A Novel Time Lag Method to Measure the Permeation of Vapor-Gas Mixtures

Jiahui Chen, Leslie S. Loo, Kean Wang

Abstract


A novel time lag method was proposed to study the permeation of gas mixtures or vapor-gas mixtures. This technology, which is based on the difference in the boiling points of the components, can simultaneously measure the mass transport properties of each component. The permeation of a binary mixture of H2O(v)/CO2 was measured on a composite polymer membrane to demonstrate the feasibility of the technology. The method is low-cost and convenient for the future study of the permeation/separation of such gas mixtures as natural gas, flue gas, etc.

Keywords


Time lag, permeation, separation, mass transport

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ISSN: 1929-6037