Distillation of Ethyl Alcohol Alexander Saputa ENCH 435 September 23, 2008

Distillation of Ethyl Alcohol

Alexander SaputaENCH 435

September 23, 2008

Contents

Distillation column diagrams Column contents Column operating parameters Observations Conclusions Summary

Distillation column block diagram

Block diagram of column

Distillation Column Diagram1

Column contents

Reboiler filled with Ethyl Alcohol Ethanol: % Methanol: % Water: %

Tray contain water from previous experiments

Plan: Burn of methanol and excess water Result: Azeotrope of Ethanol and Water

Column Operating Parameters:Reboiler Power Supply - Day 1

0

500

1000

1500

2000

2500

3000

3500

0 10 20 30 40 50 60

Time (min)

Po

we

r (W

)

3000W

1500W

Column Operating Parameters:Column Temperatures - Day 1

15

25

35

45

55

65

75

85

0 10 20 30 40 50 60

Time (min)

Te

mp

era

ture

(C

)

Tray 1 T

Tray 2 T

Tray 3 T

Tray 4 T

Tray 5 T

Tray 6 T

Tray 7 T

Tray 8 T

Tray 9 T

Tray 10 T

Tray 11 T

Tray 12 T

Feed Heater T

Reboiler T

Reflux T

Feed T

CWS T

CWR T

Column Operating Parameters:Column Temperatures - Day 1

70

71

72

73

74

75

76

77

78

79

80

12 13 14 15 16 17 18

Time (min)

Tem

per

atu

re (

C)

Tray 1 T

Tray 2 T

Tray 3 T

Tray 4 T

Tray 5 T

Tray 6 T

Tray 7 T

Tray 8 T

Tray 9 T

Tray 10 T

Tray 11 T

Tray 12 T

Reboiler T

Feed T

Temperature Calibrations

Column Operating Parameters:Reboiler Power Supply - Day 2

0

500

1000

1500

2000

2500

3000

3500

0 20 40 60 80 100 120

Time (min)

Po

we

r (W

)

3000W

1500W1400W

1300W

Column Operating Parameters:Column Temperatures - Day 2

15

25

35

45

55

65

75

0 20 40 60 80 100 120

Time (min)

Tem

per

atu

re (

C)

Tray 1 T

Tray 2 T

Tray 3 T

Tray 4 T

Tray 5 T

Tray 6 T

Tray 7 T

Tray 8 T

Tray 9 T

Tray 10 T

Tray 11 T

Tray 12 T

Feed Heater T

Reboiler T

Reflux T

Feed T

CWS T

CWR T

Column Operating Parameters:Column Temperatures - Day 2

65

67

69

71

73

75

77

79

10 12 14 16 18 20

Time (min)

Te

mp

era

ture

(C

)

Tray 1 T

Tray 2 T

Tray 3 T

Tray 4 T

Tray 5 T

Tray 6 T

Tray 7 T

Tray 8 T

Tray 9 T

Tray 10 T

Tray 11 T

Tray 12 T

Feed Heater T

Reboiler T

Reflux T

Feed T

CWS T

CWR T

Observations

Observations

Conclusions

Summary