The direct synthesis of hydrogen peroxide from H2 and O2 using Pd-Ni/TiO2 catalysts: Pd-Ni catalysts for H 2 O 2 production

David A. Crole; Ricci Underhill; Jennifer K. Edwards; Greg Shaw; Simon J. Freakley; Graham J. Hutchings; Richard J. Lewis

doi:10.1098/rsta.2020.0062

The direct synthesis of hydrogen peroxide from H₂ and O₂ using Pd-Ni/TiO₂ catalysts: Pd-Ni catalysts for H 2 O 2 production

David A. Crole, Ricci Underhill, Jennifer K. Edwards, Greg Shaw, Simon J. Freakley, Graham J. Hutchings, Richard J. Lewis

Department of Chemistry

Cardiff University

Research output: Contribution to journal › Article › peer-review

25 Citations (SciVal)

135 Downloads (Pure)

Abstract

The direct synthesis of hydrogen peroxide (H2O2) from molecular H2 and O2 offers an attractive, decentralized alternative to production compared to the current means of production, the anthraquinone process. Herein we evaluate the performance of a 0.5%Pd-4.5%Ni/TiO2 catalyst in batch and flow reactor systems using water as a solvent at ambient temperature. These reaction conditions are considered challenging for the synthesis of high H2O2 concentrations, with the use of sub-ambient temperatures and alcohol co-solvents typical. Catalytic activity was observed to be stable to prolonged use in multiple batch experiments or in a flow system, with selectivities towards H2O2 of 97% and 85%, respectively. This study was carried out in the absence of halide or acid additives that are typically used to inhibit sequential H2O2 degradation reactions showing that this Pd-Ni catalyst has the potential to produce H2O2 selectively. This article is part of a discussion meeting issue 'Science to enable the circular economy'.

Original language	English
Article number	rsta20200062
Pages (from-to)	1-11
Number of pages	11
Journal	Philosophical transactions. Series A, Mathematical, physical, and engineering sciences
Volume	378
Issue number	2176
Early online date	6 Jul 2020
DOIs	https://doi.org/10.1098/rsta.2020.0062
Publication status	Published - 24 Jul 2020

Funding

Data accessibility. Information on the data underpinning the results presented here, including how to access them, can be found at http://doi.org/10.17035/d.2020.0101908221. Authors’ contributions. All authors provided substantial contributions to the conception and design, or acquisition of data, or analysis and interpretation of data, drafting the article or revising it critically for important intellectual content and final approval of the version to be published. Competing interests. The authors declare no competing interests. Funding. D.A.C. and R.U. wish to acknowledge the Selden Research Limited for financial support. J.K.E, G.S., G.J.H. and R.J.L. gratefully acknowledge the Cardiff University for financial support, in addition S.J.F. acknowledges the financial support and the award of a Prize Research Fellowship from the from the University of Bath. Acknowledgments. The authors wish to acknowledge the Selden Research Limited for useful discussion throughout.

Keywords

green chemistry
hydrogen peroxide
nanoparticles
nickel
palladium

ASJC Scopus subject areas

General Mathematics
General Engineering
General Physics and Astronomy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1098/rsta.2020.0062

Accepted Manuscript.PDFAccepted author manuscript, 473 KB

Cite this

Crole, D. A., Underhill, R., Edwards, J. K., Shaw, G., Freakley, S. J., Hutchings, G. J., & Lewis, R. J. (2020). The direct synthesis of hydrogen peroxide from H₂ and O₂ using Pd-Ni/TiO₂ catalysts: Pd-Ni catalysts for H 2 O 2 production. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 378(2176), 1-11. Article rsta20200062. https://doi.org/10.1098/rsta.2020.0062

The direct synthesis of hydrogen peroxide from H₂ and O₂ using Pd-Ni/TiO₂ catalysts: Pd-Ni catalysts for H 2 O 2 production. / Crole, David A.; Underhill, Ricci; Edwards, Jennifer K. et al.
In: Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, Vol. 378, No. 2176, rsta20200062, 24.07.2020, p. 1-11.

Research output: Contribution to journal › Article › peer-review

Crole, DA, Underhill, R, Edwards, JK, Shaw, G, Freakley, SJ, Hutchings, GJ & Lewis, RJ 2020, 'The direct synthesis of hydrogen peroxide from H₂ and O₂ using Pd-Ni/TiO₂ catalysts: Pd-Ni catalysts for H 2 O 2 production', Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, vol. 378, no. 2176, rsta20200062, pp. 1-11. https://doi.org/10.1098/rsta.2020.0062

Crole DA, Underhill R, Edwards JK, Shaw G, Freakley SJ, Hutchings GJ et al. The direct synthesis of hydrogen peroxide from H₂ and O₂ using Pd-Ni/TiO₂ catalysts: Pd-Ni catalysts for H 2 O 2 production. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2020 Jul 24;378(2176):1-11. rsta20200062. Epub 2020 Jul 6. doi: 10.1098/rsta.2020.0062

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