CHEMCAD 6.2.0 Page 1
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
FLOWSHEET SUMMARY
Equipment Label Stream Numbers
1 MIXE 8 1 -2
2 CONT 2 -3
3 EREA 3 -4
4 SHOR 4 -5
5 SHOR 5 -8 -7
Stream Connections
Stream Equipment Stream Equipment Stream Equipment
From To From To From To
1 1 4 3 4 8 5 1
2 1 2 5 4 5
3 2 3 7 5
CHEMCAD 6.2.0 Page 2
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
Calculation mode : Sequential
Flash algorithm : Normal
Equipment Calculation Sequence
1 2 3 4 5
Equipment Recycle Sequence
1 2 3 4 5
Recycle Cut Streams
8
Recycle Convergence Method: Direct Substitution
Max. loop iterations 40
Recycle Convergence Tolerance
Flow rate 1.000E-003
Temperature 1.000E-003
Pressure 1.000E-003
Enthalpy 1.000E-003
Vapor frac. 1.000E-003
Recycle calculation has converged.
* Uop 1, Check mass balance.
* Uop 3, Check mass balance.
* Uop 4, Check mass balance.
CHEMCAD 6.2.0 Page 3
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
Overall Mass Balance kmol/h kg/h
Input Output Input Output
Acetylene 51.846 0.205 1349.958 5.328
Water 51.793 2.414 933.042 43.485
Acetaldehyde 0.000 189.985 0.000 8369.426
Total 103.638 192.604 2283.000 8418.239
CHEMCAD 6.2.0 Page 4
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
Overall Energy Balance MJ/h
Input Output
Feed Streams -3101.6
Product Streams -36897.7
Total Heating -9806.94
Total Cooling -16457.1
Power Added 0
Power Generated 0
Total -29365.7 -36897.7
CHEMCAD 6.2.0 Page 5
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
COMPONENTS
ID # Name Formula
1 65 Acetylene C2H2
2 62 Water H2O
3 128 Acetaldehyde C2H4O
THERMODYNAMICS
K-value model : UNIFAC
No correction for vapor fugacity
Enthalpy model : Latent Heat
Liquid density : Library
Std vapor rate reference temperature is 0 C.
Atmospheric pressure is 1.0132 bar.
UNIF Group Interaction Parameters:
Formula: Xij = Aij + Bij * T + Cij * T * T ( T in deg K)
Grpi Grpj Aij Aji Bij Bji Cij Cji
H2O CH2 300.00 1318.00 0.0000 0.0000 0.00000 0.00000
H2O CHO -116.00 480.80 0.0000 0.0000 0.00000 0.00000
CH2 CHO 677.00 505.70 0.0000 0.0000 0.00000 0.00000
* Component ID 65 does not have UNIFAC subgroups.
CHEMCAD 6.2.0 Page 6
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
EQUIPMENT SUMMARIES
Mixer Summary
Equip. No. 1
Name
Output Pressure bar 2.0000
Controller Summary
Equip. No. 2
Name
Mode 2
Stream No. adj. 1
Variable No. adj. -1
Unit of Min/Max 1
Rel Step Size 0.0050
Tolerance 0.0010
Iterations 20
Measured variables:
Independent Type 1 0
Independent ID 1 2
Independent Variable 1 -1
Independent Operator 4
Independent Type 2 0
Independent ID 2 2
Independent Variable 2 -2
Target Units 1
Target Constant 0.5000
Equilibrium Reactor Summary
Equip. No. 3
Name
Thermal mode 1
Pressure Drop bar 0.2000
Temperature C 1040.1476
No of Reactions 2
Reference Temp C 25.0000
Temp Units 1
Press Units 7
Heat of Rxn Units 3
Molar Flow Units 1
No. of Iterations 30
CHEMCAD 6.2.0 Page 7
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
EQUIPMENT SUMMARIES
Tolerance 0.0010
Calc IG Ht of Rxn -30266.6855
