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This work investigates the performance of iron cobalt oxide silica membranes for the separation of binary gas mixtures containing H2 and Ar up to 500°C. A series of membranes were prepared by fixing the iron/cobalt molar ratio at 10/90, 25/75 and 50/50. H2 preferentially permeated though the membranes, and H2 purity in the permeate stream increased with temperature for all H2/Ar binary gas mixtures...
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