Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/23780
Title: Aerobic Oxidation of Benzyl Alcohol in a Continuous Catalytic Membrane Reactor
Authors: Constantinou, Achilleas 
Wu, Gaowei 
Venezia, Baldassarre 
Ellis, Peter 
Kuhn, Simon 
Gavriilidis, Asterios 
Major Field of Science: Natural Sciences
Field Category: Chemical Sciences
Keywords: Gold/palladium catalyst;Catalytic oxidation;Continuous flow;Membrane reactor;Ceramic membrane
Issue Date: Nov-2019
Source: Topics in Catalysis, 2019, vol. 62, no. 17-20, pp. 1126–1131
Volume: 62
Issue: 17-20
Start page: 1126
End page: 1131
Journal: Topics in Catalysis 
Abstract: A catalytic membrane reactor with a Au–Pd catalyst, impregnated at the inner side of the membrane, was studied in the catalytic oxidation of benzyl alcohol in flow. The reactor comprised of four concentric sections. The liquid substrate flowed in the annulus created by an inner tube and the membrane. The membrane consisted of 3 layers of α-alumina and a titania top layer with 5 nm average pore size. Oxygen was fed on the outer side of the membrane, and its use allowed the controlled contact of the liquid and the gas phase. Experiments revealed excellent stability of the impregnated membrane and selectivities to benzaldehyde were on average > 95%. Increasing the pressure of the gas phase and decreasing liquid flowrates and benzyl alcohol concentration resulted in an increased conversion, while selectivities to benzaldehyde remained constant and in excess of 95%.
URI: https://hdl.handle.net/20.500.14279/23780
ISSN: 15729028
DOI: 10.1007/s11244-018-1060-9
Rights: © The Author(s)
Type: Article
Affiliation : London South Bank University 
University College London 
Johnson Matthey Technology Centre 
KU Leuven 
Appears in Collections:Άρθρα/Articles

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