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Novel nanocomposite materials for oxygen and hydrogen separation membranes
Affiliation:1. Boreskov Institute of Catalysis SB RAS, Pr. Akad. Lavrentieva 5, Novosibirsk 630090, Russia;2. Novosibirsk State University, Pirogova Str. 2, Novosibirsk 630090, Russia;3. Powder Metallurgy Institute, Platonova Str. 41, Minsk 220005, Belarus;1. Dept. of Chemical Sciences, University of Padova, Via F. Marzolo, 1, 35131, Padova, Italy;2. CNR-ICMATE, INSTM, Via F. Marzolo, 1, 35131, Padova, Italy;3. Paul Scherrer Institut, Villigen PSI, 5232, Switzerland;1. Beijing University of Chemical Technology, College of Mechanical and Electrical Engineering, Chaoyang District, North Third Ring Road on the 15th, Beijing, China;2. Beijing Union University, College of Arts and Science, Chaoyang District, North Fourth Ring Road on the 97th, Beijing, China;1. School of Engineering, International University of Beirut, PO Box 146404, Beirut, Lebanon;2. FCLAB, CNRS, Univ. Bourgogne Franche-Comte, Belfort Cedex, France;3. Univ. Paris Diderot, Sorbonne Paris Cité, Interdisciplinary Energy Research Institute (PIERI), Paris, France;4. Zagazig University, Faculty of Engineering, Electrical Power and Machines Dept., 44519, Zagazig, Egypt;5. FEMTO-ST UMR CNRS 6174, FCLab FR CNRS 3539, UTBM, 90010, Belfort Cedex, France;1. Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia;2. Ural Federal University, 620002 Yekaterinburg, Russia;3. Institute of Metallurgy, UB RAS, 620016 Yekaterinburg, Russia;1. Boreskov Institute of Catalysis SB RAS, Pr. Akad. Lavrentieva 5, Novosibirsk, 630090, Russia;2. Novosibirsk State University, Pirogova Str. 2, Novosibirsk, 630090, Russia;3. Institute of High Temperature Electrochemistry, UB RAS, Akademicheskaya Str. 20, Yekaterinburg, 620137, Russia;4. Ural Federal University, Mira Str. 19, Yekaterinburg, 620002, Russia;5. Institute of Metallurgy, UB RAS, Amundsena Str. 101, Yekaterinburg, 620137, Russia;6. Budker Institute of Nuclear Physics SB RAS, Pr. Akad. Lavrentieva 11, Novosibirsk, 630090, Russia
Abstract:Design of oxygen and hydrogen separation membranes is the point of current interest in producing syngas from biofuels. Nanocomposites with a high mixed ionic-electronic conductivity are known to be promising materials for these applications. This work aims at studying performance of oxygen and hydrogen separation membranes based on nanocomposites PrNi0.5Co0.5O3-δ + Ce0.9Y0.1O2-δ and Nd5.5WO11.25-δ + NiCu alloy, respectively. A high and stable performance promising for the practical application was demonstrated for these membranes. For oxygen separation membrane CH4 conversion is up to 50% with H2 content in the outlet feed being up to 25% at 900 °C. For reactor with hydrogen separation membrane complete EtOH conversion was achieved at T ∼ 700 °C even at the highest flow rate, and a high hydrogen permeation (≥1 ml H2 cm−2 min−1) was revealed.
Keywords:Oxygen separation membranes  Hydrogen separation membranes  Nanocomposites  Methane oxi-dry reforming  Ethanol steam reforming
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