pore diffusion

pore diffusion

[′pȯr di‚fyü·zhən]
(fluid mechanics)
The movement of fluids (gas or liquid) into the interstices of porous solids or membranes; occurs in membrane separation, zeolite adsorption, dialysis, and reverse osmosis.
References in periodicals archive ?
To formulate a generalized model corresponding to the dispersion flow, surface diffusion and pore diffusion mechanism, following assumptions are made:
Intraparticle mass transport is due to Fickian diffusion, and it is characterized by the pore diffusion coefficient, [D.
Investigation of pore diffusion hindrance of monoclonal antibody in hydrophobic interaction chromatography using confocal laser scanning microscopy.
D = effective pore diffusion coefficient in spherical pellets, [m.
This suggests that the overall mechanism of reaction is predominantly pore diffusion controlled.