REPLENISING LIQUID MATERIAL TO MEMBRANE

There is provided a process for effecting separation of at least a gaseous permeate-disposed operative material from a gaseous 5 supply material that is being supplied to a gaseous supply material receiving space (10) that is disposed in mass transfer communication with a permeate receiving space (20) through a membrane (30), the gaseous supply material including an operative material that defines a gaseous supply material-disposed operative material, and the membrane (30) including a gel. The process includes replenishing liquid material that has become depleted from the gel.