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Water gas shift reaction studies on 2% Pd/AMn1−xFexO3 (A = Ba, La, Pr; x = 0.4, 0.6) perovskites

Paper ID Volume ID Publish Year Pages File Format Full-Text
44651 46050 2006 7 PDF Available
Title
Water gas shift reaction studies on 2% Pd/AMn1−xFexO3 (A = Ba, La, Pr; x = 0.4, 0.6) perovskites
Abstract

BaMn0.6Fe0.4O3, BaMn0.4Fe0.6O3, LaMn0.6Fe0.4O3, LaMn0.4Fe0.6O3, PrMn0.6Fe0.4O3, and PrMn0.4Fe0.6O3 perovskites were synthesized via malic acid complexation and impregnated with 2% of palladium by dry-wet method. WGSR measurements were carried out in a stainless steel continuous flow reactor. The A-site metal increased the conversion of H2 and CO2 in the order Ba < La < Pr. Comparison of the B-site metal combinations showed higher conversions for Mn0.4Fe0.6 than Mn0.6Fe0.4. The formation of carbonaceous surface species was observed. In measurements with a gas chromatograph, the oxidation of surface palladium was found to decrease in the order La > Pr > Ba. No correlation was observed between WGSR activity and oxidation of palladium.

Keywords
Perovskite; WGSR; Oxidation of palladium
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Water gas shift reaction studies on 2% Pd/AMn1−xFexO3 (A = Ba, La, Pr; x = 0.4, 0.6) perovskites
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 311, 1 September 2006, Pages 79–85
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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