Improving the performance of Pd based catalysts for the direct synthesis of hydrogen peroxide via acid incorporation during catalyst synthesis

Richard J. Lewis; Edwin N. Ntainjua; David J. Morgan; Thomas E. Davies; Albert F. Carley; Simon J. Freakley; Graham J. Hutchings

doi:10.1016/j.catcom.2021.106358

Improving the performance of Pd based catalysts for the direct synthesis of hydrogen peroxide via acid incorporation during catalyst synthesis

Richard J. Lewis, Edwin N. Ntainjua, David J. Morgan, Thomas E. Davies, Albert F. Carley, Simon J. Freakley, Graham J. Hutchings

Department of Chemistry

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

6 Citations (SciVal)

Abstract

The direct synthesis of hydrogen peroxide from molecular H₂ and O₂ offers an attractive alternative to the current means of production of this powerful oxidant, on an industrial scale. Herein we investigate the role of nitric acid addition, during catalyst preparation as a means of improving catalytic performance, under reaction conditions that have previously been found to be optimal for H₂O₂ production. The addition of dilute nitric acid during catalyst preparation is found to lead to a significant improvement in H₂O₂ synthesis activity, through the modification of particle size and control of Pd oxidation state.

Original language	English
Article number	106358
Journal	Catalysis Communications
Volume	161
Early online date	27 Sept 2021
DOIs	https://doi.org/10.1016/j.catcom.2021.106358
Publication status	Published - 31 Dec 2021

Bibliographical note

Funding Information:
The authors wish to thank the Cardiff University electron microscope facility for the transmission electron microscopy. XPS data collection was performed at the EPSRC National Facility for XPS (‘HarwellXPS’), operated by Cardiff University and UCL , under contract No. PR16195 . The Max Planck Centre for Fundamental Heterogeneous Catalysis (FUNCAT) is gratefully acknowledged for financial support.

Keywords

Green chemistry
HO direct synthesis
Palladium

ASJC Scopus subject areas

Catalysis
General Chemistry
Process Chemistry and Technology

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10.1016/j.catcom.2021.106358Licence: CC BY-NC-ND

Cite this

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title = "Improving the performance of Pd based catalysts for the direct synthesis of hydrogen peroxide via acid incorporation during catalyst synthesis",

abstract = "The direct synthesis of hydrogen peroxide from molecular H2 and O2 offers an attractive alternative to the current means of production of this powerful oxidant, on an industrial scale. Herein we investigate the role of nitric acid addition, during catalyst preparation as a means of improving catalytic performance, under reaction conditions that have previously been found to be optimal for H2O2 production. The addition of dilute nitric acid during catalyst preparation is found to lead to a significant improvement in H2O2 synthesis activity, through the modification of particle size and control of Pd oxidation state.",

keywords = "Green chemistry, HO direct synthesis, Palladium",

author = "Lewis, {Richard J.} and Ntainjua, {Edwin N.} and Morgan, {David J.} and Davies, {Thomas E.} and Carley, {Albert F.} and Freakley, {Simon J.} and Hutchings, {Graham J.}",

note = "Funding Information: The authors wish to thank the Cardiff University electron microscope facility for the transmission electron microscopy. XPS data collection was performed at the EPSRC National Facility for XPS ({\textquoteleft}HarwellXPS{\textquoteright}), operated by Cardiff University and UCL , under contract No. PR16195 . The Max Planck Centre for Fundamental Heterogeneous Catalysis (FUNCAT) is gratefully acknowledged for financial support. ",

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AU - Lewis, Richard J.

AU - Ntainjua, Edwin N.

AU - Morgan, David J.

AU - Davies, Thomas E.

AU - Carley, Albert F.

AU - Freakley, Simon J.

AU - Hutchings, Graham J.

N1 - Funding Information: The authors wish to thank the Cardiff University electron microscope facility for the transmission electron microscopy. XPS data collection was performed at the EPSRC National Facility for XPS (‘HarwellXPS’), operated by Cardiff University and UCL , under contract No. PR16195 . The Max Planck Centre for Fundamental Heterogeneous Catalysis (FUNCAT) is gratefully acknowledged for financial support.

PY - 2021/12/31

Y1 - 2021/12/31

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AB - The direct synthesis of hydrogen peroxide from molecular H2 and O2 offers an attractive alternative to the current means of production of this powerful oxidant, on an industrial scale. Herein we investigate the role of nitric acid addition, during catalyst preparation as a means of improving catalytic performance, under reaction conditions that have previously been found to be optimal for H2O2 production. The addition of dilute nitric acid during catalyst preparation is found to lead to a significant improvement in H2O2 synthesis activity, through the modification of particle size and control of Pd oxidation state.

KW - Green chemistry

KW - HO direct synthesis

KW - Palladium

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Improving the performance of Pd based catalysts for the direct synthesis of hydrogen peroxide via acid incorporation during catalyst synthesis

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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