Development of a kinetic model for alcohol synthesis over a cesium-promoted Cu/ZnO catalyst

This paper reports on a kinetic reaction network developed for the synthesis of oxygenates from synthesis gave over Cs-promoted Cu/ZnO catalysts in a differential reaction regime. The most important carbon- carbon bond forming reactions of the model are linear growth by addition of an oxygenated C{s...

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Veröffentlicht in:Industrial & engineering chemistry research 1991-01, Vol.30:1
Hauptverfasser: Herman, R.G., Klier, K., Smith, K.J., Young, C.W.
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Klier, K.
Smith, K.J.
Young, C.W.
description This paper reports on a kinetic reaction network developed for the synthesis of oxygenates from synthesis gave over Cs-promoted Cu/ZnO catalysts in a differential reaction regime. The most important carbon- carbon bond forming reactions of the model are linear growth by addition of an oxygenated C{sub 1} intermediate to an alcohol chain that yields linear alcohols and a {beta}-addition aldol condensation type mechanism between an oxygenated C{sub 1} intermediate and an aldehydic C{sub n} intermediate that yields 2-methyl-branched primary alcohols. The most important carbon-oxygen bond forming reaction is a methoxide addition, {eta}{sub 0}, that yields methyl esters. Estimates of the kinetic parameters show that the {beta} addition is faster than linear growth, which results in high selectivities to branched alcohols, i.e., 2-methyl-1- propanol.
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ispartof Industrial & engineering chemistry research, 1991-01, Vol.30:1
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recordid cdi_osti_scitechconnect_6084051
source American Chemical Society Journals
subjects 02 PETROLEUM
020400 -- Petroleum-- Processing
09 BIOMASS FUELS
400201 -- Chemical & Physicochemical Properties
ALCOHOLS
ALKALI METALS
CATALYST SUPPORTS
CATALYSTS
CATALYTIC CRACKING
CATALYTIC EFFECTS
CESIUM
CHALCOGENIDES
CHEMICAL BONDS
CHEMICAL COMPOSITION
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
CRACKING
DECOMPOSITION
ELEMENTS
HYDROXY COMPOUNDS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
KINETICS
METALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PYROLYSIS
REACTION KINETICS
SYNTHESIS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
ZINC COMPOUNDS 090900 -- Biomass Fuels-- Processing-- (1990-)
ZINC OXIDES
title Development of a kinetic model for alcohol synthesis over a cesium-promoted Cu/ZnO catalyst
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