A Novel Method for Evaluation of DLVO Interaction between a Particle and a Planar Surface

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Table of Contents

A Novel Method for Evaluation of DLVO Interaction between a Particle and a Planar Surface

Outline

Components of DLVO Interaction

Derjaguin’s Approximation (DA)

Surface Element Integration (SEI)

Interaction of a Particle with a Flat Plate

Projection of a Surface Element

Physical Basis of SEI

Relation between Force and Interaction Energy

Geometrical Considerations for Sphere - Flat Plate Interaction

Orientation of Spherical Surfaces

Interaction Energy between a Sphere and an Infinite Flat Plate

van der Waals Interaction

Comparison of van der Waals Interaction Predicted by Different Techniques

Electrostatic Double Layer Interaction

Flat Plate Energy Expressions used in SEI

The Finite Element Scheme

The Double Layer Force

Comparison of SEI and Finite Element Results

Comparison of SEI and DA

Concluding Remarks

 Corresponding Author: Menachem Elimelech

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Bhattacharjee, S., and Elimelech, M., "Surface Element Integration: A Novel Technique for Evaluation of DLVO Interaction between a Particle and an Infinite Flat Plate", Journal of Colloid and Interface Science, Volume 193, October 1997, pages 273-285.