Membrane Autopsy

Membrane Autopsies are carried out on elements, from plants that are not performing to design conditions. An autopsy can either be destructive or non-destructive, although only minimal tests can be carried out on a non-destructive autopsy. The physical dissection of an element and analysis of foulants is one of the most definitive troubleshooting tools for membrane systems.

  • External visual examination
  • Internal visual examination
  • Wet test of the element
  • Chemical identification of surface foulants using:
    • FTIR spectrometer
    • Energy Dispersive X-Ray Spectrometer (EDX)
    • Scanning electron microscope (SEM)
  • Loss on ignition test
  • Cell and dye test
  • Fujiwara Test
  • Summary
  • Recommendations

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