Isomerization of butenes on bismuth molybdate : recirculation and pulse reactions of butenes on koechlinite

P.A. Batist, P.C.M. van der Heijden, G.C.A. Schuit

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Abstract

The kinetics of the isomerization of butenes over the Bi2O3-MoO3 (koechlinite) catalyst were investigated in recirculation and in pulse expts. At 150-250 Deg, isomerization prevails over the oxidn. to butadiene. In the recirculation expts., isomerization proved strongly inhibited by butadiene, and the apparent activation energies for isomerization were high (17-19 kcal mole-1). In the pulse expts. where diene inhibition is nonoperative, low activation energies (2-4 kcal mole-1) for isomerization were obsd. Isomerization and oxidn. occur on similar combination of the B and A centers as postulated by Matsuura. This was confirmed by the action of NH3 in a temp. range where isomerization and oxidn. are of comparable rate. Both reactions proved to be strongly inhibited.
Original languageEnglish
Pages (from-to)411-418
Number of pages8
JournalJournal of Catalysis
Volume22
Issue number3
DOIs
Publication statusPublished - 1971

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Bismuth
molybdates
butenes
Isomerization
Butenes
bismuth
isomerization
pulses
butadiene
Butadiene
Activation energy
activation energy
dienes
butylene
molybdate
catalysts
Catalysts
Kinetics
kinetics

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Batist, P.A. ; van der Heijden, P.C.M. ; Schuit, G.C.A. / Isomerization of butenes on bismuth molybdate : recirculation and pulse reactions of butenes on koechlinite. In: Journal of Catalysis. 1971 ; Vol. 22, No. 3. pp. 411-418.
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abstract = "The kinetics of the isomerization of butenes over the Bi2O3-MoO3 (koechlinite) catalyst were investigated in recirculation and in pulse expts. At 150-250 Deg, isomerization prevails over the oxidn. to butadiene. In the recirculation expts., isomerization proved strongly inhibited by butadiene, and the apparent activation energies for isomerization were high (17-19 kcal mole-1). In the pulse expts. where diene inhibition is nonoperative, low activation energies (2-4 kcal mole-1) for isomerization were obsd. Isomerization and oxidn. occur on similar combination of the B and A centers as postulated by Matsuura. This was confirmed by the action of NH3 in a temp. range where isomerization and oxidn. are of comparable rate. Both reactions proved to be strongly inhibited.",
author = "P.A. Batist and {van der Heijden}, P.C.M. and G.C.A. Schuit",
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Isomerization of butenes on bismuth molybdate : recirculation and pulse reactions of butenes on koechlinite. / Batist, P.A.; van der Heijden, P.C.M.; Schuit, G.C.A.

In: Journal of Catalysis, Vol. 22, No. 3, 1971, p. 411-418.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Isomerization of butenes on bismuth molybdate : recirculation and pulse reactions of butenes on koechlinite

AU - Batist, P.A.

AU - van der Heijden, P.C.M.

AU - Schuit, G.C.A.

PY - 1971

Y1 - 1971

N2 - The kinetics of the isomerization of butenes over the Bi2O3-MoO3 (koechlinite) catalyst were investigated in recirculation and in pulse expts. At 150-250 Deg, isomerization prevails over the oxidn. to butadiene. In the recirculation expts., isomerization proved strongly inhibited by butadiene, and the apparent activation energies for isomerization were high (17-19 kcal mole-1). In the pulse expts. where diene inhibition is nonoperative, low activation energies (2-4 kcal mole-1) for isomerization were obsd. Isomerization and oxidn. occur on similar combination of the B and A centers as postulated by Matsuura. This was confirmed by the action of NH3 in a temp. range where isomerization and oxidn. are of comparable rate. Both reactions proved to be strongly inhibited.

AB - The kinetics of the isomerization of butenes over the Bi2O3-MoO3 (koechlinite) catalyst were investigated in recirculation and in pulse expts. At 150-250 Deg, isomerization prevails over the oxidn. to butadiene. In the recirculation expts., isomerization proved strongly inhibited by butadiene, and the apparent activation energies for isomerization were high (17-19 kcal mole-1). In the pulse expts. where diene inhibition is nonoperative, low activation energies (2-4 kcal mole-1) for isomerization were obsd. Isomerization and oxidn. occur on similar combination of the B and A centers as postulated by Matsuura. This was confirmed by the action of NH3 in a temp. range where isomerization and oxidn. are of comparable rate. Both reactions proved to be strongly inhibited.

U2 - 10.1016/0021-9517(71)90213-2

DO - 10.1016/0021-9517(71)90213-2

M3 - Article

VL - 22

SP - 411

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JO - Journal of Catalysis

JF - Journal of Catalysis

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