Apply Advanced Aspen HYSYS Modeling Techniques to Meet Energy Efficiency Targets and Maximize Process Performance

Learn how to apply advanced modeling features in Aspen HYSYS such as the Activated Energy Analysis integration and rigorous LNG heat exchanger design to maximize energy efficiency. Learn advanced equipment design techniques to maximize process performance and optimize CAPEX.

This course will help you prepare for the certification exam and the exam fee is waived with this course.


  • Engineers who need to use first principles simulations to solve Sustainability problems for processes or process units.

Training Details

  • Course Id:


  • Duration:

    2 day(s)

  • CEUs Awarded:


  • Level:



  • Learn how to maximize energy savings with Activated Energy Analysis.
  • Create custom column configurations
  • Perform complex calculations and analyses using the Spreadsheet operation and Case Study tool
  • Learn how to optimize your Aspen HYSYS simulation
  • Model liquid carryover and imperfect separation
  • Simulate vessel depressurization and complex relief scenarios
  • Build PSV Datasheets 
  • Model Multiphase pumps and Wet gas Compressors 


  • Instruction on key topics
  • An experienced instructor will select an appropriate order in which to present the modules
  • Discussion about the general approach and the key elements for successful simulations
  • Instructor-guided demonstrations of various features
  • Comprehensive modeling-based workshops covering all key course topics
  • A full set of detailed course notes on all topics is provided


  • Previously attend EHY101 Aspen HYSYS: Process Modeling training course, or
  • Familiarity with basic Aspen HYSYS steady-state process modeling techniques

Subsequent Courses

A variety of additional Aspen HYSYS course options exist for more specialized training
  • EHY223 Aspen HYSYS Dynamics: Introduction to Dynamic Modeling
  • EHY150 Refinery Process Modeling using Aspen HYSYS and Aspen HYSYS Petroleum Refining
  • EHY2351 Modeling Heavy Oil & Gas Production and Facilities Using Aspen HYSYS Upstream
  • EHY2611 Heat Transfer Modeling Using Aspen HYSYS
  • EHY121 Building MS Excel User Interfaces for Aspen HYSYS Simulations Using Aspen Simulation Workbook
  • EHY2311 Developing Automation Solutions for Aspen HYSYS
  • EHY2400 CO2 Removal Processes Using Aspen HYSYS


  • Getting Started
  • Apply Aspen HYSYS simulation-building techniques to build a turbo expander/fractionation plant model
  • Use the LNG Exchanger operation to simulate multi-pass heat exchangers
  • Link process variables using the Set logical operation
  • Apply physical properties via the Correlation Manager
  • Workshop: Construct a comprehensive Turbo Expander/Fractionation Plant model

  • Advanced Columns
  • Build customized column model configurations in Aspen HYSYS
  • Introduce efficiency by discussing theoretical versus actual stage calculation approaches
  • Perform hydraulic calculations on column trays and packing using the Aspen HYSYS- Column Analysis
  • Workshop: Customize standard HYSYS column models for more detailed condenser and reboiler modeling and investigate the influence of stage efficiencies and column internals on tower performance.

  • Real Separators
  • Model separators to include carryover and better account for imperfect separation 
  • Predict the effect of vessel geometry and secondary separation devices on mitigating liquid carryover 
  • Workshop: Define and predict carryover for a HYSYS separator based on defined process conditions, vessel parameters, and secondary separation devices

  • Safety Analysis Environment
  • Identify HYSYS Safety Analysis Environment as a comprehensive, process-wide pressure relief modeling tool 
  • Size and rate pressure safety valves (PSVs) for single or multiple relief scenarios 
  • Demonstrate how to setup and report results from PSV calculations in the Safety Analysis Environment 
  • Workshop: Perform pressure safety valve (PSV) sizing calculations for various relief scenarios and generate compliance reports

  • Use BLOWDOWN™ in Aspen HYSYS to predict process conditions inside vessels and associated valves during pressure let-downs and emergency scenarios
  • Size single pressure safety valves and blowdown valves to safely meet the relief conditions in your process
  • Workshop: Use BLOWDOWN™ Analysis to size a valve for vessel blowdown and rate a relief valve for a fire case

  • Equation-Oriented Simulation
  • Demonstrate Equation Oriented (EO) modeling in Aspen HYSYS V11.0
  • Demo: Convert an existing case to EO and synchronize results

  • Reactors
  • Introduce the available reactor unit operation models in Aspen HYSYS
  • Create chemical reactions and reaction sets
  • Workshop: Model a simplified synthesis gas production flowsheet using a variety of reactor types

  • Sulsim
  • Discuss the modified Claus process, the reactions involved, and how to optimize its conversion
  • Use Sulsim’s empirical models to develop predictive and fully-rigorous simulations of the sulfur recovery process
  • Introduce various Sulsim unit operation models and optimization techniques
  • Workshop: Model a Sulfur Recovery Unit (SRU) by configuring the thermal and catalytic stages using the Specialized Sulfur Recovery Sub-Flowsheet tools and increase the overall performance using the Air Demand Analyzer

  • Discussion on applications to tackle common sustainability problems:
  • Activated Energy Analysis
  • CO2 emissions report
  • Options to model Hydrogen production, Green H2/Ammonia production, and CO2 capture using Amine

Register for a Class

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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.