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Kinetic evaluation of the hydroformylation of the post-metathesis product 7-tetradecene using a bulky phosphite-modified rhodium catalyst

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Abstract

The reaction engineering kinetics for the hydroformylation of the post-metathesis product 7-tetradecene using the bulky phosphite-modified rhodium catalyst Rh-tris(2,4-di-tertbutylphenyl)phosphite were evaluated. The reaction was performed at different temperatures (60 to 90 °C), catalyst concentrations (0.5 to 1 mM), hydrogen partial pressures (15 to 25 bar) and carbon monoxide partial pressures (15 to 25 bar). The reaction system is well described by three interdependent mole balance equations in combination with a phenomenological mechanism-based rate law equation derived for the bulky phosphite ligand coordinated to rhodium. The kinetics were thus found to be first-order in alkene and catalyst concentrations (above a critical concentration), negative-order in carbon monoxide and zero-order in hydrogen. The activation energy for the hydroformylation reaction was calculated to be 68 kJ mol−1.

Graphical abstract: Kinetic evaluation of the hydroformylation of the post-metathesis product 7-tetradecene using a bulky phosphite-modified rhodium catalyst

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Publication details

The article was received on 02 Oct 2018, accepted on 23 Jan 2019 and first published on 25 Jan 2019


Article type: Paper
DOI: 10.1039/C8RE00239H
Citation: React. Chem. Eng., 2019, Advance Article

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    Kinetic evaluation of the hydroformylation of the post-metathesis product 7-tetradecene using a bulky phosphite-modified rhodium catalyst

    N. C. C. Breckwoldt, N. J. Goosen, H. C. M. Vosloo and P. Van der Gryp, React. Chem. Eng., 2019, Advance Article , DOI: 10.1039/C8RE00239H

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