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Effect of honeycomb supporting on activity of LaBO3±δ perovskite-like catalysts for methane flameless combustion

Paper ID Volume ID Publish Year Pages File Format Full-Text
49034 46541 2006 6 PDF Available
Title
Effect of honeycomb supporting on activity of LaBO3±δ perovskite-like catalysts for methane flameless combustion
Abstract

The activity of honeycomb supported LaBO3±δ (B = Fe, Mn and Co) and La2NiO4 was tested for the catalytic flameless combustion (CFC) of methane and compared with their catalytic behaviour in powder form. Catalyst supporting brought about some modifications, mainly the complete loss of the suprafacial activity. Furthermore, thermal resistance of supported samples was checked through accelerated deactivation tests and showed to strongly depend on the nature of the B ion. Structural and morphological properties of fresh and aged catalysts, both in powder form (either pure or mixed with the primer precursor) and as honeycomb-supported samples, were compared to investigate the effect of each step of the dip-coating procedure. This allowed to shed light on the causes of the structural and chemical changes occurring during the wash-coating and leading to more or less severe decrease of performance and of thermal resistance of the final catalyst.

Keywords
Perovskites; Methane; Catalytic combustion; Lanthanum oxide; Supporting on honeycomb monoliths
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Effect of honeycomb supporting on activity of LaBO3±δ perovskite-like catalysts for methane flameless combustion
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 63, Issues 1–2, 22 March 2006, Pages 131–136
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us