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Issue 24, 2020
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Sulfur resilient nickel based catalysts for steam reforming of jet fuel

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Abstract

Sulfur resilient steam reforming catalysts are of great interest for the development of solid oxide fuel cell systems for aeronautic applications. We demonstrate that nickel–manganese catalysts exhibit substantially improved stability during steam reforming of sulfur containing fuels via a sulfur spillover strategy as compared to monometallic nickel catalysts. This is established via detailed deactivation studies of catalysts in steam reforming conditions with sulfur containing model fuels and real jet fuels (JP-8). Through detailed characterization of spent catalysts, we establish that the increased sulfur resilience is imparted by an increased sulfur capacity due to scavenging by manganese oxide species in close proximity to active nickel particles. Results presented in this work could pave the way for practical application of precious-metal-free steam reforming catalysts in sulfur rich streams, both in aeronautic SOFC systems and other applications.

Graphical abstract: Sulfur resilient nickel based catalysts for steam reforming of jet fuel

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Article information


Submitted
04 Aug 2020
Accepted
25 Oct 2020
First published
27 Oct 2020

Catal. Sci. Technol., 2020,10, 8429-8436
Article type
Paper

Sulfur resilient nickel based catalysts for steam reforming of jet fuel

C. Brady, J. Pan and B. Xu, Catal. Sci. Technol., 2020, 10, 8429
DOI: 10.1039/D0CY01559H

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