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High temperature methanation: Catalyst considerations

Paper ID Volume ID Publish Year Pages File Format Full-Text
54641 47017 2013 6 PDF Available
Title
High temperature methanation: Catalyst considerations
Abstract

•High temperature methanation processes enable more energy-efficient plant design.•The utilised catalysts need to be sufficiently active at low temperatures.•The utilised catalysts need to be resistant against sintering at high temperatures.•The utilised catalysts need to be resistant to other deactivation phenomena, for example gum and carbonyl formation.

During the last decade, Substitute Natural Gas (SNG) produced from coal, biomass or other carbonaceous materials has re-emerged and gained considerable attention in some parts of the world where NG or shale gas is not readily available. This process often involves partial oxidation or gasification of the carbon-containing materials to synthesis gas, which subsequently goes through a high temperature methanation step to produce SNG. There are several critical requirements on the methanation catalysts. They need to be sufficiently active at low temperatures, resistant against sintering at high temperatures, and are resistant to other deactivation phenomena, for example gum and carbonyl formation. This contribution illustrates how catalysts are tested for high temperature methanation, taking into account these challenges, in order to allow for more competitive and flexible plant design

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Keywords
Methanation; SNG; Nickel; Sintering; Gum; Carbonyl
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High temperature methanation: Catalyst considerations
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 215, 15 October 2013, Pages 233–238
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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Full-text PDF Download
Online Support
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