Chemical Engineering Chapter 13 Oxide Carbon Dioxide Oxygen Nitrogen Water Stream

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CHEMCAD 5.6.0 Page 5

Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

EQUIPMENT SUMMARIES

Mixer Summary

Equip. No. 6 21 22

Name

Output Pressure bar 26.8000 90.0000

Valve Summary

Kinetic Reactor Summary

Equip. No. 9 15

Name

Reactor type 2 2

Reaction phase 1 1

Thermal mode 1 1

Pressure Drop bar 0.7500 0.7500

Reaction Stoichiometrics and Parameters for unit no. 9

Reaction 1

RateConst = 1.9600e+000 Act.E = 2.4000e+003 Hrxn = 0.0000e+000

Comp Stoich. Exp.factor AdsorbFac. AdsorbE AdsorbExp.

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Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

EQUIPMENT SUMMARIES

Reaction 2

RateConst = 9.3600e-002 Act.E = 6.4000e+003 Hrxn = 0.0000e+000

Comp Stoich. Exp.factor AdsorbFac. AdsorbE AdsorbExp.

Reaction 3

RateConst = 4.2768e-001 Act.E = 6.2000e+003 Hrxn = 0.0000e+000

Comp Stoich. Exp.factor AdsorbFac. AdsorbE AdsorbExp.

2 -1.00e+000 2.0000e+000 3.3000e-005 –2.1200e+004 2.0000e+000

Reaction 1

RateConst = 1.9600e+000 Act.E = 2.4000e+003 Hrxn = 0.0000e+000

Comp Stoich. Exp.factor AdsorbFac. AdsorbE AdsorbExp.

1 -1.00e+000 1.0000e+000 9.8000e-004 –1.1200e+004 1.0000e+000

Reaction 2

RateConst = 9.3600e-002 Act.E = 6.4000e+003 Hrxn = 0.0000e+000

Comp Stoich. Exp.factor AdsorbFac. AdsorbE AdsorbExp.

1 -1.00e+000 1.0000e+000 9.8000e-004 –1.1200e+004 1.0000e+000

Reaction 3

RateConst = 4.2768e-001 Act.E = 6.2000e+003 Hrxn = 0.0000e+000

Comp Stoich. Exp.factor AdsorbFac. AdsorbE AdsorbExp.

2 -1.00e+000 2.0000e+000 3.3000e-005 –2.1200e+004 2.0000e+000

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Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

Scds Rigorous Distillation Summary

Equip. No. 12 18 25

Name

No. of stages 5 5 25

1st feed stage 1 1 12

2nd feed stage 5 5 0

Est. reflux rate 240.0000

(kmol/h)

Est. T top C 25.0000 25.0000 92.0000

Est. T bottom C 25.0000 25.0000 182.0000

Top pressure bar 10.0000

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CHEMCAD 5.6.0 Page 8

Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

EQUIPMENT SUMMARIES

Column diameter m 4.8768 4.7244 5.4864

Tray space m 0.6096 0.6096 0.6096

Divider Summary

Equip. No. 19

Name

Component Separator Summary

Equip. No. 101

Name

Component No. 1 1.0000

Shortcut Distillation Summary

Equip. No. 200 201

Name

Mode 2 2

Light key component 2.0000 2.0000

Light key split 0.9990 0.9990

Heavy key component 6.0000 6.0000

(bar)

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CHEMCAD 5.6.0 Page 9

Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

FLOW SUMMARIES

Stream No. 1 2 3 4

Stream Name

Temp C 25.0000 25.0000 159.1927 45.0000

Pres bar 1.0132 50.0000 3.0000 2.7000

Stream No. 5 6 7 8

Stream Name

Temp C 206.1111 45.0000 195.2089 -6.2991

Pres bar 9.0000 8.7000 27.0000 27.0000

Enth MJ/h 92537. 9334.8 86539. 35030.

Stream No. 9 10 11 12

Stream Name

Temp C 26.3315 106.7495 240.0000 240.0000

Pres bar 27.0000 26.8000 26.5000 25.7500

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Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

FLOW SUMMARIES

Stream No. 13 14 15 16

Stream Name

Temp C 45.0000 63.7223 25.0000 30.2942

Pres bar 25.4500 30.0000 30.0000 30.0000

Stream No. 17 18 19 20

Stream Name

Temp C 51.9139 240.0000 239.9476 240.0000

Pres bar 30.0000 29.7000 26.5000 25.7500

Enth MJ/h -5.6901E+006 2.3639E+005 2.3639E+005 2.1021E+005

Stream No. 21 22 23 24

Stream Name

Temp C 45.0000 63.7760 25.0000 30.0814

Pres bar 25.4500 30.0000 30.0000 30.0000

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Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

