packed bed+ hetp

LIQUID PROPERTIES Enter Data

686

2.45E-04

1.39E-02

5.40E-03

5.28E-09

2.0

PACKING PROPERTIES

0.730

110

0.390

148

BED PROPERTIES

0.500

3.000

PUBLICATIONS[1] Ind. Eng. Chem. Res. , 40, 476-487 (2001) ABSORPTION / DESORPTION OPERATION (not applicable for distillation)[2] Chem. Eng. & Technol., 24(4), 373-380 (2001)

[3] Trans. IChemE., 79, 71-80 (2001)

[4] Can. J. Chem. Eng., 79, 584-594 (2001)

[5] Environ. Sci. Technol., 35, 4817-4822 (2001)

[6] Ind. Eng. Chem. Res., 41, 4911-4920 (2002)

[7] Sep. and Pur. Technol. (2003) FLOW REGIME

WARNINGS (I):

Flooding was detected; Calculations may not be valid

Flooding limit calculation invalid

Loading limit calculation invalid

Pressure drop calculation invalid

Density, rL (kg/m3)

Viscosity, mL (kg/m.s)

Surface tension, sL (N/m)

Marangoni factor, DsL/Dxvol (N/m)

Diffusion coefficient, DL (m2/s)

Mass flow rate, L (kg/m2s)

Bed porosity, e (-)

Bed spec. surface area, aT (m-1)

Packing sphericity, f (-)

Packing factor, Q (m-1)

Column diameter, DC (m)

Bed height, Z (m)

FLOODING CAPACITY [1] - GFL

LOADING CAPACITY [2] - GLd

LIQUID HOLD-UP [3] - hT

PRESSURE DROP [4] - DP/Z

MASS TRANSFER [5] - kLaw

- kGaw

- KLaw

- KGaw

Simulate with your own bed properties

kLa calculation invalid

kGa calculation invalid

KLa may not be valid

KGa may not be valid

GAS PROPERTIES Enter Data

3.283

7.80E-06

3.27E-06

2.000

Partition coefficient, m (-) 9.40E-01

OWN BED PROPERTIES

ABSORPTION / DESORPTION OPERATION (not applicable for distillation)

1.944

1.854

3.0% (%)

88.8 (Pa/m)

FLOW REGIME FLOODING

1.41E-01 (1/s)

9.77E+00 (1/s)

1.39E-01 (1/s)

1.47E-01 (1/s)

WARNINGS (I): WARNINGS (II):

Flooding was detected; Calculations may not be valid Interfacial area calculation invalid

Flooding limit calculation invalid kG calculation invalid

Loading limit calculation invalid kLa, kGa, KLa & KGa may not be valid

Pressure drop calculation invalid

Density, rG (kg/m3)

Viscosity, mG (kg/m.s)

Diffusion coefficient, DG (m2/s)

Mass flow rate, G (kg/m2s)

FLOODING CAPACITY [1] - GFL (kg/m2s)

LOADING CAPACITY [2] - GLd (kg/m2s)

LIQUID HOLD-UP [3] - hT INTERFACIAL AREA [6] - aw/aT

PRESSURE DROP [4] - DP/Z MASS TRANSFER [6] - kL

- kG

MASS TRANSFER [5] - kLaw - kLaw

- kGaw - kGaw

- KLaw - KLaw

- KGaw - KGaw

Contributors:Simon Piché, Stéphane Lévesque, Faïçal Larachi& Bernard GrandjeanDepartment of Chemical EngineeringLaval University Québec Canada G1K 7P4

http://www.gch.ulaval.ca/flarachihttp://www.gch.ulaval.ca/bgrandjean

Contact: [email protected] - Tel (418) 656-3566 Fax (418) 656-5993

The neural network correlations, implemented in this simulator, have been developped using NNFit software: http://www.gch.ulaval.ca/nnfit

Surface tension gradient (DsL) over the molar fraction of most volatile component (Dxvol) around xvol = 0.5(see Ref [7]) - DsL/Dxvol = 0 for aqueous solutions

Simulate with your own bed properties

kLa calculation invalid

kGa calculation invalid

KLa may not be valid

KGa may not be valid

ABSORPTION / DESORPTION OPERATION (not applicable for distillation) DISTILLATION OPERATION (near total reflux)(make sure that L more or less = G)

0.727 (-)

5.08E-04 (m/s)

5.06E-02 (m/s)

