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Design of Unsteady-State Fixed-Bed Processes for Heat Regeneration, Ad-/Desorption, and Gas-Solid Reactions

Title data

Kern, Christoph ; Jess, Andreas:
Design of Unsteady-State Fixed-Bed Processes for Heat Regeneration, Ad-/Desorption, and Gas-Solid Reactions.
In: Chemical Engineering & Technology. Vol. 45 (2022) Issue 11 . - pp. 2015-2029.
ISSN 1521-4125
DOI: https://doi.org/10.1002/ceat.202200269

Official URL: Volltext

Abstract in another language

This review covers all three unsteady-state fixed-bed processes important in chemical engineering, namely, heat transfer from a hot gas to a cold fixed bed (heat regenerator), ad- and desorption of a gas for a Langmuir and a linear isotherm, and regeneration of a coked catalyst by coke burn-off as an important example of a transient gas-solid process. Albeit of inherent differences, the processes have strong analogies. For example, a moving heat or mass transfer zone, spreading or with constant pattern behavior, is formed. For each case, numerical and suitable analytical solutions for process design either selected from literature or developed in this work are derived and compared. Experimental data, if available, are also considered.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Adsorption; Coke burn-off; Fixed-bed processes; Heat regenerator; Unsteady-state process
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Chemical Engineering
Faculties > Faculty of Engineering Science > Chair Chemical Engineering > Chair Chemical Engineering - Univ.-Prof. Dr.-Ing. Andreas Jess
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering
600 Technology, medicine, applied sciences > 660 Chemical engineering
Date Deposited: 03 Nov 2022 08:32
Last Modified: 03 Nov 2022 08:32
URI: https://eref.uni-bayreuth.de/id/eprint/72631