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Analysis and experimental demonstration of forced periodic operation of an adiabatic stirred tank reactor: Simultaneous modulation of inlet concentration and total flow-rate

Authorized Users Only
2021
Authors
Felischak, Matthias
Lothar, Kaps
Christof, Hamel
Nikolić, Daliborka
Petkovska, Menka
Seidel-Morgenstern, Andreas
Article (Published version)
,
Elsevier Ltd.
Metadata
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Abstract
It is well known, that forced periodic operation possesses the potential for process improvements. Nevertheless, only a small number of applications is reported, due to complex realization, limited predictability and high inertia of larger units. Nonlinear frequency response (NFR) analysis has proven to predict efficiently time-averaged performance of reactor effluent streams originating from forced periodic changes of one or several input(s). Focus of this paper was an experimental demonstration of forced periodic operation applied to the hydrolysis of acetic anhydride carried out in an adiabatic CSTR. Theoretical results provided a guideline for experiments exploiting simultaneous sinusoidal modulations of the anhydride inlet concentration and the total volumetric flow-rate. Influences of the forcing parameters (amplitudes and the phase difference) were also studied. Confirming the predictions of NFR analysis a significantly higher time-averaged product yields were experimentally ac...hieved compared to conventional steady-state operation with simultaneous modulation of two inputs using an optimized phase shift.

Keywords:
Dynamic reactor operation / Forced periodic modulation / Nonlinear frequency response analysis / Modulation of two inputs / Acetic anhydride hydrolysis
Source:
Chemical Engineering Journal, 2021, 410, 128197
Publisher:
  • Elsevier
Funding / projects:
  • DFG Priority Programme 2080, SPP 2080 Catalyst and reactors under dynamic conditions for energy storage and conversion, Project: Analysis of forced periodic operation of chemical reactors considering methanol synthesis as an example
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200135 (University of Belgrade, Faculty of Technology and Metallurgy) (RS-200135)
Note:
  • The corrections: https://cer.ihtm.bg.ac.rs/handle/123456789/5415
Related info:
  • Referenced by
    https://cer.ihtm.bg.ac.rs/handle/123456789/5415

DOI: 10.1016/j.cej.2020.128197

ISSN: 1385-8947

WoS: 000626517200002

[ Google Scholar ]
4
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/4139
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Felischak, Matthias
AU  - Lothar, Kaps
AU  - Christof, Hamel
AU  - Nikolić, Daliborka
AU  - Petkovska, Menka
AU  - Seidel-Morgenstern, Andreas
PY  - 2021
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4139
AB  - It is well known, that forced periodic operation possesses the potential for process improvements. Nevertheless, only a small number of applications is reported, due to complex realization, limited predictability and high inertia of larger units. Nonlinear frequency response (NFR) analysis has proven to predict efficiently time-averaged performance of reactor effluent streams originating from forced periodic changes of one or several input(s).
Focus of this paper was an experimental demonstration of forced periodic operation applied to the hydrolysis of acetic anhydride carried out in an adiabatic CSTR. Theoretical results provided a guideline for experiments exploiting simultaneous sinusoidal modulations of the anhydride inlet concentration and the total volumetric flow-rate. Influences of the forcing parameters (amplitudes and the phase difference) were also studied. Confirming the predictions of NFR analysis a significantly higher time-averaged product yields were experimentally achieved compared to conventional steady-state operation with simultaneous modulation of two inputs using an
optimized phase shift.
PB  - Elsevier
T2  - Chemical Engineering Journal
T1  - Analysis and experimental demonstration of forced periodic operation of an adiabatic stirred tank reactor: Simultaneous modulation of inlet concentration and total flow-rate
VL  - 410
IS  - 128197
DO  - 10.1016/j.cej.2020.128197
ER  - 
@article{
author = "Felischak, Matthias and Lothar, Kaps and Christof, Hamel and Nikolić, Daliborka and Petkovska, Menka and Seidel-Morgenstern, Andreas",
year = "2021",
abstract = "It is well known, that forced periodic operation possesses the potential for process improvements. Nevertheless, only a small number of applications is reported, due to complex realization, limited predictability and high inertia of larger units. Nonlinear frequency response (NFR) analysis has proven to predict efficiently time-averaged performance of reactor effluent streams originating from forced periodic changes of one or several input(s).
Focus of this paper was an experimental demonstration of forced periodic operation applied to the hydrolysis of acetic anhydride carried out in an adiabatic CSTR. Theoretical results provided a guideline for experiments exploiting simultaneous sinusoidal modulations of the anhydride inlet concentration and the total volumetric flow-rate. Influences of the forcing parameters (amplitudes and the phase difference) were also studied. Confirming the predictions of NFR analysis a significantly higher time-averaged product yields were experimentally achieved compared to conventional steady-state operation with simultaneous modulation of two inputs using an
optimized phase shift.",
publisher = "Elsevier",
journal = "Chemical Engineering Journal",
title = "Analysis and experimental demonstration of forced periodic operation of an adiabatic stirred tank reactor: Simultaneous modulation of inlet concentration and total flow-rate",
volume = "410",
number = "128197",
doi = "10.1016/j.cej.2020.128197"
}
Felischak, M., Lothar, K., Christof, H., Nikolić, D., Petkovska, M.,& Seidel-Morgenstern, A.. (2021). Analysis and experimental demonstration of forced periodic operation of an adiabatic stirred tank reactor: Simultaneous modulation of inlet concentration and total flow-rate. in Chemical Engineering Journal
Elsevier., 410(128197).
https://doi.org/10.1016/j.cej.2020.128197
Felischak M, Lothar K, Christof H, Nikolić D, Petkovska M, Seidel-Morgenstern A. Analysis and experimental demonstration of forced periodic operation of an adiabatic stirred tank reactor: Simultaneous modulation of inlet concentration and total flow-rate. in Chemical Engineering Journal. 2021;410(128197).
doi:10.1016/j.cej.2020.128197 .
Felischak, Matthias, Lothar, Kaps, Christof, Hamel, Nikolić, Daliborka, Petkovska, Menka, Seidel-Morgenstern, Andreas, "Analysis and experimental demonstration of forced periodic operation of an adiabatic stirred tank reactor: Simultaneous modulation of inlet concentration and total flow-rate" in Chemical Engineering Journal, 410, no. 128197 (2021),
https://doi.org/10.1016/j.cej.2020.128197 . .

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