Process modeling examples 

 

  • An effective way to start a new simulation is by modifying an example

  • AQSim and OLI have a large selection of example cases that will help you get started
     

  • Browse our examples below, and click on one to download the .esp file
     

  • Let us know if you would like an example you do not see here
    - chances are good we have it

Sour gas absorber using methylethanolamine.  Units include amine absorber, regenerator, and flow controllers

Crude tower distillation overhead stream flowing through fans and coolers to accumulator, naphtha reflux returned to top tray

Simple BTEX (benzene, toluene, ethylbenze, xylene) stripper using air.  Absorber column unit only.

Claus process containing furnace, reactors and condensers.  

Cooling tower - single stage

Cooling tower using a singler-stage separator and air volume controller.  The case also includes a blowdown valve and makeup water flow controller. 

Cooling tower - multi-stage

Cooling tower using a 3-stage column and air volume controller.  The case also includes a blowdown valve and makeup water flow controller. 

MEK, EtOH, IPA stripper

Thirty-tray column converged for volatiles removal

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Combustion gas scrubber using limestone slurry.  Impurities include Hg, Se, and As.  Limestone inclues MgCO3 and FeS2

Glycol regeneration for hydrate inhibition.  Units include tower, vacuum crystallizer, and pH controllers

Sour water (H2S, CO2, NH3) stripper using steam reboiler and total condenser recirculation unit

Production from the reservoir to the surface facilities.  Calculation includes mineral saturation in the reservoir and glycol addition to flowline

Lithium recovery from Andean Salar

Multi-pond evaporation, pH adjustment, and Li recovery as Li2CO3

Caustic gas scrubber

Combustion gas scrubber using 10% caustic.  The case a blowdown stream recycled for strong acid quench water.

Methanol still

Fourteen-tray methanol distillation column

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Seawater evaporation to salt (NaCl) production. Three effects plus a crystallizer, counter-current steam included

Basic Autoclave procedure including charging steps with brine and gas at ambient conditions and pressure calculation at test temperature 

Softening produced water.  Units include reactor, clarifier, pH and total dissolved silica controllers

Multi-stage pond evaporation using a series of separator units and air.  

Benfield rocess

Sour gas absorber using K2CO3. Simulation includes regenerator and energy-transfer block

Nitric acid distillation

Nitric acid distillation column plus a dehydrator and air bleaching

TM0185 Autoclave - low P

Autoclave procedure including charging steps with brine, gas and Oil.  Gases include H2S and CO2.  Low pressure (3.2atm, no N2 added)

TM0185 Autoclave - high P

Autoclave procedure including charging steps with brine, gas and Oil.  Gases include H2S, CO2, and N2.  High Pressure (200 atm).

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