Abstract
We present a new approach to describe the equilibrium gas-particle partitioning of volatile and semi-volatile compositions in aqueous non-spherical nanoparticles. An evaporation model was derived from a theoretical analysis of composition, morphology, size, and continuous diffusion of aerosol particles. The mass transfer process from particle-phase into gas phase caused a change of phases. This model depicts the evaporation rate resulting from the change in the equilibrium state of the system in a thermal medium. The morphology dependence resulted in a noticeable change in particle mass concentration and size. The model was validated using Sodium Chloride particles coated with di-2-ethylhexyl-sebacate (DEHS). The model was evaluated using the results of direct measurement.
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