Features:

• Elucidates the dynamics of particles and bubbles in flotation, particle–bubble encounter interaction, and particle–bubble attachment interaction

• Discusses the stability of particle–bubble aggregates in view of force and energy analysis

• Features whole sections on flotation froth, flotation kinetics, and industrial applications such as wastewater treatment

Contents

Introduction

• Flotation and the Flotation Process
• Colloidal Aspects of Flotation

Dynamics of particles and Bubbles in Flotation

• Hydrodynamics
• Particle Settling Velocity
• Bubble Rise Velocity
• Water Velocity around Air Bubbles
• Motion of Particles in Flotation
• Bubble-Particle Interaction

Bubble-Particle Encounter Interaction

• Determination of Encounter Efficiency
• Motion of Particles Diverted by Bubbles
• Theory of Encounter Efficiency
• Experimental Investigations of Encounter Interaction

Bubble-Particle Attachment Interaction

• Contact Time Theories
• Properties of the Intervening Liquid Films
• van der Waals Forces
• Electrostatic Double-Layer Forces
• Non-DLVO Surface Forces
• Thinning of Intervening Liquid Films
• Rupture of the Intervening Liquid Thinning Film
• Experimental Studies of Thinning Liquid Films
• Three-Phase Contact Expansion
• Modeling of Attachment Efficiency

Stability of Bubble-Particle Aggregates

• Force Analysis of Particle-Meniscus Stability
• Force Analysis of Bubble-Particle Stability
• Energy Analysis of Bubble-Particle Stability
• Strength of Bubble-Particle Aggregates

Flotation Froth

• Froth Structure
• Froth Drainage
• Macroscopic Processes in Froth

Flotation Kinetics

• Kinetic Models for Flotation
• Effects of Particle Size in Flotation

Industrial Applications

Index

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