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Steam reforming of ethanol over Ni/support catalysts for generation of hydrogen for fuel cell applications

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Abstract.
The paper reports experimental results concerning the influence of the support nature (TiO2, ZnO, Al2O3
and Al2O3–Fe2O3) of nickel catalysts on their activity, selectivity and coking phenomenon in the steam
reforming of ethanol in the range of 570–870 K. The chemical transformations of ethanol occurring on the
catalyst supportmake its chemical nature an important factor affecting the productivity and selectivity of
the process. It was found that the most suitable supports in nickel catalysts designed for hydrogen
generation in the steam reforming of ethanol are ZnO and TiO2. Taking into consideration both the
efficiency of hydrogen generation and the intensity of carbon deposition, the optimum temperature of
the process of the steam reforming of ethanol is below 750 K. An improvement in the selectivity of
hydrogen generation and diminishing of the formation of undesirable products may be obtained by
promoting nickel catalysts with sodium.

Keywords:
Hydrogen
Bio-ethanol
Steam reforming
Nickel catalyst
Catalyst support

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Informasi Detail

Judul Seri

Catalysis Today

No. Panggil

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Penerbit

London : Elsevier B.V.., 2008

Deskripsi Fisik

Catalysis Today 137 (2008) 453–459

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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