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Methane reforming to synthesis gas over Ni catalysts modified with noble metals

Paper ID Volume ID Publish Year Pages File Format Full-Text
41193 45880 2011 24 PDF Available
Title
Methane reforming to synthesis gas over Ni catalysts modified with noble metals
Abstract

Nickel is an effective component for the steam reforming of methane in terms of the catalytic activity and the catalyst cost. When Ni catalysts are applied to dry reforming, oxidative reforming, and catalytic partial oxidation, it is necessary to add the properties of high resistance to oxidation, hot spot formation, and coke deposition, to the Ni catalysts. An efficient method for giving these properties while considering the catalyst cost is the modification of Ni metal particles with small amounts of noble metals. An important point is that preparation methods can affect the structure of noble metal–Ni bimetallic particles, which is connected to the catalytic performances. The additive effects of noble metals on the catalytic performances are summarized in terms of activity, suppression of Ni oxidation, carbon formation, self-activation, and sustainability in the daily startup and shutdown operations.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (145 K)Download as PowerPoint slideHighlights► Addition of noble metals to Ni catalysts gives noble metal–Ni bimetallic particles. ► The structure of bimetallic particles is influenced by the preparation method. ► Noble metal–modified Ni catalysts show high performances by the synergetic effect. ► Activity, stability, hot spot, activation, and regeneration properties are improved.

Keywords
Methane reforming, Synthesis gas, Ni catalyst, Noble metal, Ni oxidation, Hot spot, Carbon formation, Self-activation, Daily startup and shut down
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 408, Issues 1–2, 28 November 2011, Pages 1–24
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