A model of a counter-current plugflowextraction reactor

A simple model of the counter flow reactor of idealextrusion for extraction processes is formulated. The disperse phase in the form of spherical dropsfloats up towards to the moving continuous phase. An analytical solution of the mathematicmodel was found in the steady approximation was obtained. It was found that concentration distributionsdepended on the velocity of the continuous phase movement. At small velocities of thecontinuous phase movement, the upper part of the reactor works; at large velocities, the lowerpart. It was found that, at a given extraction degree, the steady regimes were implemented not atall velocities of the continuous phase movement.

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