4.06E-02 (1/s)

4.04E+00 (1/s)

4.02E-02 (1/s)

4.28E-02 (1/s)

WARNINGS (II): WARNINGS (III):

Interfacial area calculation invalid kG calculation invalid

kG calculation invalid Mass transfer coefficients & HETP may not be valid

kLa, kGa, KLa & KGa may not be valid

INTERFACIAL AREA [7] - aw/aT

INTERFACIAL AREA [6] - aw/aT MASS TRANSFER [7] - kL

MASS TRANSFER [6] - kL - kG

- kG - kLaw

- kLaw - kGaw

- kGaw - KLaw

- KLaw - KGaw

- KGaw - HETP

Contributors:Simon Piché, Stéphane Lévesque, Faïçal Larachi& Bernard GrandjeanDepartment of Chemical EngineeringLaval University Québec Canada G1K 7P4

http://www.gch.ulaval.ca/flarachihttp://www.gch.ulaval.ca/bgrandjean

Contact: [email protected] - Tel (418) 656-3566 Fax (418) 656-5993

The neural network correlations, implemented in this simulator, have been developped using NNFit software: http://www.gch.ulaval.ca/nnfit

HETP

DISTILLATION OPERATION (near total reflux)(make sure that L more or less = G)

0.596 (-)

2.50E-04 (m/s)

1.30E-02 (m/s)

1.63E-02 (1/s)

8.54E-01 (1/s)

1.60E-02 (1/s)

1.70E-02 (1/s)

0.908 (m)

Mass transfer coefficients & HETP may not be valid

Validity ranges of Neural Net Correlations

FLOODING CAPACITY [1] VALIDITY RANGES O - Inferior to MIN

VARIABLES VALUES MIN MAX X - Superior to MAX

3.90E-01 4.50E-02 1.00E+00

2.75E+02 5.86E-02 3.73E+04

2.46E+08 5.71E-01 1.96E+08 X

6.70E-07 7.49E-07 2.78E-01 O

2.39E+01 3.21E+00 1.36E+03

1.41E+01 9.39E-03 1.58E+02

LIQUID HOLD-UP [3] VALIDITY RANGES O - Inferior to MIN


4.82E+00 1.05E-04 1.87E+03

9.32E-04 4.13E-05 1.23E+01

4.45E+02 1.16E-01 4.39E+03

1.10E-04 1.10E-06 1.99E-01

6.54E-04 4.52E-04 8.35E-02

2.97E-02 5.00E-03 5.22E-01

VALIDITY RANGES O - Inferior to MIN


7.42E+01 1.45E-01 6.64E+02

9.53E-05 2.32E-07 9.38E-02

4.00E+01 2.86E-01 1.82E+01 X

6.76E+01 1.51E+02 2.19E+05 O

5 - K 8.57E-01 5.00E-01 9.11E-01

1.45E+01 1.56E-02 7.55E+01

2.20E+03 2.31E+00 3.22E+03


1 - f 2 - ReL

3 - GaL

4 - StL

5 - SB

6 - c (Flood)

1 - FrG

2 - StG

3 - ReL

4 - FrL

5 - OhL

6 - hT

LIQUID FILM kLaw [5]

1 - ReL

2 - FrL

3 - EoL

4 - ScL

6 - c

7 - ShL

OVERALL LIQUID KLaw [5]


