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Catalysts 2019, 9(3), 251; https://doi.org/10.3390/catal9030251

Looking for the “Dream Catalyst” for Hydrogen Peroxide Production from Hydrogen and Oxygen

1
CATMAT Lab, Department of Molecular Sciences and Nanosystems, Ca’ Foscari University of Venice and INSTM RUVe, via Torino 155, 30172 Venezia Mestre, Italy
2
Department of Molecular Sciences and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172 Venezia Mestre, Italy
*
Authors to whom correspondence should be addressed.
Received: 16 January 2019 / Revised: 28 February 2019 / Accepted: 4 March 2019 / Published: 11 March 2019
(This article belongs to the Special Issue Direct Synthesis of Hydrogen Peroxide)
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Abstract

The reaction between hydrogen and oxygen is in principle the simplest method to form hydrogen peroxide, but it is still a “dream process”, thus needing a “dream catalyst”. The aim of this review is to analyze critically the different heterogeneous catalysts used for the direct synthesis of H2O2 trying to determine the features that the ideal or “dream catalyst” should possess. This analysis will refer specifically to the following points: (i) the choice of the metal; (ii) the metal promoters used to improve the activity and/or the selectivity; (iii) the role of different supports and their acidic properties; (iv) the addition of halide promoters to inhibit undesired side reactions; (v) the addition of other promoters; (vi) the effects of particle morphology; and (vii) the effects of different synthetic methods on catalyst morphology and performance. View Full-Text
Keywords: hydrogen peroxide; hydrogen; oxygen; palladium catalysts; palladium alloys; acidic supports; green processes hydrogen peroxide; hydrogen; oxygen; palladium catalysts; palladium alloys; acidic supports; green processes
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Menegazzo, F.; Signoretto, M.; Ghedini, E.; Strukul, G. Looking for the “Dream Catalyst” for Hydrogen Peroxide Production from Hydrogen and Oxygen. Catalysts 2019, 9, 251.

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