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Efficient CO2 methanation over Ni/Al2O3 coated structured catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
53242 46955 2016 10 PDF Available
Title
Efficient CO2 methanation over Ni/Al2O3 coated structured catalysts
Abstract

•3D-printed catalysts were manufactured, functionalized and tested in CO2 methanation.•Coating suspension affects the properties of catalytic coatings.•3D-structured catalysts were found to be more efficient than conventional powder packed bed.

In this work, CO2 methanation was studied over macro-porous metal structures coated with Ni/Al2O3 catalyst. The results were benchmarked with conventional Ni/Al2O3 powder catalyst which was prepared by incipient wetness impregnation and characterized by several physico-chemical techniques. Macro-porous catalytic supports were manufactured by innovative and highly reproducible robocasting technique − three dimensional fibre deposition (3DFD). Supports were coated with Ni/Al2O3 suspension to achieve sufficient catalytic coating. After characterization, catalytic structures were tested in a tubular reactor in CO2 methanation reaction at temperatures between 250 and 450°C. This study shows the effect of the coating suspension composition on the properties of catalytic coatings, as well as how CO2 conversion, methane selectivity and catalyst stability are affected by the architecture of the structured catalyst.

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Keywords
CO2 methanation; Ni/Al2O3 catalytic coating; Structured catalytic supports
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Efficient CO2 methanation over Ni/Al2O3 coated structured catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 273, 15 September 2016, Pages 234–243
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
Online Support
Any Questions? feel free to contact us