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| Naji, M. |
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Pintar, Albin
National Institute of Chemistry
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2023Structural Disorder of AlMg‐Oxide Phase Supporting Cu/ZnO Catalyst Improves Efficiency and Selectivity for CO<sub>2</sub> Hydrogenation to Methanolcitations
- 2023Highly porous polymer beads coated with nanometer-thick metal oxide films for photocatalytic oxidation of bisphenol Acitations
- 2020Visible Light-Driven Photocatalytic Activity of Magnetic Recoverable Ternary ZnFe2O4/rGO/g-C3N4 Nanocomposites
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article
Structural Disorder of AlMg‐Oxide Phase Supporting Cu/ZnO Catalyst Improves Efficiency and Selectivity for CO<sub>2</sub> Hydrogenation to Methanol
Abstract
<jats:title>Abstract</jats:title><jats:p>The performance of the Cu/ZnO catalyst system with the AlMg‐oxide phase is studied for CO<jats:sub>2</jats:sub> hydrogenation to methanol. The catalyst is prepared by thermal treatment of the hydrotalcite phase containing intimately mixed metal cations in the hydroxide form. CuO in the presence of ZnO and disordered AlMg‐oxide phase gets easily reduced to Cu during the hydrogenation reaction. Its catalytic activity at relatively low Cu metal content (∼14 at.%) remains stable during 100 hours on stream at 260 °C with constant space‐time yield for methanol (∼1.8 g<jats:sub>MeOH</jats:sub> g<jats:sub>cat</jats:sub><jats:sup>−1</jats:sup> h<jats:sup>−1</jats:sup>) and high methanol selectivity (>85 %) The improved performance is attributed to the neutralization of surface acidity, increased number of weak basic sites in the disordered phase, and lower tendency for coke formation.</jats:p>