Steam reforming of dimethoxymethane, methanol and dimethyl ether on CuO–ZnO/γ-Al2O3 catalyst


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Abstract

The performance of a СuO–ZnO/γ-Al2O3 catalyst for the reactions of methanol, dimethyl ether (DME) and dimethoxymethane (DMM) steam reforming (SR) to hydrogen-rich gas was studied. The catalyst was found to be active and selective for methanol and DMM SR producing hydrogen-rich gas with low content of CO (<1 vol %). It provided complete conversion of methanol and DMM at 300°C, and hydrogen productivity of, respectively, 15 and 16.5 LH2gcat-1h-1. With the use of physicochemical methods and catalytic experiments, it was shown that the catalyst surface contained the acid sites typical for γ-Al2O3, and CuO–ZnO agglomerates, responsible, respectively, for DMM hydration to methanol and formaldehyde, and SR of these compounds to hydrogen-rich gas.

About the authors

A. A. Pechenkin

Boreskov Institute of Catalysis, Siberian Branch; Novosibirsk State University

Author for correspondence.
Email: pechenkin@catalysis.ru
Russian Federation, pr. Acad. Lavrentieva 5, Novosibirsk, 630090; Pirogova st. 2, Novosibirsk, 630090

S. D. Badmaev

Boreskov Institute of Catalysis, Siberian Branch; Novosibirsk State University

Email: pechenkin@catalysis.ru
Russian Federation, pr. Acad. Lavrentieva 5, Novosibirsk, 630090; Pirogova st. 2, Novosibirsk, 630090

V. D. Belyaev

Boreskov Institute of Catalysis, Siberian Branch

Email: pechenkin@catalysis.ru
Russian Federation, pr. Acad. Lavrentieva 5, Novosibirsk, 630090

E. A. Paukshtis

Boreskov Institute of Catalysis, Siberian Branch

Email: pechenkin@catalysis.ru
Russian Federation, pr. Acad. Lavrentieva 5, Novosibirsk, 630090

O. A. Stonkus

Boreskov Institute of Catalysis, Siberian Branch; Novosibirsk State University

Email: pechenkin@catalysis.ru
Russian Federation, pr. Acad. Lavrentieva 5, Novosibirsk, 630090; Pirogova st. 2, Novosibirsk, 630090

V. A. Sobyanin

Boreskov Institute of Catalysis, Siberian Branch

Email: pechenkin@catalysis.ru
Russian Federation, pr. Acad. Lavrentieva 5, Novosibirsk, 630090

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