Carbon nanofibers based copper/zirconia catalysts for carbon dioxide hydrogenation to methanol: Effect of copper concentration

Din, Israf Ud; Shaharun, Maizatul Shima; Akhtar, Naeem; Tasleem, S.; Johan, Mohd Rafie

doi:10.1016/j.cej.2017.10.087

Cited by 75 publications

(32 citation statements)

References 63 publications

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“…The Cu−ZnO−Al 2 O 3 catalyst showed poor activity and stability, which may be related to the strong hydrophilicity of Al 2 O 3 . The presence of byproduct water can accelerate the aggregation and sintering of Cu in the catalysis reaction, which will lead to serious deactivation of the catalyst ,. To solve this problem, other promoters such as ZrO 2 , TiO 2 , and Cr 2 O 3 have also been extensively studied ,,.…”

Section: Introductionsupporting

confidence: 82%

“…The presence of byproduct water can accelerate the aggregation and sintering of Cu in the catalysis reaction, which will lead to serious deactivation of the catalyst ,. To solve this problem, other promoters such as ZrO 2 , TiO 2 , and Cr 2 O 3 have also been extensively studied ,,. For example, Bonura et al.…”

Section: Introductionmentioning

confidence: 98%

“…Din et al. combined the carbon nanofibers with Cu‐ZrO 2 catalyst, it is worth noting that the catalytic performances of composite catalysts have been greatly improved . Witoon et al.…”

Section: Introductionmentioning

confidence: 99%

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The Synergistic Effect of CuZnCeO_x in Controlling the Formation of Methanol and CO from CO₂ Hydrogenation

Qin

Guan

et al. 2018

ChemCatChem

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CO 2 hydrogenation will be essential for a sustainable society if methanol and CO can be efficiently obtained using appropriate catalysts. In this paper, a highly efficient CuZnCeO x catalyst was synthesized using a parallel flow coprecipitation method, and was evaluated in CO 2 hydrogenation to produce methanol and CO. Interestingly, the catalyst shows excellent activity and stability, and the selectivity of the products can be controlled by the amount of CeO x . Characterization results show that a significant synergistic effect between Cu and metal oxides (ZnO and/or CeO x ) was observed at the composite catalysts. Cu plays a critical role in the activation of H 2 , and CeO x strongly adsorbs CO 2 . CeO x improved the dispersion of Cu nanoparticles and promoted the spillover of atomic hydrogen, which was beneficial to the generation of methanol. Meanwhile, ZnO exhibited weak adsorption ability for CO 2 , which was beneficial for the generation of CO. In addition, ZnO can significantly improve the dispersion of the CeO x nanoparticles. Both the dispersion of active sites and the activation abilities of CO 2 are critical for catalyst activity and product selectivity. Thus, the ternary catalyst CuZnCeO x shows higher performance than the binary catalysts (CuZnO x and CuCeO x ) in the CO 2 hydrogenation reaction. This paper provides a viable way to produce selectively methanol or CO from CO 2 hydrogenation.[a] Dr.

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Section: Introductionsupporting

confidence: 82%

Section: Introductionmentioning

confidence: 98%

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The Synergistic Effect of CuZnCeO_x in Controlling the Formation of Methanol and CO from CO₂ Hydrogenation

Qin

Guan

et al. 2018

ChemCatChem

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“…1,4-Dioxane however, is not an environmentally-benign solvent of choice, 36 other organic solvents have also been reported for the liquid phase hydrogenation of CO 2 , including ethanol. 37 Organic solvents have the disadvantage of being involved in the reaction itself, and may play a role in the synthesis of the targeted products; hence, it is better to avoid using them. It has been reported that addition of water is effective for improving CO 2 hydrogenation to formic acid.…”

Section: Introductionmentioning

confidence: 99%

Liquid phase hydrogenation of CO₂ to formate using palladium and ruthenium nanoparticles supported on molybdenum carbide

et al. 2019

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“…Methanol synthesis from CO 2 and H 2 has received much attention recently . On one hand, this reaction is an environmentally friendly process, which consumes greenhouse gas CO 2 .…”

Section: Introductionmentioning

confidence: 99%

Enhanced Catalytic Performance for CO₂ Hydrogenation to Methanol over N‐doped Graphene Incorporated Cu‐ZnO‐Al₂O₃ Catalysts

Geng

Zhang

et al. 2019

ChemistrySelect

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N-doped graphene (NG) incorporated Cu-ZnO-Al 2 O 3 (CZA) catalysts were prepared by co-precipitation method and their catalytic performances for CO 2 hydrogenation to methanol were evaluated under the reaction conditions of 200 ○C and 3.0 MPa. The results indicate that NG promotes effectively the dispersion of CZA and changes the electron structure of CZA, which could provide synergistic effect for methanol synthesis. When NG content is 10 wt.%, the CO 2 conversion and methanol selectivity can achieve the highest values of 8.2% and 84%, respectively, which are much higher than those of traditional CZA catalyst.[a] Dr.

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Carbon nanofibers based copper/zirconia catalysts for carbon dioxide hydrogenation to methanol: Effect of copper concentration

Cited by 75 publications

References 63 publications

The Synergistic Effect of CuZnCeO_x in Controlling the Formation of Methanol and CO from CO₂ Hydrogenation

The Synergistic Effect of CuZnCeO_x in Controlling the Formation of Methanol and CO from CO₂ Hydrogenation

Liquid phase hydrogenation of CO₂ to formate using palladium and ruthenium nanoparticles supported on molybdenum carbide

Enhanced Catalytic Performance for CO₂ Hydrogenation to Methanol over N‐doped Graphene Incorporated Cu‐ZnO‐Al₂O₃ Catalysts

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Carbon nanofibers based copper/zirconia catalysts for carbon dioxide hydrogenation to methanol: Effect of copper concentration

Cited by 75 publications

References 63 publications

The Synergistic Effect of CuZnCeOx in Controlling the Formation of Methanol and CO from CO2 Hydrogenation

The Synergistic Effect of CuZnCeOx in Controlling the Formation of Methanol and CO from CO2 Hydrogenation

Liquid phase hydrogenation of CO2 to formate using palladium and ruthenium nanoparticles supported on molybdenum carbide

Enhanced Catalytic Performance for CO2 Hydrogenation to Methanol over N‐doped Graphene Incorporated Cu‐ZnO‐Al2O3 Catalysts

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Resources

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The Synergistic Effect of CuZnCeO_x in Controlling the Formation of Methanol and CO from CO₂ Hydrogenation

The Synergistic Effect of CuZnCeO_x in Controlling the Formation of Methanol and CO from CO₂ Hydrogenation

Liquid phase hydrogenation of CO₂ to formate using palladium and ruthenium nanoparticles supported on molybdenum carbide

Enhanced Catalytic Performance for CO₂ Hydrogenation to Methanol over N‐doped Graphene Incorporated Cu‐ZnO‐Al₂O₃ Catalysts