Isotopic 18O/16O substitution study on the direct partial oxidation of CH4 to dimethyl ether over a Pt/Y2O3 catalyst using NO/O2 as an oxidant

I. Tyrone Ghampson; Sean-Thomas B. Lundin; Tetsuya Shishido; S. Ted Oyama

doi:10.1039/D1CY00253H

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Isotopic ¹⁸O/¹⁶O substitution study on the direct partial oxidation of CH₄ to dimethyl ether over a Pt/Y₂O₃ catalyst using NO/O₂ as an oxidant†

I. Tyrone Ghampson,

^bc Sean-Thomas B. Lundin,^c Tetsuya Shishido

^b and S. Ted Oyama*^acd

Author affiliations

* Corresponding authors

^a School of Chemical Engineering, Fuzhou University, Fuzhou 350116, China

^b Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan

^c Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan

^d Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, USA
E-mail: oyama@vt.edu

Abstract

The direct partial oxidation of CH₄ to dimethyl ether (DME) was achieved with a Pt/Y₂O₃ catalyst using a mixture of NO and O₂. The actual gas composition contained a mixture of NO and NO₂, with no decomposition or net consumption of these species. Use of ¹⁸O₂ confirmed the transfer of labeled oxygen from O₂ to CH₄, indicating the NO/NO₂ mixture worked as a single oxygen atom shuttle.

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Article information

DOI: https://doi.org/10.1039/D1CY00253H
Article type: Communication
Submitted: 10 Feb 2021
Accepted: 15 Mar 2021
First published: 17 Mar 2021

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Catal. Sci. Technol., 2021,11, 2708-2712

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Isotopic ¹⁸O/¹⁶O substitution study on the direct partial oxidation of CH₄ to dimethyl ether over a Pt/Y₂O₃ catalyst using NO/O₂ as an oxidant

I. T. Ghampson, S. B. Lundin, T. Shishido and S. T. Oyama, Catal. Sci. Technol., 2021, 11, 2708 DOI: 10.1039/D1CY00253H

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