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

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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 amaximum of 80% at 800 oC 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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Informasi Detail

Judul Seri

Applied Catalysis B: Environmental

No. Panggil

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Penerbit

London : Elsevier B.V.., 2008

Deskripsi Fisik

Applied Catalysis B: Environmental 84 (2008) 433–439

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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