Abstract

A mathematical model based on the probability density function approach is presented for describing micromixing in chemical reactors. Here, macromixing is described as the motion of the chemical species in the physical space while micromixing is interpreted as motion in the abstract composition space of the components. In the special case of stirred-tank reactors, the model closed by using the quasi-Gaussian hypothesis, is analyzed by means of the moment-generating equations. Preliminary computational results are presented and compared with experimental ones of Takao et al. (1979) concerning an infinite rate reaction.

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