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Bücher | März 2012 | Industrial Crystallization Process Monitoring and Control
 

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Chianese, Angelo / Kramer, Herman J. (Hrsg.)
Industrial Crystallization Process Monitoring and Control

1. Auflage März 2012
139,- Euro
2012. XXII, 230 Seiten, Hardcover
119 Abb., 10 Tab. 
- Handbuch/Nachschlagewerk -
ISBN 978-3-527-33173-4 - Wiley-VCH, Weinheim

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Kurzbeschreibung
The book presents the essentials of in-situ monitoring and control of industrial crystallization process, essential to achieving the desired end product in a sustainable manner.

Aus dem Inhalt
PREFACE

CHARACTERIZATION OF CRYSTAL SIZE DISTRIBUTION
Introduction
Particle Size Distribution
Particle Size Distribution Moments
Particle Size Distribution Characterization on the Basis of Mass Distribution

FORWARD LIGHT SCATTERING
Introduction
Principles of Laser Diffraction
Scatter Theory
Deconvolution
The Effects of Shape
Multiple Scattering
Application of Laser Diffraction for Monitoring and Control of Industrial Crystallization Processes
Conclusions

FOCUSED BEAM REFLECTANCE MEASUREMENT
Measurement Principle
Application Examples
Advantages and Limitations

TURBIDIMETRY FOR THE ESTIMATION OF CRYSTAL AVERAGE SIZE
Introduction
Determination of Average Particle Size from Specific Turbidity
Procedure to Evaluate Average Crystal Size by Turbidimetry for a High Solid Slurry Concentration
Conclusion

IMAGING
Introduction
Literature Overview
The Sensor Design
Application of In Situ Imaging for Monitoring Crystallization Processes
Conclusions

TURBIDIMETRY AND NEPHELOMETRY
Introduction
Measurement of Nucleation and Solubility Points
The Developed Turbidimetric and Nephelometric Instruments
The Examined Systems
Obtained Results

SPEED OF SOUND
Introduction
In-Process Ultrasound Measurement
Determining Solubility and Metastable Zone Width
Measuring Crystal Growth Rates
Detecting Phase Transitions with Ultrasound

IN-LINE PROCESS REFRACTOMETER FOR CONCENTRATION MEASUREMENT IN SUGAR CRYSTALLIZERS
Introduction
Measurement Principle
In-Line Instrument Features and Benefits
Features and Benefits
Example of Application in the Crystallization
Conclusion

ATR-FTIR SPECTROSCOPY
Introduction
Calibration
Speciation Monitoring
Co-Crystal Formation
Solubility Measurement
Crystal Growth Rates
Polymorph Transformation
Crystallization Monitoring and Control
Impurity Monitoring
Conclusions

RAMAN SPECTROSCOPY
Introduction
Factors Influencing the Raman Spectrum
Calibration
Applications
Conclusions

BASIC RECIPE CONTROL
Introduction
Incentives for Basic Recipe Control
Main Mechanisms, Sensors, and Actuators
Basic Recipe Control Strategy
Seeding as a Process Actuator
Rate of Supersaturation Generation
Mixing and Suspension of Solids
Fines Removal and Dissolution
Implementation of Basic Recipe Control
Conclusions

SEEDING TECHNIQUE IN BATCH CRYSTALLIZATION
Introduction
Seeding Operation: Main Principles and Phenomena
Use of Seeding for Batch Crystallization: Main Process Parameters
Control of Batch Crystallization by Seeding: Empirical Rules for Design

ADVANCED RECIPE CONTROL
Introduction
Incentives and Strategy of the Advanced Recipe Control
Modeling for Optimization, Prediction, and Control
Model Validation
Rate of Supersaturation Generation
Mixing Conditions
Implementation
Example of Modeling, Optimization, and Open-Loop Control of a 75-l Draft-Tube Crystallizer
Conclusions

ADVANCED MODEL-BASED RECIPE CONTROL
Introduction
Online Dynamic Optimization
MPC for Batch Crystallization
Conclusions and Perspectives

FINES REMOVAL
Introduction
Fines Removal by Heat Dissolution
Modeling of an MSMPR Continuous Crystallizer with Fines Removal
Fines Destruction in the Industrial Practice
CSD Control by Fines Removal for Pilot Scale Crystallizers
The Cycling Phenomenon as Undesired Effect of Fines Destruction in Industrial Crystallizers

MODEL PREDICTIVE CONTROL
Introduction
Approach for Designing and Implementing an MPC Control System
Process Modeling
The Performance Index
Constraints
The MPC Optimization
Tuning
State Estimation
Implementation
MPC of Crystallization Processes
Delta-Mode MPC
Conclusions and Perspectives

INDUSTRIAL CRYSTALLIZERS DESIGN AND CONTROL
Introduction
Forced Circulation Crystallizer
Draft-Tube-Baffle Crystallizer
Process Variables in Crystallizer Operation
Sensors
Control Devices


 





 

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