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--- Timezone: CET
Creation date: 2021-02-12
Creation time: 13-56-55
--- Number of references
3
article
Dreyschultze2015
Influence of zone formation on stability of continuous fluidized bed layering granulation with external product classification
Particuology
2015
23
1 - 7
Abstract Continuous fluidized bed layering granulation with external product classification and a sieve-mill cycle can show instability in the form of self-sustained nonlinear oscillations of the particle size distribution. In the present study, the stability and bifurcation analysis of this process is presented. The underlying process models explicitly account for compartmentalization of the fluidized bed into a granulation and a drying zone, which is an important feature of many technical processes. Implications for plant operations are discussed with the help of stability diagrams as a function of zone size, residence time within different zones, the addition of external seeds and particular properties of the sieve-mill cycle.
Fluidized bed, Granulation, Population balance, Stability, Bifurcation
A3
//www.sciencedirect.com/science/article/pii/S1674200115000863
1674-2001
http://dx.doi.org/10.1016/j.partic.2015.02.004
C.Dreyschultze
C.Neugebauer
S.Palis
A.Bück
E.Tsotsas
S.Heinrich
A.Kienle
article
Palis2015
Auto-tuning Control Systems for Improved Operation of Continuous Fluidized Bed Spray Granulation Processes with External Product Classification
Procedia Engineering
2015
102
133 - 141
Abstract In this contribution control of continuous fluidized bed spray granulation processes with external product classification is studied. From a practical point of view control schemes being easy to implement and maintain using standard process control systems are preferable. Hence, the focus will be on standard <prt>PI</prt> control structures. In order to account for variations and uncertainties in the process an additional tuning procedure should be included. Here, an optimization based online controller adaptation scheme called iterative feedback tuning (ITF) will be investigated.
New Paradigm of Particle Science and Technology Proceedings of The 7th World Congress on Particle Technology
fluidized bed spray granulation, control, auto-tuning;
A3
//www.sciencedirect.com/science/article/pii/S1877705815001162
1877-7058
http://dx.doi.org/10.1016/j.proeng.2015.01.115
StefanPalis
ChristianDreyschultze
ChristophNeugebauer
AchimKienle
inproceedings
Palis
A Methodology for Experimental Determination of Stability Boundaries with Application to Fluidized Bed Spray Granulation
33
625—630
A3
J.J. Klemes and P.S. Varbanov and P. Yen Liew
Computer Aided Chemical Engineering, Bd. 33,
SPalis
CDreyschultze
AKienle