Газопроницаемость анодированных оксидно-алюминиевых мембран со слоем палладий-рутениевого сплава

Gas permeability of anodized alumina membranes with a palladium-ruthenium alloy layer

Compositions with a layer of palladium-ruthenium alloy 0.2 μm thick on thermally stable and chemically resistant membranes from polycrystal aluminium gamma-oxide covered by tantalum layer, permeable only for hydrogen, have been prepared. Permeability of hydrogen, nitrogen, argon and helium through initial amorphous and polycrystal membranes, as well as through membranes covered by the layers of tantalum tantalum and palladium-ruthenium alloy has been studied. Membranes permeable solely for hydrogen and applicable for isolation of special-purity hydrogen from hot industrial gases and fit for use in membrane reactors of selective hydrogenation have been obtained. 10 refs., 5 figs