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Thermocatalytic decomposition of natural gas over plasma-generated carbon aerosols for sustainable production of hydrogen and carbon

Paper ID Volume ID Publish Year Pages File Format Full-Text
42578 45931 2009 9 PDF Available
Title
Thermocatalytic decomposition of natural gas over plasma-generated carbon aerosols for sustainable production of hydrogen and carbon
Abstract

Thermocatalytic decomposition (TD) of natural gas (NG) is a promising CO2-free approach to hydrogen production, however, the practical realization of the sustainable TD process faces significant technical challenges due to rapid deactivation of existing catalysts by carbon deposits. In this work, the authors report on TD of NG and methane over a new type of carbon-based catalyst: plasma-generated carbon aerosols. The carbon aerosols were produced by non-thermal plasma-assisted decomposition of NG at near-ambient conditions. The plasma-generated carbons exhibit highest catalytic activity for methane (or NG) decomposition among known carbon-based catalysts with a comparable surface area. The nanostructure of the plasma-generated carbons was characterized and found to be consistent with highly disordered (amorphous) carbon. It is demonstrated that the combination of the carbon aerosol generator with the TD reactor provides a means for sustainable production of hydrogen and carbon from NG with a relatively high energy efficiency.

Graphical abstractThermocatalytic decomposition of natural gas over a new type of carbon-based catalyst: non-thermal plasma-generated carbon aerosols is reported. The plasma-generated carbon aerosols exhibited highest catalytic activity for methane decomposition among known carbon catalysts with a comparable surface area.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Hydrogen; Carbon; Natural gas; Thermocatalytic decomposition; Catalyst; Plasma
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Thermocatalytic decomposition of natural gas over plasma-generated carbon aerosols for sustainable production of hydrogen and carbon
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 365, Issue 2, 31 August 2009, Pages 292–300
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