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Proceedings Paper

Vibrations At Surfaces During Heterogeneous Catalytic Reactions
Author(s): A. Aragno; L. Basini; M. Marchionna; A. Raffaelli
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Paper Abstract

FTIR spectroscopies can be used in a wide range of temperature and pressure conditions to investigate on the chemistry and the physics of heterogeneous catalytic reactions. In this paper we have shortly discussed the spectroscopic results obtained during the study of two different reactions; the skeletal isomerization of 1-butene to obtain 2-methylpropene and the surface aggregation and fragmentation of rhodium carbonyl complexes during thermal treatments in N2, H2, CO, CH4 atmospheres. In the first case high temperature proton tran-sfer reactions are proposed to be responsible for the skeletal isomerization reaction. In the second case our experiments have shown a partial reversibility of the nucleation processes at the surfaces and revealed a low temperature reactivity of methane on rhodium car-bonyl surface complexes.

Paper Details

Date Published: 1 December 1989
PDF: 2 pages
Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); doi: 10.1117/12.969440
Show Author Affiliations
A. Aragno, Snamprogetti S.p.A (Italy)
L. Basini, Snamprogetti S.p.A (Italy)
M. Marchionna, Snamprogetti S.p.A (Italy)
A. Raffaelli, Snamprogetti S.p.A (Italy)

Published in SPIE Proceedings Vol. 1145:
7th Intl Conf on Fourier Transform Spectroscopy

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