ZEOLITE MEMBRANE EVALUATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a zeolite membrane evaluation method capable of evaluating a large number of zeolite membranes stably in a short time.SOLUTION: There is provided a zeolite membrane evaluation method for a zeolite membrane formed on a porous support by which, preferably after the zeolite membrane is heated, a space that one surface of the zeolite membrane contacts is vacuumed, and gas with molecular diameter larger than pore size of zeolite constituting the zeolite membrane is supplied to the other surface of the zeolite membrane so that an amount of permeation of the gas to the space is measured.