Design and performance of asymmetric supported membranes for oxygen and hydrogen separation

Vladislav A. Sadykov, Nikita F. Eremeev, Yulia E. Fedorova, Alexey V. Krasnov, Ludmilla N. Bobrova, Yulia N. Bespalko, Anton I. Lukashevich, Pavel I. Skriabin, Oleg L. Smorygo, Andre C. Van Veen

Research output: Contribution to journalArticlepeer-review

Abstract

Producing syngas and hydrogen from biofuels is a promising technology in the modern energy. In this work results of authors’ research aimed at design of supported membranes for oxygen and hydrogen separation are reviewed. Nanocomposites were deposited as thin layers on Ni–Al foam substrates. Oxygen separation membranes were tested in CH4 selective oxidation/oxi-dry reforming. The hydrogen separation membranes were tested in C2H5OH steam reforming. High oxygen/hydrogen fluxes were demonstrated. For oxygen separation membranes syngas yield and methane conversion increase with temperature and contact time. For reactor with hydrogen separation membrane a good performance in ethanol steam reforming was obtained. Hydrogen permeation increases with ethanol inlet concentration, then a slight decrease is observed. The results of tests demonstrated the oxygen/hydrogen permeability promising for the practical application, high catalytic performance and a good thermochemical stability.

Original languageEnglish
JournalInternational Journal of Hydrogen Energy
DOIs
Publication statusAccepted/In press - 1 Jan 2020

Keywords

  • Asymmetric supported membranes
  • Methane and ethanol reforming
  • Nanocomposites
  • Oxygen and hydrogen separation
  • Process parameters

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