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Podrobné materiálové charakteristiky z transportních procesů a texturní analýzy

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  • Transport Chracteristics
  • Wicke-Kallenbach Diffusion Cell
  • Graham Diffusion Cell


The structure of porous solids is traditionally characterized by mercury porosimetry or physical adsorption of inert gases. The transport characteristics can be advantageously determined by evaluation of simple transport processes (e.g. multicomponent gas diffusion or permeation). Transport characteristics and textural properties of a set of porous catalyst pellets with wide range of mean pore radii (from 30 up to 3000 nm) were determined. by evaluated of multicomponent counter-current gas diffusion and permeation measurements. For gas diffusion the results from the Wicke-Kallenbach and Graham cell were compared.

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