Computer-Aided Design of Fluid Mixing Equipment: A Guide and Tool for Practicing Engineers

Cover Image
Title Page
Copyright
Table of Contents
Chapter 1 Introduction
Abstract
Contents
Best Use of Methods Offered Here
Other Resources – Consultants, Vendors, Couses and Videos
Training Resources Available for Fluid Mixing Technology
Appendix 1.1: Fluid mixing courses
Appendix 1.2: Videos – YouTube and Industrial Mixing Handbooks
YouTube Videos
Acknowledgements
References
Chapter 2 Impeller fundamentals
Abstract
Contents
Nomenclature
Dimensionless Parameters
Flow and Shear
Power-producing Flow and Power-producing Shear
Example Problem 2.1. Viscous Syrup Bending with a Side Entering Agitator in a 30 kgal Tank
Example Problem 2.2. Viscous Syrup Blending with Propeller Pump in a 30 kgal Tank
References
Chapter 3 Equipment selection
Abstract
Contents
Nomenclature
Introduction
“Economy of Scale” is Increasing the Size and Complexity of Agitators
A Historical Perspective
Example Problem 3.1. Making Lye Soap in the Laboratory and in 55 gal (200 L) Drums
Example Problem 3.2. Selecting a Commercially Available Agitator
Example Problem 3.3. Impeller Selection/Power Requirements
Agitator Vendors: Websites and Videos
References
Chapter 4 Impeller power and pumping
Abstract
Contents
Nomenclature
Impeller Power Requirements
Impeller Pumping Correlations
Example Problem 4.1. P, Q, 6BD in 3 m Fully Baffled Vessel
Example Problem 4.2. Rework of Example 4.1 with μ increased so Re = 100
Example Problem 4.3. Pumping Rate: HE-3 Impeller Compared to the Performance of the 6BD of Example 4.2
Example Problem 4.4. HE-3 Impeller Compared to the Performance of the 6BD of Example 4.3 at the Same N
References
Chapter 5 Vortex depth
Abstract
Contents
Nomenclature
Introduction
Unbaffled Vessels
Anchor Impeller in Unbaffled Vessel
Example Problem 5.1. Vortex Depth in an Unbaffled Vessel with an Anchor Agitator
Partially Baffled Vessels
Example Problem 5.2. Prediction of the Vortex Depth for the Experimental Conditions Utilized for the Data Presented in Fig. 5.3
Power Decrease Due to Partial Baffling
Selection of Optimum Geometry to Maximize Vortex Depth at Minimum Impeller Power
References
Chapter 6 Tank blending
Abstract
Contents
Nomenclature
Experimental Methods
Correlation for Predicting Blending Uniformity
Blending in the Transition and Laminar Flow Regime ≈≤ 100)
Blend Time for Multiple Impellers
EXAMPLE 6.1. BATCH BLENDING WITH AN HE-3 IMPELLER
Example Problem 6.2. BLENDING WITH A HELICAL RIBBON IMPELLER
References
Chapter 7 Pipeline mixing
Abstract
Contents
Nomenclature
Introduction
Example Problem 7.1. Solute/Solvent Dispersion--Example Problem 7-3 [3, p. 452-454]
Example Problem 7.2. COV for a Square Duct
Example Problem 7.3. COV for a Kenics HEM Static Mixer
Example Problem 7.4. Mixing Air and Ammonia Feeding a Nitric Acid Plant
References
Chapter 8 Heat transfer
Abstract
Contents
Nomenclature
About this Chapter
Introduction
Options for Heat Transfer Surfaces
Example Problem 8.1. Overall Coefficient and Heat-up Time for a Water Batch
Example Problem 8.2. Overall Coefficient and Heat-up Time for a Water Batch/Coil
Example Problem 8.3. Helical Ribbon h and Heat-up Time for a Viscous Batch
Example ProblemS 8.4a–8.4d
References
Chapter 9 Solids suspension
Abstract
Contents
Nomenclature
Introduction
Homework Problem 9.2: Solve Example Problem 10-3.4.3 from Brown et al. [3, p. 383]
Homework Problem 9.3: Check the Experimental Results of Chowdhury's [2, p. 171] Run No. 258
References
Chapter 10 Dissolving solids
Abstract
Contents
Nomenclature
Introduction
Just Suspended Speed
Correlation for Particle Mass Transfer Coefficient
Predictive Methods for Determining Particle Dissolving Time
Example Problem 10.1. Checking the Kulov Experimental Data for τ with the Design Method
Example Problem 10.2. Check one Experimental Data Point of Nienow and Miles [7]
Example Problem 10.3. Dissolving Morton Ice Cream Salt in a 1000 gal Vessel
References
Chapter 11 Gas–liquid dispersions
Abstract
Contents
Nomenclature
Introduction
Back to the Fundamentals of Gas Dispersion in Agitated Vessels
Example Problem 11.1: Check of one experimental data point from Saravanan and Joshi [12] to verify (1) the units of are L/s and (2) the accuracy of the correlation
Example Problem 11.2: Oxygenate Johnson Creek at the Johnson Mill, Fayetteville, AR
Results
Example Problem 11.3: Use of a Dual-Impeller System for Batch Stripping
References
Chapter 12 Liquid–liquid dispersions
Abstract
Contents
Nomenclature
Introduction
Design Methods
Example Problem 12.1: Suspension of 50% Sulfuric Acid in Benzene
Equilibrium Drop Size
Example Problem 12.2. Data Reduction for Dahhan's [22] Data – Run Number 5
Example Problem. 12.3. Agitated Vessel to Saturate Water with Chlorobenzene
Consideration of the Dispersed Phase Resistance
References
Chapter 13 Compartmented agitated columns
Abstract
Contents
Reactor Design Nomenclature
Introduction
Design Methods Included in This Chapter
Vendors
Design Methods
Entrainment
Example Problem 13.1
Historical Footnote
References
Chapter 14 Fast competitive/consecutive (C/C) chemical reactions
Abstract
Contents
Nomenclature
Introduction
Literature Review
Kinetics of C/C Fast Reactions
Scale up of Pipeline Mixers Used for Fast C/C Fast Reactions
Final Thoughts and Recommendations
References
Chapter 15 Scale up
Abstract
Contents
Nomenclature
Introduction
Example Problem 15.1. Making Wallpaper Paste in 4 L and 200 L Vessels
Example Problem 15.2. Scale down of Example Problem 11.2—Aeration of Johnson Creek
EXAMPLE 15.3. Heat Transfer in Pigment Binder Reactors
Example Problem 15.4. Scale up of the Pigment Binder Reaction to Handle Feed Blending
Example Problem 15.5. Scale up of the APG Reactor from 1 L to 40,000 L
Example Problem 15.6. Scale Down of a 0.4 m Diameter L–L Static Mixer Required to Satisfy the Requirements of Example 2 from Streiff et al. [17]
Original Problem Statement
Example Problem 15.7. Scale up of the Third Bourne Reaction in a Semibatch Agitated Reactor
Example Problem 15.8. Scale up of a Static Mixer Reactor for the Fourth Bourne Reaction from 1/8′′ to 1′′ diameter
References
Appendix Table-top fluid mixing experiments for the laboratory or classroom
Index