FLOW SUMMARIES

Stream No. 25 26 27 28

Stream Name

Temp C 52.2611 30.0814 30.0814 29.4755

Pres bar 30.0000 30.0000 30.0000 27.0000

Stream No. 29 30 31 32

Stream Name

Temp C 52.0733 45.0000 45.0228 86.4025

Stream No. 33 90 91 92

Stream Name

Temp C 182.3000 45.0228 86.4069 182.3307

Pres bar 10.5000 10.0000 10.0000 10.5000

Enth MJ/h -1.0958E+007 -1.1408E+007 –25596. -1.0958E+007

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Job Name: ethylene oxide with recycle Date: 12/14/2008 Time: 14:37:10

FLOW SUMMARIES

Stream No. 93 94 95 101

Stream Name

Temp C 92.3400 86.3659 178.2449 45.0200

Pres bar 10.0000 10.0000 10.5000 20.0000

Stream No. 102 103

Stream Name

Temp C 45.0200 45.0200

Pres bar 20.0000 20.0000

Enth MJ/h -1.1408E+007 62.558

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CHEMCAD 5.6.0 Page 1

Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

FLOWSHEET SUMMARY

Equipment Label Stream Numbers

1 PUMP 3 -4

2 COMP 1 -5

14 VALV 14 -18

15 FLAS 21 -22 –23

16 FLAS 24 -25 –26

65 MIXE 12 64 –65

Stream Connections

Stream Equipment Stream Equipment Stream Equipment

From To From To From To

1 2 16 12 13 73 71

2 66 17 13 74 71

3 66 1 18 14 66 76 75

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CHEMCAD 5.6.0 Page 2

Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

Equipment Calculation Sequence

Recycle Cut Streams

3

Recycle Convergence Method: Direct Substitution

Max. loop iterations 40

Recycle Convergence Tolerance

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CHEMCAD 5.6.0 Page 3

Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

Overall Mass Balance kmol/h kg/h

Input Output Input Output

Methanol 256.662 109.329 8223.975 3503.127

COMPONENTS

ID # Name Formula

1 117 Methanol CH4O

THERMODYNAMICS

K-value model : ESDK

ESDK Parameters:

I J Kij Kji KijT KjiT

1 3 -0.15000 -0.15000 0.00000 0.00000

1 4 0.01550 0.01550 0.00000 0.00000

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Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

EQUIPMENT SUMMARIES

Pump Summary

Equip. No. 1 12

Name

Output pressure kPa 300.0000 350.0000

Mass flow rate kg/h 3120.1714 3897.0942

Compressor Summary

Equip. No. 2

Name

Pressure out kPa 300.0000

Type of Compressor 1

Heat Exchanger Summary

Equip. No. 3 4 8 9

Name

1st Stream dp kPa 35.0000 35.0000 35.0000 35.0000

1st Stream T Out C 150.0000 200.0000 200.0000 100.0000

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Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

EQUIPMENT SUMMARIES

Mixer Summary

Reactor Summary

Equip. No. 6 7

Name

Thermal mode 1 1

Temperature C 934.7972 923.0992

Scds Rigorous Distillation Summary

Equip. No. 10 75 102

Name

No. of stages 20 24 20

1st feed stage 1 14 1

2nd feed stage 20 0 20

Condenser mode 0 7 0

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Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

EQUIPMENT SUMMARIES

(kmol/h)

Calc Reflux ratio 37.4236

Calc Reflux mass kg/h 2876.5950 24629.4746 1302.0605

Shortcut Distillaton Summary

Equip. No. 11

Name

Mode 3

Light key component 1.0000

Light key split 0.9500

Heavy key component 4.0000

Heavy key split 0.0500

R/Rmin 1.3000

Shortcut Distillation # 11 Case Studies:

R/Rmin Reflux ratio No. of stgs Feed stg Qcond Qreb

MJ/h MJ/h

1.10 5.96 23.1 12.2 -5.866E+003 6.149E+003

1.20 6.51 19.9 10.6 -6.323E+003 6.606E+003

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CHEMCAD 5.6.0 Page 8

Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

EQUIPMENT SUMMARIES

Valve Summary

Flash Summary

Equip. No. 15 16 101

Name

Flash Mode 0 0 2

Param 1 50.0000

Equip. No. 67

Name

Component No. 2 1.0000

Towr Rigorous Distillation Summary

Equip. No. 71

Name

No. of stages 24

1st feed stage 14

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CHEMCAD 5.6.0 Page 9

Job Name: formalin_JAS_2008 Date: 12/14/2008 Time: 14:45:38

EQUIPMENT SUMMARIES

Calc rebr duty MJ/h 32654.2363

Est. Dist. rate 20.0000

(kmol/h)

Kinetic Reactor Summary

Equip. No. 99

Name

Reactor type 2

Reaction phase 1

Thermal mode 1