Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Jiří Krupka"'
Publikováno v:
Chemické listy. 117:219-226
The steam cracker unit at ORLEN Unipetrol is a significant European producer of monomers. Due to heavy feedstocks, the steam cracker can produce (besides ethylene, propylene and benzene) very valuable hydrocarbons such as dicyclopentadiene. The staff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a5920c5a2d1862ce3115ea07dd66f0f
https://doi.org/10.54779/chl20230219
https://doi.org/10.54779/chl20230219
Publikováno v:
Polish Journal of Chemical Technology. 25:1-7
In this study, a series of Co-based catalysts with alkali metal carbonate promoters were prepared to investigate the interrelation between promotion effect of these carbonates and catalytic performance for aniline hydrogenation to cyclohexylamine in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4a0ea979d0425896e23e34a8bd38d0c
https://doi.org/10.2478/pjct-2023-0001
https://doi.org/10.2478/pjct-2023-0001
Publikováno v:
Polish Journal of Chemical Technology, Vol 23, Iss 3, Pp 43-48 (2021)
This work deals with a study of the effect of temperature on the cyclohexylamine disproportionation to dicyclohexylamine, conjointly with the thermodynamic analysis of this process. The laboratory experiments were carried out in a glass tubular conti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3750f30a881d1fdf34dd884c00749f33
https://doi.org/10.2478/pjct-2021-0029
https://doi.org/10.2478/pjct-2021-0029
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 130:617-632
The well-known kinetics of Fischer esterification has already been reported for various systems. Despite this fact, the kinetic model of esterification of oleic acid and methanol under catalysis with sulfuric acid is still debated in the literature.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4a2997840e89e8def5a58263c93f9e0
https://doi.org/10.1007/s11144-020-01796-7
https://doi.org/10.1007/s11144-020-01796-7
Autor:
Thuy Tran Do, Lucie Havelková, Jan Sedláček, Bogdana Bashta, Libor Červený, Lada Sekerová, Eliška Vyskočilová, Jiří Krupka, Pavlína Březinová
Publikováno v:
ChemCatChem. 12:1075-1084
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f6e19578cf02a16844e2fc2ba950813
https://doi.org/10.1002/cctc.201901815
https://doi.org/10.1002/cctc.201901815
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 127:727-740
The influence of reaction conditions (amount and type of the catalyst, the reaction temperature, the type of the solvent) on the reaction course of the acetalization of aldehydes with diols was tested in this paper. The optimization of reaction condi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::320f2c5cc490943bdbdf3eb6e7154dbe
https://doi.org/10.1007/s11144-019-01595-9
https://doi.org/10.1007/s11144-019-01595-9
Publikováno v:
Polymers. 14:667
ORLEN Unipetrol’s Steam Cracking unit processes a wide range of hydrocarbons from gases to heavy oils produced in refinery processes. Due to the heavy feedstock, the Steam Cracking unit can produce very valuable hydrocarbons such as cyclopentadiene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3ecd28bbf61fb1333eaa3a9d71a8608
https://doi.org/10.3390/polym14040667
https://doi.org/10.3390/polym14040667
Publikováno v:
Research on Chemical Intermediates. 44:3971-3984
Iron-modified zeolites beta with different loading of iron (0–10 wt.% of iron) were used for the preparation of perillyl alcohol from β-pinene oxide. The prepared catalysts were characterized by XRD, XRF, UV/Vis and TPD of pyridine to determine th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a11cc6203fb7a2a3545290b7a94383c2
https://doi.org/10.1007/s11164-018-3335-y
https://doi.org/10.1007/s11164-018-3335-y
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 124:711-725
Prins cyclization of isoprenol with benzaldehyde as a model aldehyde was performed using montmorillonite K10 as an acid catalyst. Various reaction conditions were used including catalyst modification by mineral acids and calcination. Both treatments
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::292d9ceb5130669d350e2a9daf734413
https://doi.org/10.1007/s11144-018-1371-7
https://doi.org/10.1007/s11144-018-1371-7
Publikováno v:
Journal of Porous Materials. 25:273-281
MoO3 modified alumosilicates were prepared by impregnation method and used in Prins cyclization of isoprenol and isovaleraldehyde forming 2-isobutyl-4-methyltetrahydro-2H-pyran-4-ol (important compound for fragrant industry). Alumosilicates of Siral
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e80b0d910e103057d25ecffda5c26ac6
https://doi.org/10.1007/s10934-017-0440-z
https://doi.org/10.1007/s10934-017-0440-z