Modeling of Processes with Aqueous Ionic Solutions - Electrolytes and Salts

Learn how to set up simulations for electrolyte systems in Aspen Plus. Learn how to use electrolyte properties by gaining a better understanding of the Aspen Plus electrolyte physical properties system. Address special issues when modeling processes with electrolytes.

Audience:

Individuals who want to strengthen aqueous ionic modeling skills by learning how to use the ionic physical property features of Aspen Plus and Aspen Properties

Training Details

  • Course Id:

    EAP2980

  • Duration:

    2 day(s)

  • CEUs Awarded:

    1.4

  • Level:

    Intermediate

Benefits

  • Explore ionic chemistry setup with trend analysis for pH, density, viscosity and enthalpy at different temperature, pressure and at different ionic strength
  • Review the electrolyte property methods framework and study the property parameters used for modeling ionic simulation
  • Learn estimating and regressing physical property parameters for ionic systems
  • Model processes such as gas sweetening and pH/neutralization in liquid-liquid equilibrium

Approach

  • Instruction on basic topics
  • Demonstrations of general features
  • Instructor-guided exercises
  • Hands-on workshops that apply learned concepts
  • Example problems
  • Detailed course notes

Pre-requisites

Some prior experience in modeling using Aspen Plus

Agenda

Introduction to Electrolyte Simulation
  • Review and explain the electrolyte capabilities in Aspen Plus
  • Review the types of components present
  • Address special issues when modeling processes with electrolytes

Using the Electrolyte Wizard
  • Learn about and review the Aspen Plus Electrolyte Wizard
  • Apply the Electrolyte Wizard to a dedicated workshop
  • Workshop: Create an acid neutralization model using the Electrolyte Wizard

Electrolyte Chemistry
  • Understand electrolyte chemistry
  • Discuss how electrolyte chemistry data can be generated and implemented into Aspen Plus

Component Analysis
  • Examine the consequences of the two available choices (true & apparent) to represent electrolyte species within an Aspen Plus simulation
  • Workshop: Use appropriate property reporting options to access true and apparent component data

Property Sets
  • Examine the various reportable physical properties specific to electrolyte systems
  • Workshop: Simulate the titration of phosphoric acid with sodium hydroxide and use a Sensitivity analysis to study the model

Electrolyte Property Methods
  • Outline the common framework used by the electrolyte property methods
  • Give the theory of the electrolyte property methods
  • Define the property methods that support electrolyte systems

Electrolyte Property Parameters
  • Discuss calculation of enthalpy, Gibbs energy, and heat capacity for an electrolyte mixture
  • Review density models and transport properties (viscosity, thermal conductivity, and surface tension)
  • Perform calculation for regression of density parameters for FeCl3 solution

Sources of Property Data
  • Review the different means of acquiring required data for an electrolyte simulation
  • Discuss the built-in Aspen Properties databanks
  • Utilize pre-built Electrolyte Insert files in Aspen Plus & Aspen Properties

Estimation
  • Provide an overview of estimating pure component physical property parameters for electrolyte systems
  • Workshop: Create a flowsheet to model the neutralization of waste water with magnesium hydroxide

Electrolyte Property Regression
  • Provide an overview of regressing physical property parameters for electrolyte systems
  • Workshop (1): Regress Electrolyte pair parameters using TPXY data for a mixed solvent system of Water-Methanol-NaBr
  • Workshop (2) : Regress solubility data for the precipitation of Na2SO410H2O and Na2SO4 anhydride 

Distillation Columns with Electrolytes
  • Discuss using equilibrium-based and Rate-Based distillation Modeling with Electrolyte
  • Distillation for the simulation of distillation columns with ionic solutions
  • Workshop: Study ionic Distillation (HCl absorbtion)

Liquid-Liquid Equilibrium
  • Introduction to some of the complexities of liquid-liquid equilibrium for an electrolyte system
  • Workshop: Model the Vapor-Liquid-Liquid equilibrium of a sour water/organic system using a Flash3 block

Ice Formation
  • Learn how to include ice formation via Chemistry
  • Workshop: Predict the amount of ice formed at different temperatures for a 10 wt. % NaCl-Water solution 

Register for a Class

Date Class Type Location Price Language
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Date(s): 05/14/2025 - 05/15/2025 Type: Public Classroom Location: 2500 Citywest Blvd, Suite 1600
Houston , Texas USA 77042 		Price: (USD) 2000.00 Language: English Register
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Aspen Technology, Inc. awards Continuing Education Units (CEUs) for training classes conducted by our organization. One CEU is granted for every 10 hours of class participation.