Separation Process Principles on COCO/ChemSep

based on  Henley, Seader, Roper: Separation Process Principles, Third edition, Wiley (2011).



EXAMPLE 4.1 Phase Conditions of a Process Stream.

A 100-kmol/h feed of ------ what are the liquid and vapor compositions?

[Solution]  sppex_4_1.xls    sppex_4_1.fsd

EXAMPLE 4.2 Bubble-Point Temperature.

The nC4-rich bottom product------estimate the mixture temperature


[Solution]     sppex_4_2.fsd

EXAMPLE 4.3 Bubble-Point Pressure.

---Calculate that pressure using the following composition, activity coefficients, and vapor pressures:


[Solution]    sppex_4_3.fsd

EXAMPLE 4.4 Distillation column operating pressure.

Propylene is separated from 1-butane by distillation into a vapor distillate containing 90mol% propylene. Calculate the column pressure if the partial condenser exit temperature is 100F----


[Solution]    sppex_4_4.fsd

EXAMPLE 4.5 Adiabatic Flash of the Feed to a Distillation Column.

-- Calculate the percent molar vaporization of the feed and compositions of the vapor and liquid if the pressure is decreased adiabatically from 485 to 165 psia ---

[Solution]     sppex_4_5.fsd

EXAMPLE 4.6 Single-Stage Extraction of Acetic Acid.

Methyl isobutyl ketone (C) is used as a solvent to remove acetic acid (B) from -- water (A)---estimate the kg/h of solvent for a single equilibrium stage.

[Solution]     sppex_4_6.sep

EXAMPLE 4.7 Single-Equilibrium Stage Extraction Using Diagrams.

Methyl isobutyl ketone (C) is used as a solvent to remove acetic acid (B) from -- water (A)---estimate the kg/h of solvent for a single equilibrium stage.


[Solution]   sppex_4_7.sep (ASOG)

EXAMPLE 4.8 Liquid-Liquid Equilibrium for a Four-Component Mixture.

Estimate the amounts of the phases in kg/h and the equilibrium phase compositions ---


[Solution]  sppex_4_8.sep  (Modified UNIFAC) 

EXAMPLE 4.13 Absorption of CO2 with Water.

The CO2 is vented at the top of the mountain --- calculate the amount of water --

[Solution]  sppex_4_13.fsd (EOS/Predictive SRK)

EXAMPLE 4.14 Equilibrium Diagram for Air-NH3-H2O at 20C and 1 atm.

-- If 10 mol of gas of Y=0.3 are contacted with 10 mol of solution of X=0.1, what are the compositions of the resulting phases? ----

[Solution]  sppex_4_14.fsd   (K-value: Polynomial K from The ChemSep Book p. 43)

EXAMPLE 5.2 Extraction with Different Cascade Arrangements.

-- A feed of a 25% solution of p-dioxane in water is to be separated with benzene. ---

[Solution] sppex_5_2.sep    (Modified UNIFAQ)

EXAMPLE 5.3 Absorption of Hydrocarbons by Oil.

-- the heavier components in a superheated hydrocarbon gas are to be removed by absorption with a high-molecular -weight oil.

[Solution]   sppex_5_3.fsd     (TEA/Pen Robinson)

Chapter 6, Industrial Example ( Acetone vapor absorption by water)

--30-trey absorber is to recover the acetone by contacting the gas with a suitable absorbent, water. --

[Solution]  sppex_6_0.fsd     (DECHEMA/Modified UNIFAC/Extended Antoine)

EXAMPLE 6.1 Recovery of Alcohol

A CO2-rich vapor with a small amount of ethyl alcohol is evolved. The alcohol is recovered by absorption with water in a sieve-tray tower. --

[Solution]  sppex_6_1.fsd      (EOS/Predictive SRK)

EXAMPLE 6.2 Stripping of VOCs from Wastewater

-- the stripping by air of volatile organic compounds (VOCs) from wastewater. ---

[Solution] sppex_6_2.fsd       (EOS/Predictive SRK)

EXAMPLE 6.3 Absorber Efficiency.

Performance data, given below for a trayed absorber --, were reported. -- Based on the these data, back-calculate the overall stage efficiency--

[Solution]   sppex_6_3.fsd       (TEA/Pen Robinson)