Free download Colloid Chemistry in Mineral Processing By J.S. Laskowski Volume 12

Volume 12

Authors of: Colloid Chemistry in Mineral Processing By J.S. Laskowski Volume 12

J S. Laskowski

J Ralston

Table of Contents in Colloid Chemistry in Mineral Processing By J.S. Laskowski Volume 12

Preface

Scope of the Volume

Relevance to Mineral Processing

About the Author

Acknowledgments

Part I: Fundamentals of Colloid Chemistry

Chapter 1: Introduction to Colloid Chemistry in Mineral Processing

1.1 What Are Colloids?

1.2 Importance of Colloidal Systems in Mineral Processing

1.3 Historical Context and Developments

1.4 Overview of Colloid-Stabilized Systems in Mining

Chapter 2: Surface Chemistry and Interfacial Phenomena

2.1 Solid-Liquid Interfaces in Mineral Systems

2.2 Electrical Double Layer Theory

2.3 Zeta Potential and Surface Charge Control

2.4 DLVO and Extended DLVO Theories

Chapter 3: Particle Size, Shape, and Surface Area

3.1 Characterisation of Fine Particles

3.2 Importance of Specific Surface Area

3.3 Size Distribution and Measurement Techniques

3.4 Influence on Flotation and Sedimentation

Chapter 4: Dispersion and Aggregation of Particles

4.1 Stability of Colloidal Suspensions

4.2 Flocculation Mechanisms

4.3 Role of pH, Ionic Strength, and Additives

4.4 Coagulation vs. Flocculation

Part II: Colloid Chemistry in Mineral Processing Applications

Chapter 5: Flotation Fundamentals and Colloidal Interactions

5.1 Froth Flotation: Mechanism and Chemistry

5.2 Role of Collectors, Frothers, and Depressants

5.3 Bubble-Particle Attachment Dynamics

5.4 Hydrophobicity and Contact Angle Concepts

5.5 Particle-Bubble Aggregate Stability

Chapter 6: Reagents in Colloid Chemistry

6.1 Surfactants and Their Functions

6.2 Polymers as Flocculants and Dispersants

6.3 Organic and Inorganic Additives

6.4 Reagent Adsorption Mechanisms

Chapter 7: Wetting Phenomena and Contact Angles

7.1 Wettability of Mineral Surfaces

7.2 Measurement of Contact Angles

7.3 Relevance to Froth Flotation and Dewatering

7.4 Surface Treatment for Selective Separation

Part III: Interfacial Phenomena in Mineral Systems

Chapter 8: Adsorption at Solid-Liquid Interfaces

8.1 Thermodynamics of Adsorption

8.2 Isotherms – Langmuir, Freundlich, BET

8.3 Competitive Adsorption

8.4 Role of Surface Functional Groups

Chapter 9: Electrokinetic Phenomena in Minerals

9.1 Streaming Potential and Electrophoresis

9.2 Surface Potential vs. Zeta Potential

9.3 pH-Dependent Surface Behavior

9.4 Implications for Separation Processes

Chapter 10: Emulsions and Foams in Mineral Processing

10.1 Nature and Stability of Foams

10.2 Froth Stability in Flotation Cells

10.3 Emulsion Formation by Collectors

10.4 Control Strategies in Froth Management

Part IV: Colloid Chemistry of Specific Mineral Systems

Chapter 11: Sulfide Minerals

11.1 Surface Oxidation and Passivation

11.2 Depression and Activation Mechanisms

11.3 Role of Xanthates and Other Collectors

11.4 Surface Studies Using Spectroscopy

Chapter 12: Oxide and Silicate Minerals

12.1 Challenges of Fine Particle Flotation

12.2 Surface Chemistry of Quartz, Hematite, Kaolinite

12.3 Selective Flocculation Approaches

12.4 Role of Dispersants and Complexing Agents

Chapter 13: Rare Earth and Complex Ores

13.1 Colloidal Behavior of Rare Earth Minerals

13.2 Monazite, Bastnaesite Surface Chemistry

13.3 Advanced Reagent Systems for Selectivity

13.4 Flotation Circuit Modifications

Part V: Analytical Techniques in Colloid and Surface Chemistry

Chapter 14: Experimental Tools for Colloid Characterization

14.1 Dynamic Light Scattering (DLS)

14.2 Atomic Force Microscopy (AFM)

14.3 Scanning and Transmission Electron Microscopy

14.4 BET Surface Area Measurements

Chapter 15: Zeta Potential and Electrokinetic Measurements

15.1 Instrumentation and Sample Preparation

15.2 Interpretation of Electrokinetic Data

15.3 Use in Process Optimization

15.4 Practical Limitations

Chapter 16: Spectroscopic and Micro-Analytical Techniques

16.1 FTIR and XPS in Surface Analysis

16.2 Raman Spectroscopy for Reagent Detection

16.3 X-ray Diffraction for Mineral Identification

16.4 Thermogravimetric and Calorimetric Methods

Part VI: Industrial Case Studies and Applications

Chapter 17: Colloid Chemistry in Industrial Flotation

17.1 Case Study: Copper Sulfide Flotation

17.2 Case Study: Iron Ore Slimes Flocculation

17.3 Case Study: Phosphate Rock Processing

17.4 Lessons from Industrial Plants

Chapter 18: Environmental and Waste Management Implications

18.1 Tailings Disposal and Stability

18.2 Water Reuse and Colloidal Control

18.3 Managing Colloid-Induced Turbidity

18.4 Sludge Dewatering and Reagent Recovery

Part VII: Future Trends and Challenges

Chapter 19: Nanoparticles in Mineral Processing

19.1 Engineered Nanoparticles as Reagents

19.2 Behavior in Aqueous Suspensions

19.3 Environmental Impact and Safety

Chapter 20: Green Chemistry and Sustainable Practices

20.1 Eco-Friendly Surfactants and Polymers

20.2 Minimizing Reagent Consumption

20.3 Energy Efficiency and Water Savings

20.4 Circular Economy Perspectives

Appendices

A. Glossary of Colloid Chemistry Terms

B. Common Units and Conversions

C. Summary Tables for Reagents and Functions

D. Key Equations and Models

E. Colloid Chemistry Literature Sources

Index

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