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Kinetics of hydroformylation of l-dodecene using homogeneous HRh(CO) (PPh3)3catalyst

Authors
Journal
Journal of Molecular Catalysis A Chemical
1381-1169
Publisher
Elsevier
Publication Date
Volume
115
Issue
2
Identifiers
DOI: 10.1016/s1381-1169(96)00289-0
Keywords
  • Chemical And Metal Complexes Catalysis

Abstract

Abstract The kinetics of the HRh(CO(PPh 3) 3 catalyzed hydroformylation of l-dodecene has been investigated in a temperature range of 323–343, K. The effect of l-dodecene and catalyst concentration, P H and P CO, on the rate of reaction has been studied. The rate was found to be first order with respect to catalyst concentration and partial pressure of hydrogen. The rate vs. P CO shows a typical case of substrate inhibited kinetics. The rate was found to be first order with respect to l-dodecene in the lower concentration range while at higher concentrations a zero order dependence was observed. A rate equation has been proposed and kinetic parameters evaluated. The activation energy was found to be 57.12 kJ/mol. A batch reactor model has been a used to predict the concentration-time profiles which were found to agree well with the experimental data at different temperatures. This indicates the applicability of the rate model over a wide range of conditions.

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