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Thermally differential methanation – A novel method to realize highly selective removal of CO from H2-rich reformates

Paper ID Volume ID Publish Year Pages File Format Full-Text
52462 46875 1956 4 PDF Available
Title
Thermally differential methanation – A novel method to realize highly selective removal of CO from H2-rich reformates
Abstract

Temperature-programmed methanations of CO in both He-diluted and reformate-simulated CO–CO2–H2 mixtures over a commercially available 0.5% Ru/Al2O3 catalyst have revealed that CO methanation always occurred earlier than that of CO2 at lower temperatures and the temperature where CO2 started methanating and the corresponding remaining CO decreased with decreasing initial CO content in the feed. This, while confirming the prior methanation of CO over CO2, indicates that the fully selective CO methanation is possible. Thus, a novel method called thermally differential methanation was proposed and a totally 820 h long term, simplified thermally differential methanation was conducted to verify the effectiveness of the method on realizing simultaneously the full selectivity and a satisfactorily deep removal of CO from H2-rich reformates for PEFC application.

Keywords
CO removal; Thermally differential methanation; Ru catalyst; PEFC
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Thermally differential methanation – A novel method to realize highly selective removal of CO from H2-rich reformates
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 12, December 2007, Pages 1953–1956
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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Online Support
Any Questions? feel free to contact us