(Solved): QUESTION TWO - DRYING: 20 MARKS 2.1. CaCO_(3) filter cake in a tray is to be dried by cross-circulat ...

QUESTION TWO - DRYING: 20 MARKS 2.1.

filter cake in a tray is to be dried by cross-circulation from the top surface. Each tray is 0.082 foot high with an area of

and is filled with

of wet filter having a water content of

on the dry basis. The heating medium is air at

and

with a relative humidity of

. The velocity of air passing across or parallel the wet solid is 13.12

. Estimate time in hours needed to reach the experimentally determined, critical moisture content of

on dry basis. Neglect preheat period. (20)