicknesses indicate that, in some cases, pores in the sublayer of anisotropic UF membranes frustrate the measurement of the, for the separation, relevant porse present in the top layer.
Original languageUndefined
Pages (from-to)45-53
Number of pages9
JournalJournal of membrane science
Volume0
Issue number66
DOIs
Publication statusPublished - 1992

Keywords

  • IR-12700
  • METIS-106881

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