Aspen HYSYS: Advanced Process Modeling Topics

Course Id:  EHY202   |   Duration:  2.00 day(s)   |   CEUs Awarded:  1.4   |   Level:  Intermediate


Course Objective

Learn how to use and apply advanced modeling techniques to enhance your simulation. Create models that emulate plant conditions. Create custom column templates, including non-standard configurations. Optimize process conditions to meet one or more process constraints. Perform complex calculations on flowsheet variables using the HYSYS Spreadsheet. Integrate rigorous heat exchanger models into a standard flowsheet. Use the Depressuring Analysis to predict pressures and temperatures inside process vessels during pressure let-downs and emergency conditions.

Course Overview

Learn how to use and apply advanced modeling techniques to enhance new and existing Aspen HYSYS flowsheets

Benefits

  • 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
  • Define reaction sets and utilize different types of reactor models

Audience

  • Process engineers who need advanced skills for more complex modeling tasks
  • Current HYSYS users looking to build upon their knowledge of basic steady-state procedures in Aspen HYSYS

Approach

  • 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

Prerequisites

  • 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

Class Schedule

Class Agenda

EHY202: Aspen HYSYS: Advanced Process Modeling Topics

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
  • Utilize the Spreadsheet operation to define customized calculations based upon HYSYS flowsheet variables
  • Workshop: Customize standard HYSYS column models for more detailed condenser and reboiler modeling: investigate the influence of stage efficiencies and column internals on tower performance and utilize a Spreadsheet to calculate economic parameters.

Model an Acid Gas Cleaning Process
  • Introduce the Acid Gas Property Packages
  • Simulate the effect of adding MEA to MDEA-Based Process
  • Configure a Liquid-Liquid Extractor
  • Workshop: Model an acid gas sweetening process using Mixed Amines and configure a Liquid-Liquid Extractor.

Sulsim
  • Build a Sulfur Recovery Unit (3 Stage Claus Process) in Aspen HYSYS
  • Configure the thermal and catalytic stages of the recovery process
  • Utilize the Air Demand Analyzer to improve the overall performance
  • 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.

Model 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

Dynamic Depressuring
  • Use the Depressuring Analysis 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 the Dynamic Depressuring Analysis to size a valve for vessel blowdown and rate a relief valve for a fire case

Blowdown
  • Use the Depressuring Analysis 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 the Dynamic Depressuring Analysis to size a valve for vessel blowdown and rate a relief valve for a fire case

Safety Analysis Environment
  • Introduce the 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

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

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

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.