... Wesselingh, J.A., The Maxwell – Stefan approach to mass transfer, Chemical Engineering Science, 52, (1997), 861 – 911 [5] Levenspiel, O., Modeling in chemical engineering, Chemical Engineering ... 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 ... importance in different scientific and engineering fields such as medicine, textile industry, membrane separations, packaging in food industry, extraction of solvents and of contaminants, and...