... transfer, Chemical Engineering Science, 52, (1997), 861 – 911 [5] Levenspiel, O., Modeling in chemical engineering, Chemical Engineering Science, 57, (2002), 4691 – 4696 Diffusion in Polymer ... Variation of /tCC for different values of radius of filaments are presented in Fig. 3. As seen in Fig.3, decreasing in radius of filament causes increasing in the rate of saturating. 0 ... permeabilty in terms of solubility and diffusivity,D , (Ashley, 1985). MASS TRANSFER IN CHEMICAL ENGINEERING PROCESSES Edited by Jozef Markoš Mass Transfer in Chemical Engineering Processes...