Effect of Pt incorporation into Ni/ZrO <inf>2</inf>-SO <inf>4</inf><sup>=</sup> /Al <inf>2</inf>O <inf>3</inf> catalyst for n-butane isomerization

M. Pérez-Luna, A. Cosultchi, J. A. Toledo-Antonio, C. Angeles-Chavez, E. M. Arce-Estrada

Research output: Contribution to journalArticle

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Abstract

Three Ni/ZrO 2-SO 4=/Al 2O 3 catalysts with different concentrations of platinum (0.2, 0.3 and 0.4 wt%) were prepare and tested for n-butane isomerization reaction at 338 K, in absence and in presence of hydrogen. The results shown that, at low temperature, platinum contributes to the olefin or butyl ion formation and the reaction follows a bimolecular pathway. However, when the reaction occurs in the presence of hydrogen, the formation of butyl ions is inhibited. The main feature of platinum addition is the stabilization of the catalytic activity, which is indicated by the slow deactivation constants compared to that of the unpromoted catalyst. © 2006 Springer Science+Business Media, Inc.
Original languageAmerican English
Pages (from-to)103-110
Number of pages91
JournalCatalysis Letters
DOIs
StatePublished - 1 Feb 2006
Externally publishedYes

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Butane
Isomerization
Platinum
Catalysts
Hydrogen
Ions
Alkenes
Olefins
Catalyst activity
Stabilization
butane
Industry
Temperature

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@article{9e6ea421288246738ebbd1ef5cefa3eb,
title = "Effect of Pt incorporation into Ni/ZrO 2-SO 4= /Al 2O 3 catalyst for n-butane isomerization",
abstract = "Three Ni/ZrO 2-SO 4=/Al 2O 3 catalysts with different concentrations of platinum (0.2, 0.3 and 0.4 wt{\%}) were prepare and tested for n-butane isomerization reaction at 338 K, in absence and in presence of hydrogen. The results shown that, at low temperature, platinum contributes to the olefin or butyl ion formation and the reaction follows a bimolecular pathway. However, when the reaction occurs in the presence of hydrogen, the formation of butyl ions is inhibited. The main feature of platinum addition is the stabilization of the catalytic activity, which is indicated by the slow deactivation constants compared to that of the unpromoted catalyst. {\circledC} 2006 Springer Science+Business Media, Inc.",
author = "M. P{\'e}rez-Luna and A. Cosultchi and Toledo-Antonio, {J. A.} and C. Angeles-Chavez and Arce-Estrada, {E. M.}",
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language = "American English",
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Effect of Pt incorporation into Ni/ZrO <inf>2</inf>-SO <inf>4</inf><sup>=</sup> /Al <inf>2</inf>O <inf>3</inf> catalyst for n-butane isomerization. / Pérez-Luna, M.; Cosultchi, A.; Toledo-Antonio, J. A.; Angeles-Chavez, C.; Arce-Estrada, E. M.

In: Catalysis Letters, 01.02.2006, p. 103-110.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effect of Pt incorporation into Ni/ZrO 2-SO 4= /Al 2O 3 catalyst for n-butane isomerization

AU - Pérez-Luna, M.

AU - Cosultchi, A.

AU - Toledo-Antonio, J. A.

AU - Angeles-Chavez, C.

AU - Arce-Estrada, E. M.

PY - 2006/2/1

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AB - Three Ni/ZrO 2-SO 4=/Al 2O 3 catalysts with different concentrations of platinum (0.2, 0.3 and 0.4 wt%) were prepare and tested for n-butane isomerization reaction at 338 K, in absence and in presence of hydrogen. The results shown that, at low temperature, platinum contributes to the olefin or butyl ion formation and the reaction follows a bimolecular pathway. However, when the reaction occurs in the presence of hydrogen, the formation of butyl ions is inhibited. The main feature of platinum addition is the stabilization of the catalytic activity, which is indicated by the slow deactivation constants compared to that of the unpromoted catalyst. © 2006 Springer Science+Business Media, Inc.

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