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Ru–Ti intermetallic catalysts for the selective hydrogenation of crotonaldehyde

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Abstract.
Titanium-doped ruthenium catalysts were prepared, characterized, and studied in the vapor-phase
selective hydrogenation of crotonaldehyde. The catalysts were prepared by co-impregnation and by the
chemical vapor deposition (CVD) method. XPS results indicate that titanium was well dispersed on the
support for the catalyst prepared by CVD. Ruthenium dispersion was diminished by titanium addition,
and a strong interaction of ruthenium with titanium was deduced from CO adsorption microcalorimetry.
Results obtained in the vapor-phase hydrogenation of crotonaldehyde showed that the monometallic Ru
catalyst had no selectivity toward crotyl alcohol, whereas the RuTi catalyst prepared by the CVD method
gave the highest selectivity.

Keywords:
Intermetallic compound
Ruthenium
Titania
Crotonaldehyde hydrogenation

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Informasi Detail

Judul Seri

Journal of Catalysis

No. Panggil

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Penerbit

London : Elsevier Inc.., 2008

Deskripsi Fisik

Journal of Catalysis 260 (2008) 150–156

Bahasa

English

ISBN/ISSN

00219517

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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