Computer-aided design of fluid mixing equipment : a guide and tool for practicing engineers /
Clasificación: | Libro Electrónico |
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Autor principal: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Amsterdam :
Elsevier,
2021.
|
Temas: | |
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, Hd 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.