Thermo and Aspen

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Thermo and Aspen

• Terry A. Ring

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Process Simulation Software

• Steady State Process Simulation
• AspenPlus
• ProMax
• ChemCad
• Hysis
• HySim
• ProSim
• CADSim
• OLI Process Simulator
• KemSimp
• Chemical Workbench Code
• Ascend IV

• Dynamic Process Simulation
• Aspen Dynamics
• CADSim
• Simulation Solutions, Inc.

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Aspen

• Process Simulation Software
• Does All Mass Balances
• Mole balances for reactions
• Does All Energy Balances
• Keeps Track of Thermo
• Phase Equilibrium
• Reaction Equilibrium

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Thermo Methods
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Which Thermo Package Do I use?

• See Property Prediction PowerPoint

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Problem 1

• Vapor Liquid Equilibria
• Ethanol water

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Problem 2

• Liquid-Liquid Equilibria
• Polar - polar

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Problem 3

• Liquid-Liquid Equilibria
• Polar - non-polar

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Lecture 1- Problem 4

• Multiple component phase equilibria
• Methane 0.1 mole fraction
• Ethane 0.2
• Propane- 0.3
• Butane- 0.3
• Methyl ethyl keytone -0.1
• 10 atm, 10C
• Use Ideal and Peng Robinson Thermo Pkg.
• Compare results

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Problem -5

• Use Gibbs Minimization reactor in Aspen to
  determine the products of reaction at 10 atm and
  200 C.

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