Acetone reaction pathways as a model bio-oxygenate in a hydrocarbon medium on zeolite Y and ZSM-5 catalysts: isotope labeling study
T A Palankoev
1
,
K I Dementev
1
,
D V Kuznetsova
1
,
R S Borisov
1
,
A L Maximov
1
,
S N Khadzhiev
1
Publication type: Journal Article
Publication date: 2022-03-01
scimago Q1
wos Q1
SJR: 2.696
CiteScore: 20.6
Impact factor: 13.2
ISSN: 13858947, 18733212
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Environmental Chemistry
Abstract
In this research the isotope labeling experiments were used to study the reaction pathways of acetone conversion in hydrocarbon medium in the presence Y and ZSM-5 zeolites. Acetone is a model for ketones, which are a considerable fraction of bio-oil. The analysis of the isotope distribution in the conversion products was carried out by 1H NMR and GC/MS methods; it was shown that the deuterium labels introduced with acetone are distributed mainly in C3-C4 olefins, as well as pentenes and 2-methylpentane. The results obtained correspond with the previously proposed assumption that the catalytic cracking of ketones, capable to transform into enols, in a hydrocarbon medium starts with a nucleophilic attack of the protonated ketone on hydrocarbon intermediates. Additionally, the H/D exchange between deuterated compounds and cracking intermediates or zeolite has been established.
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Palankoev T. A. et al. Acetone reaction pathways as a model bio-oxygenate in a hydrocarbon medium on zeolite Y and ZSM-5 catalysts: isotope labeling study // Chemical Engineering Journal. 2022. Vol. 431. p. 134228.
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Palankoev T. A., Dementev K. I., Kuznetsova D. V., Borisov R. S., Maximov A. L., Khadzhiev S. N. Acetone reaction pathways as a model bio-oxygenate in a hydrocarbon medium on zeolite Y and ZSM-5 catalysts: isotope labeling study // Chemical Engineering Journal. 2022. Vol. 431. p. 134228.
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TY - JOUR
DO - 10.1016/j.cej.2021.134228
UR - https://doi.org/10.1016/j.cej.2021.134228
TI - Acetone reaction pathways as a model bio-oxygenate in a hydrocarbon medium on zeolite Y and ZSM-5 catalysts: isotope labeling study
T2 - Chemical Engineering Journal
AU - Palankoev, T A
AU - Dementev, K I
AU - Kuznetsova, D V
AU - Borisov, R S
AU - Maximov, A L
AU - Khadzhiev, S N
PY - 2022
DA - 2022/03/01
PB - Elsevier
SP - 134228
VL - 431
SN - 1385-8947
SN - 1873-3212
ER -
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@article{2022_Palankoev,
author = {T A Palankoev and K I Dementev and D V Kuznetsova and R S Borisov and A L Maximov and S N Khadzhiev},
title = {Acetone reaction pathways as a model bio-oxygenate in a hydrocarbon medium on zeolite Y and ZSM-5 catalysts: isotope labeling study},
journal = {Chemical Engineering Journal},
year = {2022},
volume = {431},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.cej.2021.134228},
pages = {134228},
doi = {10.1016/j.cej.2021.134228}
}