Understanding the role of butadiene in the selective hydrogenation of acetylene under adiabatic conditions
1
Institut für Nichtklassische Chemie Leipzig, Permoserstraße 15, 04318 Leipzig, Germany
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2
Shell Catalysts & Technologies Leuna GmbH, Am Haupttor Gebäude 8322, 06237 Leuna, Germany
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Publication type: Journal Article
Publication date: 2023-08-01
scimago Q2
wos Q2
SJR: 1.000
CiteScore: 8.6
Impact factor: 4.8
ISSN: 0926860X, 18733875
Catalysis
Process Chemistry and Technology
Abstract
The influence of added 1,3-butadiene on the selective hydrogenation of acetylene over Pd-Ag/Al2O3 catalyst was studied under tail-end conditions in an adiabatic reactor. It was found that 1,3-butadiene was hydrogenated to 1-butene, cis-2-butene, trans-2-butene and butane. Importantly, no increase of C6+ products from coupling with acetylene or ethylene could be observed. Presented results contradict an earlier hypothesized role of 1,3-butadiene in the formation of higher hydrocarbons. It is argued that a precursor of butadiene, vinyl-like C4H5 surface species, is the key intermediate in the formation of higher hydrocarbons.
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Naumann P., Scholz S., Herzfeld T. Understanding the role of butadiene in the selective hydrogenation of acetylene under adiabatic conditions // Applied Catalysis A: General. 2023. Vol. 664. p. 119346.
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Naumann P., Scholz S., Herzfeld T. Understanding the role of butadiene in the selective hydrogenation of acetylene under adiabatic conditions // Applied Catalysis A: General. 2023. Vol. 664. p. 119346.
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TY - JOUR
DO - 10.1016/j.apcata.2023.119346
UR - https://doi.org/10.1016/j.apcata.2023.119346
TI - Understanding the role of butadiene in the selective hydrogenation of acetylene under adiabatic conditions
T2 - Applied Catalysis A: General
AU - Naumann, Peter
AU - Scholz, Sven
AU - Herzfeld, Tobias
PY - 2023
DA - 2023/08/01
PB - Elsevier
SP - 119346
VL - 664
SN - 0926-860X
SN - 1873-3875
ER -
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@article{2023_Naumann,
author = {Peter Naumann and Sven Scholz and Tobias Herzfeld},
title = {Understanding the role of butadiene in the selective hydrogenation of acetylene under adiabatic conditions},
journal = {Applied Catalysis A: General},
year = {2023},
volume = {664},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.apcata.2023.119346},
pages = {119346},
doi = {10.1016/j.apcata.2023.119346}
}