Chemical Engineering > GATE 2013 > Crystallization
In the elutriation leg of a commercial crystallizer containing a mixture of coarse and very fine crystals of the same material, a liquid is pumped vertically upward. The liquid velocity is adjusted such that it is slightly lower than the terminal velocity of the coarse crystals only. Hence
A
the very fine and coarse crystals will both be carried upward by the liquid
B
the very fine and coarse crystals will both settle at the bottom of the tube
C
the very fine crystals will be carried upward and the coarse crystals will settle
D
the coarse crystals will be carried upward and the very fine crystals will settle

Correct : c

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crystallizer elutriation leg GATE Chemical Engineering 2013 liquid velocity crystallizer very fine crystals coarse crystals settling crystallizer operation elutriation crystallizer liquid velocity vs crystals

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