Abstract
Consideration has been given to distinctive features of the influence of the chemical and phase composition of a dispersed phase, and also of external conditions on equilibrium size distributions of evaporating solution droplets containing a nonvolatile sparingly soluble component. Equilibrium radii of droplets containing a solid phase or a supersaturated solution have been described on the basis of Kelvin and Freundlich equations and Raoult’s law. Conditions have been shown under which the non-Ostwald behavior of the dispersed phase (mass transfer from large drops to small droplets) develops. Using the model distribution as an example, the possibility of the unimodal distribution transforming into a polymodal one has been demonstrated. A maximum separation of the fractions in the distribution is attained if the partial pressure of a volatile component exceeds the pressure of a vapor above a saturated solution.
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