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Issue 9, 2016
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Gas phase stabiliser-free production of hydrogen peroxide using supported gold–palladium catalysts

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Abstract

Hydrogen peroxide synthesis from hydrogen and oxygen in the gas phase is postulated to be a key reaction step in the gas phase epoxidation of propene using gold–titanium silicate catalysts. During this process H2O2 is consumed in a secondary step to oxidise an organic molecule so is typically not observed as a reaction product. We demonstrate that using AuPd nanoparticles, which are known to have high H2O2 synthesis rates in the liquid phase, it is possible to not only oxidise organic molecules in the gas phase but to detect H2O2 for the first time as a reaction product in both a fixed bed reactor and a pulsed Temporal Analysis of Products (TAP) reactor without stabilisers present in the gas feed. This observation opens up possibility of synthesising H2O2 directly using a gas phase reaction.

Graphical abstract: Gas phase stabiliser-free production of hydrogen peroxide using supported gold–palladium catalysts

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Article information


Submitted
24 Mar 2016
Accepted
10 May 2016
First published
11 May 2016

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2016,7, 5833-5837
Article type
Edge Article
Author version available

Gas phase stabiliser-free production of hydrogen peroxide using supported gold–palladium catalysts

A. Akram, S. J. Freakley, C. Reece, M. Piccinini, G. Shaw, J. K. Edwards, F. Desmedt, P. Miquel, E. Seuna, David. J. Willock, J. A. Moulijn and G. J. Hutchings, Chem. Sci., 2016, 7, 5833
DOI: 10.1039/C6SC01332E

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    [Original citation] - Published by The Royal Society of Chemistry.

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