8.4. Interaction of Particles with Liquid Bridges

Many industrial applications or natural systems involve mixtures of particles and liquids, as discussed in Chapter 6. Depending on the concentration and chemical compositions of the constituents, the liquid may be present as a mobile phase or an immobile adsorbed layer (Lian, 1994). The mobile liquid may be present in various states ranging from pendular, funicular or capillary liquid bridges to liquid drops, as the degree of saturation of the system increases (see Fig. 8.23). If only a small amount of liquid is present, a film of mobile liquid can be formed on the surface of a particle, leading to the formation of individual liquid bridges at the contact points between particles. This is referred ...

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