Continuous Gas-Phase Hydroformylation of a Highly Diluted Technical C4 Feed using Supported Ionic Liquid Phase Catalysts

Haumann M, Jakuttis M, Franke R, Schönweiz A, Wasserscheid P (2011)


Publication Type: Journal article

Publication year: 2011

Journal

Publisher: Wiley-VCH Verlag

Book Volume: 3

Pages Range: 1822--1827

Volume: 3

Issue: 11

Journal Issue: 11

DOI: 10.1002/cctc.201100117

Abstract

The concept of supported ionic liquid phase (SILP) catalysis has been established in recent years by our group and others. Its application in continuous catalytic gas-phase processes provides a very attractive way to bridge the gap between homogeneous and heterogeneous catalysis. In this contribution, we extend SILP hydroformylation catalysis to reactions with a highly diluted, technical C4 feed containing 1.5 {\%} 1-butene, 28.5 {\%} 2-butenes, and 70 {\%} of inert n-butane. To obtain the desired product, n-pentanal, the Rh-biphephos catalyst system was immobilized in the SILP system to allow for consecutive isomerization/hydroformylation activity. The resulting SILP catalyst material converted up to 81 {\%} of the reactive butenes, with a residence time of 155s in the reactor. An n-pentanal selectivity greater than 92{\%} was realized for more than 500h time-on-stream in the continuous gas-phase reaction. Post-reaction NMR studies revealed no significant loss of the phosphite ligand through ligand oxidation during the reaction.

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How to cite

APA:

Haumann, M., Jakuttis, M., Franke, R., Schönweiz, A., & Wasserscheid, P. (2011). Continuous Gas-Phase Hydroformylation of a Highly Diluted Technical C4 Feed using Supported Ionic Liquid Phase Catalysts. ChemCatChem, 3(11), 1822--1827. https://dx.doi.org/10.1002/cctc.201100117

MLA:

Haumann, Marco, et al. "Continuous Gas-Phase Hydroformylation of a Highly Diluted Technical C4 Feed using Supported Ionic Liquid Phase Catalysts." ChemCatChem 3.11 (2011): 1822--1827.

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