New expressions for single and binary permeation through zeolite membranes for different isotherm models

▶ New Maxwell-Stefan thermodynamic factors for pure gas permeation. ▶ New Maxwell-Stefan thermodynamic factors for permeation of binary mixtures. ▶ Thermodynamic factors for Langmuir-Freundlich, Nitta, Toth isotherms. ▶ Model predicts multicomponent permeation from pure data parameters.