Fresh orange juice contains 12.0 wt% solids in water, fed to the evaporator to concentrate the orange juice to the desired concentration. The feed juice stream (before entering the evaporator) split into two streams, the first enters the evaporator and the second split as bypassed to adjust the desired final concentration after the evaporator. A single evaporation unit was used. Water vapor stream leave the evaporator to concentrated the orange juice. The juice left the evaporator concentrated to 58 wt% solids and the outlet the stream then mixed with the bypassed fresh juice to achieve the desired final concentration of 42.0 wt% solids. Calculate; (1) The amount of concentrated orange juice (with 42% concentrate) produced per 100 kg fresh juice feed to the process and (2) The fraction of the feed that bypasses the evaporator. Draw and label the flowchart.

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Convective Mass Transfer between Phases

Mass transfer means the transport or movement of mass using streams, phases, components, and so on from one location to another.