Boosting the Activity in Supported Ionic Liquid-Phase-Catalyzed Hydroformylation via Surface Functionalization of the Carbon Support

Journal article


Publication Details

Author(s): Weiß A, Munoz M, Haas A, Rietzler F, Steinrück HP, Haumann M, Wasserscheid P, Etzold B
Journal: ACS Catalysis
Publisher: American Chemical Society
Publication year: 2016
Volume: 6
Journal issue: 4
Pages range: 2280-2286
ISSN: 2155-5435


Abstract


Supported ionic liquid phase (SILP) catalysts are comprised of a thin ionic liquid film containing a homogeneous transition metal complex that is supported on a highly porous substrate. The application of functionalized activated carbon as a support material for SILP catalysts in a continuous gas-phase propene hydroformylation reaction reveals that the surface properties of the carbon support have a significant influence on the catalytic performance. The catalytic activity of the pristine activated carbon-based SILP catalysts was found to be negligibly small (TOF4h = 3.5 h(-1)) in contrast to that of common oxidic supports such as silica (TOF4h = 15 h(-1)) or alumina. By amine functionalization of the carbon support surface, a dramatic increase in catalytic activity could be observed outperforming the tested oxidic supports by an order of magnitude. A distinct relationship between increased nitrogen content and the point of zero charge of the support and the catalytic activity could be observed. The largest activity increase (TOF4h = 105 h(-1)) was found for functionalized activated carbon SILP catalysts featuring a high point of zero charge and a high nitrogen content. Despite the fact that aldol formation is catalyzed by a base, the respective alcohol was the only detectable byproduct in the reactions.



FAU Authors / FAU Editors

Etzold, Bastian Prof. Dr.
Steinrück, Hans-Peter Prof. Dr.
Professur für Katalytische Materialien
Lehrstuhl für Physikalische Chemie II
Haumann, Marco PD Dr.
Wasserscheid, Peter Prof. Dr.
Lehrstuhl für Chemische Reaktionstechnik
Lehrstuhl für Chemische Reaktionstechnik
Rietzler, Florian
Lehrstuhl für Physikalische Chemie II
Weiß, Alexander
Lehrstuhl für Chemische Reaktionstechnik


Additional Organisation
Exzellenz-Cluster Engineering of Advanced Materials


Research Fields

D Catalytic Materials
Exzellenz-Cluster Engineering of Advanced Materials


How to cite

APA:
Weiß, A., Munoz, M., Haas, A., Rietzler, F., Steinrück, H.-P., Haumann, M.,... Etzold, B. (2016). Boosting the Activity in Supported Ionic Liquid-Phase-Catalyzed Hydroformylation via Surface Functionalization of the Carbon Support. ACS Catalysis, 6(4), 2280-2286. https://dx.doi.org/10.1021/acscatal.5b02747

MLA:
Weiß, Alexander, et al. "Boosting the Activity in Supported Ionic Liquid-Phase-Catalyzed Hydroformylation via Surface Functionalization of the Carbon Support." ACS Catalysis 6.4 (2016): 2280-2286.

BibTeX: 

Last updated on 2019-24-04 at 08:32