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The electronic effects of Pr on La1−xPrxNiAl11O19 for CO2 reforming of methane

Paper ID Volume ID Publish Year Pages File Format Full-Text
51269 46837 2009 5 PDF Available
Title
The electronic effects of Pr on La1−xPrxNiAl11O19 for CO2 reforming of methane
Abstract

The CO2 reforming of CH4 to synthesis gas by using praseodymium modified hexaaluminate La1−xPrxNiAl11O19 (x = 0, 0.2, 0.4, 0.6, 0.8, 1.0) as catalysts was studied. The modifier Pr improved the reducibility and catalytic activity of Ni ions as active component in the hexaaluminate lattices, especially the conversion of CH4 and CO2 reached 89.62% and 92.94%, respectively over La0.8Pr0.2NiAl11O19. It was found that the addition of Pr can promote the electronic transformation between the Ni ions and the La ions to maintain Ni at a lower valence, which promotes the activation of CH4.

Keywords
La1−xPrxNiAl11O19; Hexaaluminates; CO2–CH4 reforming
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The electronic effects of Pr on La1−xPrxNiAl11O19 for CO2 reforming of methane
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 14, 25 August 2009, Pages 1816–1820
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
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