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Novel nanocomposite materials for oxygen and hydrogen separation membranes
International Journal of Hydrogen Energy ( IF 7.2 ) Pub Date : 2018-03-19 , DOI: 10.1016/j.ijhydene.2018.02.182
Vladislav A. Sadykov , Alexey V. Krasnov , Yulia E. Fedorova , Anton I. Lukashevich , Yulia N. Bespalko , Nikita F. Eremeev , Pavel I. Skriabin , Konstantin R. Valeev , Oleg L. Smorygo

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.



中文翻译:

用于氧气和氢气分离膜的新型纳米复合材料

氧气和氢气分离膜的设计是当前从生物燃料生产合成气的关注点。已知具有高混合离子-电子导电性的纳米复合材料是用于这些应用的有前途的材料。基于纳米复合材料PrNi这项工作的目的在于氧和氢分离膜的性能研究0.50.5 ø 3-δ  +的Ce 0.9 ý 0.1 ø 2-δ和Nd 5.5 WO 11.25-δ 分别+镍铜合金。这些膜表现出了高的和稳定的性能,可用于实际应用。对于氧气分离膜,CH 4的转化率最高可达50%出口进料中2的含量在900°C时高达25%。对于氢分离膜完整EtOH中转化反应器在实现Ť  〜700℃即使在最高的流动速率,以及高氢(≥1毫升水渗透2 厘米-2 分钟-1)显露。

更新日期:2018-03-19
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