FTIR spectroscopic study on nickel(II)-exchanged sulfated alumina: nature of the active sites in the catalytic oligomerization of ethene

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FTIR Spectroscopic Study on Nickel II Exchanged Sulfated Alumina Nature of the Active Sites in the Catalytic Oligomerization of Ethene.pdf (301 KB)

Date

2002

Authors

Davydov, A. A.
Kantcheva, M.
Chepotko, M. L.

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Source Title

Catalysis Letters

Print ISSN

1011-372X

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Publisher

Springer

Volume

83

Issue

1-2

Pages

97 - 108

Language

English

Type

Article

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Abstract

The nature of the active sites in nickel(II)-exchanged sulfated alumina in the reaction of ethene oligomerization has been studied by means of FTIR spectroscopy of adsorbed CO. It has been established that isolated nickel(I) species are the active sites in this process. These sites are formed by a reduction process, in which protonic centers are involved. The latter are due to the presence of covalently-bonded sulfate ions on the catalyst surface.

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Keywords

Dimerization, Ethene, FTIR study, Nature of active sites, Nickel-exchanged sulfated alumina, Adsorption, Alumina, Carbon monoxide, Chemical bonds, Dimerization, Ethylene, Fourier transform infrared spectroscopy, Ions, Nickel compounds, Surface reactions, Oligomerization, Catalyst activity

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http://hdl.handle.net/11693/24641

Published Version (Please cite this version)

http://dx.doi.org/10.1023/A:1020669818242

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Scholarly Publications - Chemistry