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A number of U‐shaped K2NiF4‐type oxide hollow fiber membranes based on (Pr0.9La0.1)2(Ni0.74Cu0.21Ga0.05)O4+δ (PLNCG) were successfully prepared by a phase inversion spinning process. The PLNCG hollow fiber membranes were then used to investigate the effect of CO2 concentration in both the sweep gas and the feed air on the oxygen permeation flux. With pure CO2 as the sweep gas and even 10% CO2 in the...
A novel K2NiF4‐type oxide based on (Pr0.9La0.1)2(Ni0.74Cu0.21Ga0.05)O4+δ (PLNCG) dense mixed conducting ceramic membrane was successfully prepared through a sol–gel route. The oxygen permeation flux through the membrane swept by pure CO2 was comparative to that swept by He. The oxygen permeation and the stability of PLNCG under pure CO2 were investigated in detail. A membrane with a thickness of 0...
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