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Keywords:

  • Ceramic foams;
  • Composite materials;
  • Hydrothermal synthesis;
  • Zeolites

A novel zeolite–ceramic composite monolith with a hierarchical bimodal (nano-, macroscale) pore system (see Figure) has been prepared by coating the internal cell walls of microcellular polymer-derived ceramic foams (cell size ∼ 8 μm) with a thin layer of MFI-type zeolite. Applications are envisaged as microreactors and microseparator devices for catalysis and adsorption/ separation because of the material's unique microstructural design.