Open Access
Nature Communications, volume 11, issue 1, publication number 3898
Identifying the nature of the active sites in methanol synthesis over Cu/ZnO/Al2O3 catalysts
Publication type: Journal Article
Publication date: 2020-08-04
Journal:
Nature Communications
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 16.6
ISSN: 20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
The heterogeneously catalysed reaction of hydrogen with carbon monoxide and carbon dioxide (syngas) to methanol is nearly 100 years old, and the standard methanol catalyst Cu/ZnO/Al2O3 has been applied for more than 50 years. Still, the nature of the Zn species on the metallic Cu0 particles (interface sites) is heavily debated. Here, we show that these Zn species are not metallic, but have a positively charged nature under industrial methanol synthesis conditions. Our kinetic results are based on a self-built high-pressure pulse unit, which allows us to inject selective reversible poisons into the syngas feed passing through a fixed-bed reactor containing an industrial Cu/ZnO/Al2O3 catalyst under high-pressure conditions. This method allows us to perform surface-sensitive operando investigations as a function of the reaction conditions, demonstrating that the rate of methanol formation is only decreased in CO2-containing syngas mixtures when pulsing NH3 or methylamines as basic probe molecules. Methanol synthesis has a high potential for global CO2 reduction. Here, the authors identify the oxidation state of the zinc sites on the metallic copper particles as partially positive for an industrial Cu/ZnO/Al2O3 catalyst under high-pressure reaction conditions.
Top-30
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Citations by publishers
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American Chemical Society (ACS)
37 publications, 30.33%
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Elsevier
32 publications, 26.23%
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Wiley
20 publications, 16.39%
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10 publications, 8.2%
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Multidisciplinary Digital Publishing Institute (MDPI)
6 publications, 4.92%
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Chemical Industry Press
1 publication, 0.82%
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1 publication, 0.82%
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1 publication, 0.82%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 0.82%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Laudenschleger D. et al. Identifying the nature of the active sites in methanol synthesis over Cu/ZnO/Al2O3 catalysts // Nature Communications. 2020. Vol. 11. No. 1. 3898
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Laudenschleger D., Ruland H., Muhler M. Identifying the nature of the active sites in methanol synthesis over Cu/ZnO/Al2O3 catalysts // Nature Communications. 2020. Vol. 11. No. 1. 3898
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TY - JOUR
DO - 10.1038/s41467-020-17631-5
UR - https://doi.org/10.1038/s41467-020-17631-5
TI - Identifying the nature of the active sites in methanol synthesis over Cu/ZnO/Al2O3 catalysts
T2 - Nature Communications
AU - Laudenschleger, Daniel
AU - Ruland, Holger
AU - Muhler, Martin
PY - 2020
DA - 2020/08/04 00:00:00
PB - Springer Nature
IS - 1
VL - 11
SN - 2041-1723
SN - 2041-1723
ER -
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@article{2020_Laudenschleger,
author = {Daniel Laudenschleger and Holger Ruland and Martin Muhler},
title = {Identifying the nature of the active sites in methanol synthesis over Cu/ZnO/Al2O3 catalysts},
journal = {Nature Communications},
year = {2020},
volume = {11},
publisher = {Springer Nature},
month = {aug},
url = {https://doi.org/10.1038/s41467-020-17631-5},
number = {1},
doi = {10.1038/s41467-020-17631-5}
}