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Keywords:

  • Membranes, gas separation;
  • Mesoporous materials;
  • Permselectivity;
  • Zeolites
Thumbnail image of graphical abstract

A stainless-steel net is used to support a zeolite NaA membrane synthesized using a ‘seeded-growth' method. The zeolite and stainless-steel net are tightly integrated (see Figure), showing large-scale order and high mechanical stability. High oxygen permeance and high permselectivity for O2 over N2 (about 7) is demonstrated.