(MJ/h)
Serial rxn flag 1
Calc Liq H of Rxn -25136.5332
(MJ/h)
Reaction Stoichiometrics and Parameters for unit no. 3
Reaction no. 1 2
Base component 1 3
Frac.conversion 0.9500 0.0400
Comp 1 3
Stoic. coeff. -1.0000 -2.0000
Comp 2 4
Stoic. coeff. -1.0000 1.0000
Comp 3 2
Stoic. coeff. 1.0000 1.0000
Shortcut Distillation Summary
Equip. No. 4 5
Name
Mode 3 3
Light key component 3.0000 1.0000
Light key split 0.9900 0.9900
Heavy key component 4.0000 3.0000
Heavy key split 0.0100 0.0100
Condenser type 1 1
R/Rmin 1.0000 1.0000
Number of stages 86.3772 62.3828
Min. No. of stages 3.3667 2.1676
Feed stage 70.4507 17.9494
Condenser duty MJ/h -10836.1455 -5620.9888
Reboiler duty MJ/h -10551.2402 744.2963
Colm pressure bar 2.0000 1.0000
Reflux ratio, minimum 2.0690 8.7866
Calc. Reflux ratio 2.0690 8.7866
Colm pressure drop 0.2000 0.2000
(bar)
CHEMCAD 6.2.0 Page 8
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
STREAM PROPERTIES
Stream No. 1 2 3 4
Name
- - Overall - -
Molar flow kmol/h 103.6382 422.3827 422.3827 218.3436
Mass flow kg/h 2283.0000 9427.9670 9427.9670 9144.9121
Temp C 20.0000 14.7261 14.7261 1040.1475
Pres bar 4.0000 2.0000 2.0000 1.8000
Vapor mole fraction 0.4525 0.5037 0.5037 1.000
Enth MJ/h -3101.6 -7755.6 -7755.6 -8028.1
Tc C 157.0713 149.9888 149.9888 183.0408
Pc bar 41.1175 40.7281 40.7281 60.1739
Std. sp gr. wtr = 1 0.730 0.723 0.723 0.777
Std. sp gr. air = 1 0.761 0.771 0.771 1.446
Degree API 62.3789 64.2741 64.2741 50.5146
Average mol wt 22.0286 22.3209 22.3209 41.8831
Actual dens kg/m3 8.1727 3.7504 3.7504 0.6900
Actual vol m3/h 279.3461 2513.8385 2513.8385 13253.2735
Std liq m3/h 3.1281 13.0442 13.0442 11.7633
Std vap 0 C m3/h 2322.9097 9467.1359 9467.1359 4893.8772
- - Vapor only - -
Molar flow kmol/h 46.8943 212.7543 212.7543 218.3436
Mass flow kg/h 1219.0341 5551.2570 5551.2570 9144.9121
Average mol wt 25.9954 26.0923 26.0923 41.8831
Actual dens kg/m3 4.3838 2.2120 2.2120 0.6900
Actual vol m3/h 278.0769 2509.5631 2509.5631 13253.2735
Std liq m3/h 1.9794 8.9853 8.9853 11.7633
Std vap 0 C m3/h 1051.0716 4768.5999 4768.5999 4893.8772
Cp kJ/kg-K 1.6765 1.6589 1.6589 2.8293
Z factor 0.9733 0.9858 0.9858 1.0007
Visc n-s/m2 1.004e-005 9.848e-006 9.848e-006 3.318e-005
Th cond W/m-K 0.0212 0.0204 0.0204 0.1717
- - Liquid only - -
Molar flow kmol/h 56.7439 209.6284 209.6284
Mass flow kg/h 1063.9656 3876.7100 3876.7100
Average mol wt 18.7503 18.4932 18.4932
Actual dens kg/m3 838.3064 906.7293 906.7293
Actual vol m3/h 1.2692 4.2755 4.2755
Std liq m3/h 1.1487 4.0589 4.0589
Std vap 0 C m3/h 1271.8382 4698.5369 4698.5369
Cp kJ/kg-K 4.6632 4.3895 4.3895
Z factor 0.0042 0.0021 0.0021
Visc n-s/m2 0.0008217 0.001021 0.001021
Th cond W/m-K 0.3856 0.4614 0.4614
Surf. tens. N/m 0.0363 0.0506 0.0506
CHEMCAD 6.2.0 Page 9
Simulation: Midterm Kenzhegaliyeva E. N Date: 10/17/2012 Time: 06:10:18
STREAM PROPERTIES
Stream No. 5 7 8
Name
- - Overall - -
Molar flow kmol/h 214.7813 192.6038 22.1774
Mass flow kg/h 9030.2640 8418.2385 612.0215
Temp C 38.9700 24.8061 -30.3893
Pres bar 2.0000 1.2000 1.0000