Question

Acetone is used in the manufacture of many chemicals and also as a solvent. In its latter role, many restrictions are place on the release of acetone vapor to the environment. You are asked to design an acetone recovery system having the flowsheet illustrated in figure. As a starting point, make a material balance for the system. All the concentrations shown in figure of bth gases and liquids are specified in weight percent to make the calculation simpler.

Air
Condenser
Distilote
Air 0.995
WAWoter 0.005
Water (100%)
Acetone 0.99
Water 0.01
1.00
1.00
Adsorber
Column
Distillation
Column
8
2
Bottom
Acetone 0.04
Water 0.96
1.00
400 kg/hr
Acefone 0.19
Wafer 0.81
1.00
Entering Gos
Air 0.95
Acetone 0.03
Water 0.02
1.00
Expand
Transcribed Image Text

Air Condenser Distilote Air 0.995 WAWoter 0.005 Water (100%) Acetone 0.99 Water 0.01 1.00 1.00 Adsorber Column Distillation Column 8 2 Bottom Acetone 0.04 Water 0.96 1.00 400 kg/hr Acefone 0.19 Wafer 0.81 1.00 Entering Gos Air 0.95 Acetone 0.03 Water 0.02 1.00

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