Fig. 1: Strategy for rational design and performance characteristics of H2O vapor permselective membrane.
From: A membrane Sabatier system for water recovery and rocket propellant production

a Schematic diagram of H2O vapor permseletive membrane over porous alumina surface. b Pathway for transport of gases through H2O vapor permseletive membrane. c Measurement of single gas permeation through the H2O vapor permseletive membrane at different temperatures under 1.15 bar pressure. d Evaluation of water/single-gas separation performance of H2O vapor permseletive membrane at different temperatures under 1.15 bar pressure. e Evaluation of water/mixed-gas separation performance of H2O vapor permseletive membrane as a function of temperature under 1.15 bar pressure.