Preparation and characterisation of supported L(a0.)8Sr(0.2)MnO(3+x)

Robbie Burch, P.J.F. Harris, C. Pipe

Research output: Contribution to journalArticle

Abstract

Three supported La0.8Sr0.2MnO3+x catalysts were prepared, one supported on lanthanum-stabilised alumina and two supported on a NiAl2O4 spinel. The catalysts were characterised using X-ray diffraction, transmission electron microscopy and surface area measurements following heat-treatments at temperatures up to 1200 degreesC in air. In the alumina-supported catalyst, a reaction occurred between the active phase and the support at high temperatures, indicating that these materials would be unsuitable for high temperature catalytic combustion. Only in the NiAl2O4-supported catalysts were the supported perovskite phases found to be stable at high temperature. These catalysts showed good methane combustion activity. (C) 2001 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)63-73
Number of pages11
JournalAPPLIED CATALYSIS A-GENERAL
Volume210
Publication statusPublished - 2001

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