Computer-aided design of fluid mixing equipment : a guide and tool for practicing engineers /

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Penney, W. Roy
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Amsterdam : Elsevier, 2021.
Temas:
Mixing machinery > Computer-aided design.
Mixing > Equipment and supplies.
Malaxeurs et mélangeurs > Conception assistée par ordinateur.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Front cover
  • Half title
  • Title
  • Copyright
  • Contents
  • Chapter 1 Introduction
  • 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 IndustrialMixing Handbooks
  • YouTube Videos
  • Acknowledgements
  • REFERENCES
  • Chapter 2 Impeller fundamentals
  • Dimensionless Parameters
  • Flow and Shear
  • Torque per unit volume
  • Impeller Pumping Efficiency
  • Power-producing Flow and Power-producing Shear
  • Radial Flow Impellers
  • EXAMPLE PROBLEM 2.1. Viscous Syrup Bending with a Side Entering Agitator in a 30 kgal Tank
  • Problem Statement
  • Problem Solution
  • EXAMPLE PROBLEM 2.2. Viscous Syrup Blending with Propeller Pump in a 30 kgal Tank
  • REFERENCES
  • Chapter 3 Equipment selection
  • Introduction
  • "Economy of Scale" is Increasing the Size and Complexity of Agitators
  • A Historical Perspective
  • Seventy-Five Years Ago
  • Forty Years Ago
  • Twenty Years Ago (the mid-1990s)
  • Move Ahead to Today
  • Examples of Impeller Improvements from the 1970s to Today
  • Fundamentals for Effective Selection of Fluid Mixing Equipment
  • The Standard Geometry
  • Flow and Shear
  • 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
  • Impeller Power Requirements
  • Standard Impeller Speeds
  • Variable Frequency Drives
  • Power Correlations for Standard Impeller Geometries
  • Impeller Pumping Correlations
  • EXAMPLE PROBLEM 4.1. P, Q, tto, tb
  • 6BD in 3 m Fully Baffled Vessel.
  • "Economy of Scale" is Increasing the Size and Complexity of Agitators
  • 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
  • Introduction
  • Unbaffled Vessels
  • Rotating Liquid in a Cylinder (Solid Body Rotation of a Liquid in a Cylinder)
  • Comparison of Solid Body Rotation with an Earlier Correlation for Two-bladed Flat Paddles
  • Correlations for Vortex Depth for 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
  • Selection of Impeller, Baffling, and Geometry to Minimize to Have the Vortex Reach the Impeller
  • Power Decrease Due to Partial Baffling
  • Selection of Optimum Geometry to Maximize Vortex Depth at Minimum Impeller Power
  • REFERENCES
  • Chapter 6 Tank blending
  • Experimental Methods
  • Visual Determination
  • Colorimetric Methods and Image Processing
  • Transient Measurement of Salt Concentration after Injection of a Volume of Tracer Salt Solution
  • Transient Measurement of Temperatures after Starting an Impeller in a Temperature Stratified Tank
  • Correlation for Predicting Blending Uniformity
  • Blending in the Transition and Laminar Flow Regime (NRe, ≈≤ 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
  • Introduction
  • Selection and Design Considerations
  • Pressure Drop
  • Blending Considerations
  • Mixing Indices.
  • EXAMPLE PROBLEM 10.3. Dissolving Time Results for 3 mm Ice Cream Salt in a 1000 gal Vessel
  • REFERENCES
  • Chapter 11 Gas-liquid dispersions
  • Introduction
  • Impeller Selection
  • Industrial Importance of Gas-Liquid Mixing
  • What Will be Considered Here?
  • Back to the Fundamentals of Gas Dispersion in Agitated Vessels
  • Ungassed Power Requirement
  • Gassed Power Requirement
  • Impeller Flooding
  • Gas Holdup
  • Mass Transfer Coefficient
  • Gas Dispersion from the Vessel Headspace
  • EXAMPLE PROBLEM 11.1. Check of one experimental data point from Saravanan and Joshi [12] to verify (1) the units of Qg are L/s and (2) the accuracy of the correlation
  • EXAMPLE PROBLEM 11.2. Oxygenate Johnson Creek at the Johnson Mill, Fayetteville, AR
  • EXAMPLE PROBLEM 11.3. Batch Stripping of Oxygen from a Water Batch using Sparged Nitrogen
  • REFERENCES
  • References of General Reviews
  • Chapter 12 Liquid-liquid dispersions
  • Introduction
  • Literature Survey
  • Impeller Selection
  • What is Needed to Design/Evaluate Agitators for L/L Dispersions
  • Design Methods
  • Which Phase is Dispersed?
  • EXAMPLE PROBLEM 12.1. Suspension of 50% Sulfuric Acid in Benzene
  • Correlations for Predicting Drop Size
  • Equilibrium Drop Size
  • Transient Drop Size Variation
  • Mass Transfer
  • 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
  • Final Comments Regarding L/L Dispersion in Agitated Vessels
  • REFERENCES
  • Chapter 13 Compartmented agitated columns
  • Introduction
  • Design Methods Included in This Chapter
  • Vendors
  • Explanation of Mechanical Details
  • Design Methods
  • Interstage Backmixing with Zero Forward Flow
  • Entrainment
  • Reactor Model Development.
  • EXAMPLE PROBLEM 13.1. Saponification of Ethylchloroacetate in a 10 Stage, Agitated, Compartmented Column
  • Input (Feed) Variables for the Chemical Reactor (See Attached Excel Program, Sheet 4)
  • Output (Effluent) Variables for the Chemical Reactor (SEE attached Excel Program, Sheet 4)
  • Geometry-related Parameters (Input and Calculated)
  • Flow-related Parameters
  • Agitation Parameters
  • Reaction Parameters
  • Historical Footnote
  • REFERENCES
  • Chapter 14 Fast competitive/consecutive (C/C) chemical reactions
  • Introduction
  • Where Do We Start? Two Examples of Feed Blending Problems
  • Step-By-Step Guide for Education About Handling C/C Reactions
  • Literature Review
  • Kinetics of C/C Fast Reactions
  • Review of the Literature Pertinent to Scale up
  • Scale up of Pipeline Mixers Used for Fast C/C Fast Reactions
  • Simple Guidelines
  • Final Thoughts and Recommendations
  • REFERENCES
  • BOOKS AND REVIEW PAPERS
  • KINETICS OF C/C FAST REACTIONS
  • SCALE UP OF C/C FAST CHEMICAL REACTIONS
  • Chapter 15 Scale up
  • Introduction
  • Scale up of Process Results in Agitated Vessels
  • Scale-up Analysis Using Geometrical Similarity
  • 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 0.4mDiameter 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.

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