Design and Control of Integrated Styrene-Aniline Production Plant
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Octavian Partenie
This paper illustrates the operational difficulties arising from simultaneously performing exothermic and endothermic reactions, and demonstrates that a plant can be built and safely operated by integrating the design and plantwide control issues. The behaviour of reactor – separation – recycle systems carrying the coupled reactions A ?P + Q (endo) and B + Q ? R (exo) is investigated. Irrespective of the control structure, state multiplicity cannot be removed if the intermediate component Q is recycled. Therefore, the chemical reactor should be designed such that the recycle of Q can be avoided without economic penalty. The theoretical findings are applied to the design and control of a plant coupling ethylbenzene dehydrogenation and nitrobenzene hydrogenation for simultaneous production of styrene and aniline. After plant design, a rigorous dynamic model is developed using AspenDynamics. A plantwide control structure is implemented and shown to be able to achieve stable operation. Production rate changes of reasonable magnitude can be achieved by changing the reactor-inlet flow rates or bed-inlet temperature.
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Artikel in diesem Heft
- Article
- Editorial: Special Issue of 8th World Congress of Chemical Engineering (WCCE 8) Symposium on Process Design
- Reactive Dividing-Wall Columns - Defying Equilibrium Restrictions
- Fractal Scaling in Crude Oil Price Evolution via Time Series Analysis of Historical Data
- Effect of Sound Wave Irradiation on Methane Conversion in DC Pulse Discharge Plasma
- The Production of Polyhydroxyalkanoates Using an Oscillatory Baffled Bioreactor
- Simultaneous Coke Reduction with Improved Syngas Production during Propane Steam Reforming using Forced CO2 Cycling
- Kernel PCA Performance in Processes with Multiple Operation Modes
- A New Kinetic Model for 4-Chlorophenol Adsorption on Expanded Clay
- Uniformly Bounded Error Estimator for Bioprocess with Unstructured Cell Growth Models
- Mathematical Modeling of Drug Release from Spherical Drug Particles: Analysis of the Effect of Absorption Rate on Drug Release Rate
- Analysis on a Counter-Current Flow Hemodialyzer
- Mathematical Model of a Falling Film Reactor for Methyl Ester Sulfonation
- Oxidative Coupling of Propane with a Two-Layered Catalyst Bed Reactor
- Interval Based MINLP Superstructure Synthesis of Multi-Period Mass Exchanger Networks
- Modeling Fluid Separation Processes Using a Complementary Approach
- Compartmental Modeling of an Industrial Column
- Recrystallization of Caffeine Using Supercritical Carbon Dioxide as Antisolvent
- Flow Characteristics in an Airlift Membrane Bioreactor
- Design and Control of Integrated Styrene-Aniline Production Plant
