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An active and coke-resistant dry reforming catalyst comprising nickel–tungsten alloy nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
49364 46740 2015 6 PDF Available
Title
An active and coke-resistant dry reforming catalyst comprising nickel–tungsten alloy nanoparticles
Abstract

•Ni17W3/SiO2 performed better than Ni/SiO2 for the dry reforming reaction.•Ni is stabilized in form of Ni17W3.•α-WC formed during the DRM reaction facilitates the CO2 dissociation.

Nickel catalysts catalyzing the DRM reaction have the problems of sintering and coking. Herein we proposed an idea of stabilizing nickel by Ni17W3 alloy, and α-WC formed during the DRM reaction participated in the CO2 activation, leading to a better coke resistance of Ni17W3/SiO2 catalyst. Due to better Ni dispersion and less coke deposition, Ni17W3/SiO2 catalyst exhibits an improved catalytic stability for the DRM reaction compared with the model Ni/SiO2 catalyst.

Keywords
Methane; Carbon dioxide; Tungsten carbide; Nickel
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An active and coke-resistant dry reforming catalyst comprising nickel–tungsten alloy nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 69, 5 September 2015, Pages 123–128
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
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