Aspen HYSYS Process Simulation Overview
- Identify the benefits of process simulation
- Describe the capabilities of Aspen HYSYS
- Introduce the Aspen HYSYS graphical user interface and organizational structure
Getting Started
- Enter necessary elements to fully define a Fluid Package
- Specify required parameters in order to execute flash calculations and fully define material streams
- Modify and set desired units of measure
- Review stream analysis options and Emissions Manager to perform emissions calculations - Sustainability Focus
- Workshop: Introduce basic concepts necessary for creating simulations in Aspen HYSYS
Propane Refrigeration Loop
- Add and connect unit operations to build a flowsheet
- Use available tools to manipulate the user interface
- View and customize the Aspen HYSYS Workbook
- Convert a simulation case to a template
- Workshop: Build and analyze a propane refrigeration loop
Refrigerated Gas Plant
- Utilize the Heat Exchanger model in Aspen HYSYS
- Introduce mathematical operations, starting with the Balance and Adjust
- Add a Template file to an existing simulation
- Workshop: Model a simplified version of a refrigerated gas plant and incorporate multiple flowsheet architecture
Reporting in Aspen HYSYS
- Survey common result reporting techniques in Aspen HYSYS
- Generate Excel reports from the HYSYS Workbook
- Use the Report Manager to create custom unit operation and stream reports
- Identify steps to perform CO2 emissions tracking, Carbon Fee, Utility Consumption and Cost calculations - Sustainability Focus
- Discover how to report non-standard physical properties in your material streams
- Introduce Data Tables as an option to create customized simulation results tables
- Provide a brief introduction to Aspen Simulation Workbook, enabling integration between Microsoft Excel and Aspen HYSYS
Oil Characterization and HP Separation
- Introduce the Aspen HYSYS Oil Manager and Assay Management features and how they are used for assay characterization
- Perform Spreadsheet calculations in Aspen HYSYS
- Use the Case Study feature to run flowsheet-wide scenarios
- Workshop: Use the Assay Management tools to characterize a crude assay, then employ the Spreadsheet and Case Study features to determine how Gas-Oil Ratio (GOR) varies with operating pressure
Two Stage Compression
- Introduce the Recycle operation in Aspen HYSYS
- Recognize suitable locations for a Recycle operation
- Enter compressor curves to determine head and efficiency as a function of inlet flow
- Workshop: Utilize the Recycle operation to build a two stage compression flowsheet; define and activate compressor curves thus modeling a HYSYS compressor with real-world data
Heat Exchanger Rating
- Review the available heat transfer unit operations in Aspen HYSYS
- Compare and contrast the applicability and operation of different heat exchanger models
- Learn how to assign process utilities to energy streams to see usage at stream level - Sustainability Focus
- Implement Aspen Exchanger Design & Rating (EDR) for rigorous heat exchanger calculations within Aspen HYSYS
- Introduce the Activated Exchanger Analysis feature for continuous heat exchanger study and design
- Workshop: Use a Rating model to determine if an existing heat exchanger will meet desired process specifications; design and rate a heat exchanger using the EDR interface inside Aspen HYSYS
Best Practices & Troubleshooting
- Discover Activated Analysis for continuous evaluation of economics, energy usage, equipment design, and dynamic modeling
- Recognize how “Pinch technology” is used to minimize energy use and optimize heat exchangers - Sustainability Focus
- Identify best practices for using Aspen HYSYS
- Investigate reasons why a simulation may produce poor results or errors
- Use suggested tips to debug a variety of simulations
- Workshop: Troubleshoot a series of Aspen HYSYS simulations and implement various best practices to get these simulations to solve properly
Gas Gathering and Crude Pre-Heat Train
- Use the Pipe Segment operation to model single and multi-phase fluid flow
- Introduce Pipe Segment Flow Assurance capabilities to ensure short and long-term viability of pipelines
- Workshop Gas Gathering (O&G Focus): Use the Pipe Segment and its built-in Flow Assurance tools to model and study a piping network in Aspen HYSYS
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- Workshop Crude Pre-Heat Train (Refinery Focus): Using a variety of heat transfer, separations, and piping unit operations, construct a raw crude pre-heat train flowsheet
NGL Fractionation and Atmospheric Crude Column
- Introduce Aspen HYSYS column models and templates
- Use the Input Expert to add and define a distillation column
- Add and manipulate column specifications to meet process objectives
- Include column side operations for additional distillation configuration options
- Workshop NGL Fractionation (O&G Focus): Model a two column natural gas liquids (NGL) fractionation train
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- Workshop Atmospheric Crude Column (Refinery Focus): Construct, run, manipulate, and analyze an atmospheric crude distillation column
Gas Dehydration and Vacuum Tower & Heat Integration
- Review methods for saturating a hydrocarbon stream with water in Aspen HYSYS
- Use the Hydrate Formation Analysis to calculate hydrate formation temperatures and pressures
- Build a vacuum distillation tower with side draws and pump arounds
- Apply the Recycle operation as a flowsheet-building tool appropriate for a variety of simulations
- Workshop Gas Dehydration (O&G Focus): Model a typical gas dehydration unit and study gas saturation, hydrate formation conditions, and unit operation performance throughout the model
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- Workshop Vacuum Tower & Heat Integration (Refinery Focus): Define and analyze a vacuum distillation tower; simulate heat integration to reduce energy usage within an overall crude processing system
Optional Exercises and Extra Materials (Time Permitting)
Acid Gas Package
- Introduce the Acid Gas Property Package
- Carbon capture and storage example of carbon capture using DEPG (physical solvents) and MEA (chemical solvents) - Sustainability Focus
- Dynamic modeling capabilities for Acid Gas Columns in v12 - Sustainability focus
- Workshop: Model an acid gas sweetening process using diethanolamine
Liquefied Natural Gas (LNG) Plant
- Use the LNG Exchanger operation to simulate multi-pass heat exchangers
- Utilize the Sub-Flowsheet to build a modularized process flowsheet
- Workshop: Model an LNG production process
Appendix
- Blue hydrogen Example – SMR to produce hydrogen rich gas
- Green hydrogen Example – Alkaline electrolysis system
- Biofuels Example – Production of green diesel with vegetable oil
- Biofuels Example – Production of green diesel with waste cooking oil
