High Active and Selective Ni/Ceo2-Al2O3 and Pd-Ni/Ceo2-Al2O3 Catalysts for Oxy-Steam Reforming of Methanol

Pawel Mierczynski; Agnieszka Mierczynska; Radoslaw Ciesielski; Magdalena Mosinska; Waldemar Maniukiewicz; Magdalena Nowosielska; Agnieszka Czylkowska; Malgorzata Szynkowska; Krasimir Vasilev

doi:10.20944/preprints201808.0050.v1

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preprints.org > chemistry and materials science > applied chemistry > doi: 10.20944/preprints201808.0050.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

High Active and Selective Ni/Ceo₂-Al₂O₃and Pd-Ni/Ceo₂-Al₂O₃ Catalysts for Oxy-Steam Reforming of Methanol

Pawel Mierczynski

^* ,

Agnieszka Mierczynska

Radoslaw Ciesielski

Magdalena Mosinska

Waldemar Maniukiewicz

Magdalena Nowosielska

Agnieszka Czylkowska

Malgorzata Szynkowska

Krasimir Vasilev

Version 1 : Received: 2 August 2018 / Approved: 2 August 2018 / Online: 2 August 2018 (16:54:10 CEST)

A peer-reviewed article of this Preprint also exists.

Mierczynski, P.; Mierczynska, A.; Ciesielski, R.; Mosinska, M.; Nowosielska, M.; Czylkowska, A.; Maniukiewicz, W.; Szynkowska, M.I.; Vasilev, K. High Active and Selective Ni/CeO₂–Al₂O₃ and Pd–Ni/CeO₂–Al₂O₃ Catalysts for Oxy-Steam Reforming of Methanol. Catalysts 2018, 8, 380. Mierczynski, P.; Mierczynska, A.; Ciesielski, R.; Mosinska, M.; Nowosielska, M.; Czylkowska, A.; Maniukiewicz, W.; Szynkowska, M.I.; Vasilev, K. High Active and Selective Ni/CeO2–Al2O3 and Pd–Ni/CeO2–Al2O3 Catalysts for Oxy-Steam Reforming of Methanol. Catalysts 2018, 8, 380.

Abstract

Herein, we report about the monometallic Ni and bimetallic Pd-Ni catalysts supported on CeO2-Al2O3 binary oxide, which were investigated in oxy-steam reforming of methanol (OSRM). Monometallic and bimetallic supported catalysts were prepared by wet aqueous impregnation and subsequent impregnation method, respectively. The physicochemical properties of the catalytic systems were investigated using various methods such as: BET, XRD, TPR-H2, TPD-NH3, XPS and SEM-EDS techniques. It has been proven that the addition of palladium to the nickel catalyst facilitates its reduction. The activity tests performed for all catalysts confirmed the promotion effect of palladium on catalytic activity of nickel catalyst and selectivity towards hydrogen production. Both nickel and bimetallic palladium-nickel supported catalysts showed excellent stability during the reaction. Such catalytic systems are valuable for the advance of the field of fuel cell technology.

Keywords

OSRM; nickel; bimetallic catalyst; heterogeneous catalysis; Pd-Ni

Subject

Chemistry and Materials Science, Applied Chemistry

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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