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Issue 9, 2010
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Synthesis of hydrogen peroxide from H2 and O2 in water and ethanol catalyzed by nanoclustered Pd0 on silica: strong selectivity enhancement exerted by the addition of ionic liquids

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Abstract

Hydrogen peroxide (H2O2) synthesis directly from dioxygen and dihydrogen was carried out using a continuous flow reactor with a Pd catalyst. The effects of ionic liquids on the selectivity to H2O2 were studied on a Pd/SiO2 catalyst. It was found that the ionic liquid [BMIM][BF4] in water or ethanol is quite beneficial to the selectivity to H2O2. Ca. 95% selectivity after 1 h in both solvents and a relatively high selectivity i.e. (about 50% in ethanol and 40% in water) after 5 h reaction have been achieved. On the other hand, a plausible mechanism for the effects of ion liquids on this reaction system was suggested on the basis of the preliminary results.

Graphical abstract: Synthesis of hydrogen peroxide from H2 and O2 in water and ethanol catalyzed by nanoclustered Pd0 on silica: strong selectivity enhancement exerted by the addition of ionic liquids

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Publication details

The article was received on 29 Sep 2009, accepted on 18 Dec 2009 and first published on 18 Jan 2010


Article type: Paper
DOI: 10.1039/B920172F
Citation: Phys. Chem. Chem. Phys., 2010,12, 2170-2176

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    Synthesis of hydrogen peroxide from H2 and O2 in water and ethanol catalyzed by nanoclustered Pd0 on silica: strong selectivity enhancement exerted by the addition of ionic liquids

    P. Li, C. He, S. Campestrini, B. Corain, W. Yuan and Y. Han, Phys. Chem. Chem. Phys., 2010, 12, 2170
    DOI: 10.1039/B920172F

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