Jul 15, 2021 · Cu–ZnO–Al2O3 catalysts are used as the industrial catalysts for water gas shift (WGS) and CO hydrogenation to methanol reactions.

Mar 11, 2019 · Here, we report a mechanistic investigation of the ternary interactions of Cu/ZnO/ZrO 2 in CO 2 adsorption and activation for methanol synthesis by comparing the three-dimensional ordered...

Jan 15, 2025 · Controlled synthesis of Cu-ZnO catalyst featuring Z-scheme heterostructure. Achieved an 89.5% increase in methanol yield under light conditions. Photo-assistance promotes the adsorption and dissociation of H 2. The Z-scheme heterostructure of Cu-ZnO catalyst can be stabilized during the reaction.

May 8, 2024 · The Cu/ZnO system represents an intriguing and intensively studied example of catalytic synergy between a metal (Cu) and a metal oxide (ZnO), since the catalytic turn-over rate towards...

Jan 5, 2025 · On Cu-ZnO-ZrO 2 catalysts with significantly higher Zn content than Cu content, the interaction between ZnO and ZrO 2 was found to be more robust. This interaction facilitated the formation of oxygen vacancies, promoted the adsorption and activation of CO 2, and further stabilizes the formate species generated during the reaction.

Aug 5, 2022 · Rich Cu-ZnO interfaces play a significant role in Cu/ZnO catalysts for CO 2 hydrogenation to methanol. However, the low methanol selectivity and catalytic stability of reported Cu/ZnO catalysts mainly ascribe to the reduction of Cu-ZnO interfaces, which caused by the agglomeration of Cu nanoparticles.

May 20, 2016 · The model describes quantitatively the interaction between Cu and ZnO over a wide range of relevant methanol synthesis gas compositions and temperatures and is a function of the nanostructural architecture of the Cu/ZnO/Al 2 O 3 catalyst as well.

Sep 20, 2023 · This fundamental understanding will greatly help to fabricate efficient Cu-ZnO-based catalysts for the CO2 hydrogenation to methanol. Cu-ZnO-based catalysts are widely used to catalyze the CO2 hydrogenation to methanol and reverse water-gas shift (RWGS) reactions.

Sep 19, 2024 · Catalytic hydrogenation of carbon dioxide to methanol offers a promising avenue for recycling CO 2, enhancing environmental sustainability. Cu/ZnO has long been identified as one of the most effective heterogeneous catalysts for this reaction, yet the detailed understanding of its reaction mechanism and active sites remains incomplete.

Mar 5, 2025 · A Mg-promoted Cu/ZnO/ZrO 2 /Al 2 O 3 catalyst (CZZAM) was developed for methanol synthesis via CO 2 hydrogenation. Incorporating magnesium into the catalyst precursor improved the durability, addressing stability issues in our previously reported Cu/ZnO/ZrO 2 /Al 2 O 3 (CZZA) catalysts. Comparative evaluations showed that CZZAM outperforms commercial …