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Co-production of hydrogen and multi-wall carbon nanotubes from ethanol decomposition over Fe/Al2O3 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
48176 46496 2008 7 PDF Available
Title
Co-production of hydrogen and multi-wall carbon nanotubes from ethanol decomposition over Fe/Al2O3 catalysts
Abstract

The co-production of hydrogen and carbon nanotubes (CNTs) from the decomposition of ethanol over Fe/Al2O3 at different temperatures and feeding rates of ethanol was investigated systematically. The results indicated that Fe/Al2O3 was a quite active catalyst for the co-production of hydrogen and CNTs and that its activity and stability depended strongly on the Fe loading. Among all catalysts tested, 10 mol% Fe/Al2O3 was the most effective catalyst based on the ratio of hydrogen production, the total H2 yield, and the quality of the CNTs formed. The efficiency of hydrogen production from ethanol decomposition over 10 mol% Fe/Al2O3 reached a maximum of ∼80% at 800 °C and the yield of CNTs with well-oriented growth and uniform diameter was 141%. In addition, the reaction of hydrogen and CNTs co-produced from ethanol decomposition was proposed.

Keywords
Ethanol decomposition; Supported Fe catalyst; Hydrogen; Carbon nanotube
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Co-production of hydrogen and multi-wall carbon nanotubes from ethanol decomposition over Fe/Al2O3 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 84, Issues 3–4, 1 December 2008, Pages 433–439
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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Any Questions? feel free to contact us