The 40% ethanol that is being distilled has a temperature of 25 deg Celsius at the start of distillation. If ethanol boils at 78.3 deg Celsius, determine the heat required in kJ/min to distill 4 liter/min of the mixture to produce pure ethanol. Properties Ethanol Water Density, kg/cu m Specific heat, kJ/kg deg C Heat of evaporation, kJ/kg 789 1000 2.46 846 846 2256

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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The 40% ethanol that is being distilled has a temperature of 25 deg Celsius at the
start of distillation. If ethanol boils at 78.3 deg Celsius, determine the heat required in
kJ/min to distill 4 liter/min of the mixture to produce pure ethanol.
Properties
Ethanol
Water
Density, kg/cu m
Specific heat, kJ/kg deg C
Heat of evaporation, kJ/kg
789
1000
2.46
846
846
2256
Transcribed Image Text:The 40% ethanol that is being distilled has a temperature of 25 deg Celsius at the start of distillation. If ethanol boils at 78.3 deg Celsius, determine the heat required in kJ/min to distill 4 liter/min of the mixture to produce pure ethanol. Properties Ethanol Water Density, kg/cu m Specific heat, kJ/kg deg C Heat of evaporation, kJ/kg 789 1000 2.46 846 846 2256
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