La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF6428) hollow fibre oxygen-permeable membranes were fabricated by extrusion technique. The oxygen permeability of a blank hollow fibre membrane was investigated with helium as sweeping gas. The oxygen permeation flux result was reported, agreeing very well with previous work. Then the hollow fibre membrane was packed with LSCF6428 catalyst and assembled as hollow fibre membrane reactor for methane combustion, aiming to separate the CO2 in the combustion exhaust from the nitrogen in air. The CO2 selectivity at various conditions was studied.

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