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  4. Selective oxidation of ethylene to ethylene oxide on silver catalysts at industrial conditions: reactor profiles, kinetics and chlorine inhibition
 
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Selective oxidation of ethylene to ethylene oxide on silver catalysts at industrial conditions: reactor profiles, kinetics and chlorine inhibition

Citation Link: https://doi.org/10.15480/882.14136
Publikationstyp
Doctoral Thesis
Date Issued
2025
Sprache
English
Author(s)
Berg, Viktor  
Advisor
Horn, Raimund  
Referee
Heinrich, Stefan  
Smirnova, Irina  orcid-logo
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2024-12-09
Institute
Chemische Reaktionstechnik V-2  
TORE-DOI
10.15480/882.14136
TORE-URI
https://tore.tuhh.de/handle/11420/52746
Citation
Technische Universität Hamburg (2025)
Peer Reviewed
false
In this work, the direct epoxidation reaction of ethylene to ethylene oxide and the influence of cofeeding halogenated hydrocarbons was investigated. Kinetic investigations were conducted to determine intrinsic parameters using a newly designed and constructed isotherm fixed-bed reactor and a compact profile reactor (CPR), which was used to fit the kinetic parameters from measured concentration and temperature profiles at industrial reaction conditions. Also, the CPR was used to study the mechanism of chlorine moderation of the supported silver catalyst, revealing the competitive adsorption behavior of chlorine and oxygen on the same active sites. A pilot-scale reactor was designed and built to validate the kinetic parameters by a 2D pseudohomogeneous profile simulation.
Subjects
Catalysts
Profile reactor
Chlorine
Kinetics
Epoxidation
DDC Class
660.2: Chemical Engineering
Lizenz
https://creativecommons.org/licenses/by/4.0/
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Viktor_Berg_Dissertation.pdf

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