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Sand is dried in foundries in a ______________________drier?

August 22, 2021February 17, 2019 by admin

Sand is dried in foundries in a ______________________drier?

A. Rotary
B. Fluidised bed
C. Vacuum
D. Spray

Categories Mass Transfer

Binary distillation involves the mass transfer by ______________________ at the gas-liquid interface?

Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are ?

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