7.42E+01 3.71E-01 4.01E+02

9.53E-05 1.31E-06 8.09E-02

4.00E+01 2.61E-01 1.29E+01 X

6.76E+01 3.81E+02 1.66E+03 O

7.27E-01 6.51E-01 2.13E+00

5 - K 8.57E-01 2.28E-01 9.51E-01

1.45E+01 3.39E-02 1.45E+02

2.17E+03 1.20E+00 3.76E+03

1 - ReL

2 - FrL

3 - EoL

4 - ScL

4 - ScG

6 - c

7 - ShL

LOADING CAPACITY [2] VALIDITY RANGES O - Inferior to MIN


3.90E-01 6.70E-02 8.23E-01

2.75E+02 6.45E-02 5.97E+03

2.46E+08 5.71E-01 3.75E+07 X

6.70E-07 5.50E-07 1.52E-01

2.39E+01 1.77E+01 4.24E+04

1.34E+01 2.59E-02 1.58E+02

PRESSURE DROP [4] VALIDITY RANGES O - Inferior to MIN


3.78E+03 8.00E-01 4.18E+03

1.31E+06 1.20E+01 1.41E+06

7.42E+01 2.00E-02 1.12E+03

2.46E+08 1.90E+01 5.30E+07 X

1.28E-06 4.40E-07 7.45E-03

2.39E+01 8.00E+00 1.49E+03

1.45E+01 2.00E-02 3.15E+02

3.98E+00 2.54E+00 1.02E+04



7.42E+01 1.10E+00 1.85E+02

9.53E-05 1.02E-06 2.30E-02

4.00E+01 8.10E-01 1.60E+01 X

7.27E-01 2.48E-01 1.52E+00

5 - K 8.57E-01 3.34E-01 9.01E-01

1.45E+01 2.78E-01 7.63E+01

2.47E+02 4.44E-01 2.80E+01 X


1 - f 2 - ReL

3 - GaL

4 - StL

5 - SB

6 - c (Load)

1 - ReG

2 - GaG

3 - ReL

4 - GaL

5 - StL

6 - SB

7 - c

8 - fLGG

GAS FILM kGaw [5]

1 - ReL

2 - FrL

3 - EoL

4 - ScG

6 - c

7 - ShG

OVERALL GAS KGaw [5]


7.42E+01 7.72E-01 2.84E+02

9.53E-05 7.37E-07 1.59E-02

4.00E+01 4.95E-01 1.76E+01 X

7.27E-01 7.97E-02 1.57E+00

6.76E+01 3.87E+02 1.20E+03 O

5 - K 8.57E-01 3.35E-01 9.71E-01

1.45E+01 1.93E-01 7.81E+01

3.73E+00 3.79E-02 4.67E+01

1 - ReL

2 - FrL

3 - EoL

4 - ScG

4 - ScL

6 - c

7 - ShG

INTERFACIAL AREA [6] VALIDITY RANGES O - Inferior to MIN


7.42E+01 2.50E-01 2.80E+02

9.53E-05 7.54E-08 2.84E-02

4.00E+01 3.11E-01 1.93E+01 X

1.45E+01 1.93E-01 2.93E+01

5 - k 8.43E-01 3.89E-01 9.17E-01

7.27E-01 1.00E-03 2.00E+00



7.42E+01 1.45E-01 2.13E+03

9.53E-05 2.69E-06 4.17E+02

6.76E+01 2.48E-01 2.19E+05

1.45E+01 4.88E-02 7.63E+01

8.75E+02 2.18E+00 2.34E+03



2.33E+03 1.45E-01 2.13E+03 X

4.16E+00 2.69E-06 4.17E+02

7.27E-01 2.48E-01 2.19E+05

1.45E+01 4.88E-02 7.63E+01

1.41E+02 2.18E+00 2.34E+03

1 - ReL

2 - FrL

3 - EoL

4 - c

6 - aw/aT

LIQUID FILM kL [6]

1 - ReL

2 - FrL

3 - ScL

4 - c

5 - ShL

GAS FILM kG [6]

1 - ReG

2 - FrG

3 - ScG

4 - c

5 - ShG

INTERFACIAL AREA [7] VALIDITY RANGES O - Inferior to MIN


7.42E+01 2.57E-01 2.76E+02

9.53E-05 7.54E-08 2.84E-02

4.00E+01 3.12E-01 1.24E+02

4 - I 3.88E-01 -5.56E-01 9.75E-01

8.43E-01 2.64E-01 9.68E-01

1.45E+01 1.93E-01 8.35E+01

5.96E-01 1.96E-02 2.51E+00



7.42E+01 1.45E-01 2.13E+03

9.53E-05 2.69E-06 4.17E+02

6.76E+01 2.48E-01 2.19E+05

2.37E+01 4.88E-02 7.63E+01

4.30E+02 2.18E+00 6.31E+03



2.33E+03 1.45E-01 2.13E+03 X

4.16E+00 2.69E-06 4.17E+02

7.27E-01 2.48E-01 2.19E+05

1.45E+01 4.88E-02 7.63E+01

3.62E+01 2.18E+00 6.31E+03

1 - ReL

2 - FrL

3 - EoL

5 - k

6 - c

7 - aw/aT

LIQUID FILM kL [7]

1 - ReL

2 - FrL

3 - ScL

4 - c

5 - ShL

GAS FILM kG [7]

1 - ReG

2 - FrG

3 - ScG

4 - c

5 - ShG

packed bed+ hetp

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