Surface Alloy or Metal–Cation Interaction‐The State of Zn Promoting the Active Cu Sites in Methanol Synthesis Catalysts
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DOI: 10.1002/cctc.201601102
Abstract: Model catalysts containing disordered CuO and ZnO species in the pores of SBA‐15 were reduced under different conditions (standard: H2, 513 K; severe: CO/H2, 673 K), studied by X‐ray diffraction (XRD) and X‐ray absorption spectroscopy (XAS) including… read more here.
Keywords: methanol synthesis; surface alloy; severe reduction; interaction ... See more keywords
DFT Study of Nickel‐Catalyzed Low‐Temperature Methanol Synthesis
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DOI: 10.1002/cctc.201700213
Abstract: Low‐temperature methanol synthesis (CO+2 H2→CH3OH) catalyzed by a homogeneous nickel/alkali metal alkoxide system has been studied theoretically. Two broad mechanistic possibilities, the direct hydrogenation of CO by nickel formyl species and indirect hydrogenation via methyl formate… read more here.
Keywords: low temperature; methanol; methyl formate; methanol synthesis ... See more keywords
Quantification of Formate and Oxygen Coverages on Cu Under Industrial Methanol Synthesis Conditions
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DOI: 10.1007/s10562-020-03162-7
Abstract: Abstract A method for quantifying the surface coverage of adsorbate species for reactions at high pressure and high temperature is presented. Methanol was synthesized from CO 2 /CO/H 2 (3/29/68) at 523 K and 50 bar on… read more here.
Keywords: oxygen; surface; methanol synthesis; formate ... See more keywords
Methanol synthesis from CO2: a DFT investigation on Zn-promoted Cu catalyst
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DOI: 10.1007/s11164-019-04061-2
Abstract: The reaction steps during methanol synthesis from CO2/H2 are influenced by the type of catalysts such as pure Cu and Zn-decorated Cu. In this study, density functional theory (DFT) calculations were carried out to illustrate… read more here.
Keywords: dft; methanol synthesis; co2; synthesis co2 ... See more keywords
IR-Spectroscopic Study on the Interface of Cu-Based Methanol Synthesis Catalysts: Evidence for the Formation of a ZnO Overlayer
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DOI: 10.1007/s11244-017-0850-9
Abstract: Carbon monoxide was applied as probe molecule to compare the surface of a ZnO-containing (Cu/ZnO:Al) and a ZnO-free (Cu/MgO) methanol synthesis catalyst (copper content 70 atomic %) after reduction in hydrogen at 523 K by DRIFT… read more here.
Keywords: metallic copper; methanol synthesis; zno; copper ... See more keywords
Structure and activity of Cu/ZnO catalysts co-modified with aluminium and gallium for methanol synthesis
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DOI: 10.1016/j.cattod.2019.03.034
Abstract: Abstract This contribution describes the modification in the structure and activity of Cu/ZnO catalyst in the methanol synthesis reaction induced by the co-modification with a low amount of Al and Ga (Al + Ga = 3% atom). To elucidate… read more here.
Keywords: activity zno; methanol synthesis; activity; structure activity ... See more keywords
Atomically dispersed Ptn+ species as highly active sites in Pt/In2O3 catalysts for methanol synthesis from CO2 hydrogenation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2020.06.018
Abstract: Abstract Hydrogenation of CO2 into methanol using the H2 produced from renewable energy is a promising way for carbon capture and utilization. Therefore, the methanol synthesis catalysts with high methanol selectivity are highly desired. In… read more here.
Keywords: ptn species; atomically dispersed; methanol selectivity; hydrogenation ... See more keywords
New insights on CO and CO2 hydrogenation for methanol synthesis: The key role of adsorbate-adsorbate interactions on Cu and the highly active MgO-Cu interface
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2021.06.020
Abstract: Abstract By coupling density functional theory calculations (DFT) with microkinetic modeling, we address two controversial problems pertaining to methanol synthesis: i) Which of the CO or CO2 hydrogenation routes dominates the synthesis rate, and ii)… read more here.
Keywords: mgo interface; adsorbate adsorbate; hydrogenation; methanol synthesis ... See more keywords
Evaluation of different cooling technologies for industrial methanol synthesis reactor in terms of energy efficiency and methanol yield: An economic-optimization
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Taiwan Institute of Chemical Engineers"
DOI: 10.1016/j.jtice.2020.08.029
Abstract: Abstract In recent years, increasing demand for methanol, as a clean alternative to fossil fuels, necessitates analyzing the methanol synthesis reactor in terms of econometrics, methanol production, and energy efficiency. So, the aim of this… read more here.
Keywords: energy efficiency; synthesis reactor; methanol synthesis; methanol yield ... See more keywords
The effect of the thermal pretreatment on the performance of ZnO/Cr2O3 catalysts applied in high-temperature methanol synthesis
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DOI: 10.1016/j.mcat.2017.10.033
Abstract: Abstract Co-precipitated ZnO/Cr2O3 catalyst precursors were thermally pretreated in synthetic air (calcination), N2 (pyrolysis) and 10% H2 diluted in N2 (reduction) at temperatures in the range from 320 °C to 600 °C and then applied in methanol… read more here.
Keywords: thermal pretreatment; catalyst; methanol synthesis; temperature ... See more keywords
Renewable Methanol Synthesis through Single Step Bi-reforming of Biogas
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DOI: 10.1021/acs.iecr.0c00755
Abstract: Biogas is considered a renewable source of carbon for methanol production. For this, biogas, containing mainly CH4 and CO2, is first reformed into syngas (a CO/H2 mixture) followed by conversion to... read more here.
Keywords: synthesis single; methanol; methanol synthesis; single step ... See more keywords