Drying 8 1 Mg of dry mass of a non-porous solid is dried under constant drying conditions in an air stream flowing at 0.

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Drying 8 1 Mg Of Dry Mass Of A Non Porous Solid Is Dried Under Constant Drying Conditions In An Air Stream Flowing At 0 1 (20.93 KiB) Viewed 16 times

Drying 8 1 Mg of dry mass of a non-porous solid is dried under constant drying conditions in an air stream flowing at 0.75 m/s. The area of surface drying is 55 m2. If the initial rate of drying is 0.3 g/m2s, how long will it take to dry the material from 0.15 to 0.025 kg water/kg dry solid? The critical moisture content of the material may be taken as 0.125 kg water/kg dry solid. If the air velocity were increased to 4.0 m/s, what would be the anticipated saving in time if the process were surface-evaporation controlled?