Issue 7, 2007
From the journal:

Green Chemistry

Direct synthesis of H2O2 from O2 and H2 over precious metal loaded TS-1 in CO2

Qunlai Chena  and  Eric J. Beckman*a  

* Corresponding authors

a Department of Chemical & Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA
E-mail: beckman@engr.pitt.edu
Fax: +1-412-624-7820
Tel: +1-412-624-4828

Abstract

H2O2 was synthesized directly from O2 and H2 over precious metal loaded titanium silicalite (TS-1) in compressed CO2 and yields were measured by immediately reacting the in situ generated H2O2 with an “indicator”—pyridine. Experimental results proved that H2O2 could be effectively synthesized from O2 and H2 in compressed CO2. The effects of the following factors on H2 conversion, H2O2 selectivity and yield were examined: O2/H2 molar ratio, H2 concentration, catalyst mass, Pd content in the catalyst and the addition of Pt to the catalyst. Under the optimal reaction conditions, H2O2 yield reached 31.7% with an H2O2 selectivity of 56.1%.

Graphical abstract: Direct synthesis of H2O2 from O2 and H2 over precious metal loaded TS-1 in CO2

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Article information

DOI
https://doi.org/10.1039/B618934B
Article type
Paper
Submitted
02 Jan 2007
Accepted
01 Mar 2007
First published
21 Mar 2007

Green Chem., 2007,9, 802-808

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Direct synthesis of H2O2 from O2 and H2 over precious metal loaded TS-1 in CO2

Q. Chen and E. J. Beckman, Green Chem., 2007, 9, 802 DOI: 10.1039/B618934B

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