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 LH2g -1cat h-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.
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Original Russian Text © A.A. Pechenkin, S.D. Badmaev, V.D. Belyaev, E.A. Paukshtis, O.A. Stonkus, V.A. Sobyanin, 2017, published in Kinetika i Kataliz, 2017, Vol. 58, No. 5, pp. 589–597.
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Pechenkin, A.A., Badmaev, S.D., Belyaev, V.D. et al. Steam reforming of dimethoxymethane, methanol and dimethyl ether on CuO–ZnO/γ-Al2O3 catalyst. Kinet Catal 58, 577–584 (2017). https://doi.org/10.1134/S0023158417050196
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DOI: https://doi.org/10.1134/S0023158417050196