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High temperature methanation: Sintering and structure sensitivity

Paper ID Volume ID Publish Year Pages File Format Full-Text
43456 45970 2007 5 PDF Available
Title
High temperature methanation: Sintering and structure sensitivity
Abstract

Manufacture of substitute natural gas (SNG) using high temperature methanation of synthesis gas is becoming important due to high energy prices, a wish for a stable energy supply, and diminishing natural gas in some areas. Maintaining the activity and stability of the catalyst after exposure to high temperatures is crucial for the process. At 600 °C, loss of active surface area proceeds via the atom migration sintering mechanism. The methanation reaction is structure sensitive and it is suggested that atomic step sites play the important role as the active sites of the reaction.

Graphical abstractManufacture of substitute natural gas (SNG) using high temperature methanation of synthesis gas is becoming important due to high energy prices, a wish for a stable energy supply and diminishing natural gas in some areas. Maintaining the activity and stability of the catalyst after exposure to high temperatures is crucial for the process. At 600 °C, loss of active surface area proceeds via the atom migration sintering mechanism. The methanation reaction is structure sensitive and it is suggested that atomic step sites play the important role as the active sites of the reaction.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Methanation; Sintering; Structure sensitivity; Substitute natural gas (SNG); Atomic step sites
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 330, 10 October 2007, Pages 134–138
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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