Listar por tema "Permeability"

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    • openAccess   Comparison of extruded and pressed low cost ceramic supports for microfiltration membranes 

      Lorente Ayza, Maria Magdalena; Mestre Beltrán, Sergio; Menéndez, M.; Sánchez-Vilches, Enrique Copyright © Elsevier (2015)
      A comparison has been made between ceramic supports for microfiltration membranes of the same composition obtained by pressing and by extrusion in terms of microstructure and properties. The extruded supports displayed ...

    • openAccess   On the underestimated effect of the starch ash on the characteristics of low cost ceramic membranes 

      Lorente Ayza, Maria Magdalena; Mestre Beltrán, Sergio; Sanz-Solana, Vicente; Sánchez-Vilches, Enrique Elsevier (2016)
      Starches are commonly used as a pore generator in the fabrication of low-cost ceramic membranes, since they are cheap, innocuous, environmentally friendly and easy to burn. Nevertheless, the influence of starches residues ...

    • openAccess   Preparation of chamott es as raw material for low - cost ceramic membranes 

      Lorente Ayza, Maria Magdalena; Orts Tarí, María José; Gozalbo Nebot, Ana; Mestre Beltrán, Sergio Wiley (2016)
      Low cost ceramic membranes are usually prepared fro m a mixture of natural raw materials and some organic porogen agent, as starch . The fact that the porogen must be completely eliminated during firing, leaving an ...