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Fines repulsive energy between

Some examples of suspension structures are illustrated in Figure 5. Figure 5a depicts a stable suspension with only short-range repulsive forces between the suspended fine particles. Hence, this system may settle as the particles move around each other into positions of lowest free energy, a consequence of the fact that the repulsive forces act between them. Figure 5b is a stable system for a more concentrated suspension. The... [Pg.123]

The most widely used theory of suspension stability, the DLVO theory, was developed in the 1940s by Derjaguin and landau (1941) in Russia and by Verwey and Overbeek (1948) in Holland. According to this theory, the stability of a suspension of fine particles depends upon the total energy of interaction, Vt, between the particles. Vf has two components, the repulsive, electrostatic potential energy, Vr, and the attractive force, Va, i. e. [Pg.241]

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