High oxygen permeation rate in la0.6sr0.4ti 0.3fe0.7o3 thin membrane on a porous support with multichannel structure for ch4 partial oxidation

Akihiro Kawahara, Yousuke Takahashi, Yuji Hirano, Masayoshi Hirano, Tatsumi Ishihara

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A preparation of La0.6Sr0.4Ti0.3Fe 0.7O3 (LSTF) perovskite oxide on a support with a unique multichannel structure achieved a high oxygen permeation rate. A LSTF thin membrane with 60μm thickness was successfully prepared on the multichannel support with 30% porosity. The oxygen permeation rate was much improved by using the multichannel structured support, as the permeated oxygen was removed rapidly. On the other hand, partial oxidation of CH4 into CO and H2 is dominant on the LSTF membrane. The oxygen permeation rate increased as the thickness of the membrane and the porous support decreased, and a value of 13.3 cm3/(min cm2) was achieved at 1273 K under a CH4 partial oxidation condition.

Original languageEnglish
Pages (from-to)5511-5516
Number of pages6
JournalIndustrial and Engineering Chemistry Research
Volume49
Issue number12
DOIs
Publication statusPublished - Jun 16 2010

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Permeation
Oxygen
Membranes
Oxidation
Carbon Monoxide
Perovskite
Oxides
Porosity

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering

Cite this

High oxygen permeation rate in la0.6sr0.4ti 0.3fe0.7o3 thin membrane on a porous support with multichannel structure for ch4 partial oxidation. / Kawahara, Akihiro; Takahashi, Yousuke; Hirano, Yuji; Hirano, Masayoshi; Ishihara, Tatsumi.

In: Industrial and Engineering Chemistry Research, Vol. 49, No. 12, 16.06.2010, p. 5511-5516.

Research output: Contribution to journalArticle

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