Advanced Solutions Using Aspen HYSYS

• How to optimize your Aspen HYSYS simulation
• How to create custom column configurations
• How to perform complex calculations and analyses using the Spreadsheet operation
• How to perform complex calculations and analyses using Case Study tool
• How to build PSV Datasheets
• How to simulate vessel depressurization and complex relief scenarios
• How to model liquid carryover, multiphase pumps, and wet gas compressors

• Process engineers who want to upgrade their skills for complex modelling tasks
• HYSYS users who are keen on building their knowledge of necessary steady-state procedures in Aspen HYSYS

• Familiarity with basic Aspen HYSYS steady-state process modelling techniques will help you if you want to earn this Advanced Solutions using Aspen HYSYS Training. You are also eligible for this training if you have previously attended the EHY101 Aspen HYSYS: Process Modeling training course.

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

BLOWDOWN™

• 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

Acid Gas Cleaning

• Identify different Acid Gas Property Packages
• Discuss how the Acid Gas Property Packages addresses the challenges of modeling acid gas cleaning processes such as electrolyte thermodynamics, column non-ideality, and solvent make-up
• Workshop: Model an acid gas sweetening process using mixed amines and study the effect of introducing a second amine to a blend

Optimization

• Review optimization techniques and options in Aspen HYSYS
• Use the Spreadsheet operation to define an objective function for the Original Optimizer
• Discover the Hyprotech SQP Optimizer as an alternative to the Original Optimizer for more complex calculations
• Workshop: Use the available optimization methods to maximize profit in a Turbo Expander/Fractionation Plant

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