Aspen HYSYS: Process Modeling

Day 1

Propane Refrigeration Loop

• Add and connect operations to construct a simple flowsheet.
• Use the graphic interface to manipulate flowsheet objects and provide a clearer representation of the process.
• Understanding how to process information has propagated both forward and backward.
• Convert simulation cases to templates.
• Workshop: Build and analyze a propane refrigeration loop simulation

Day 2

Refrigerated Gas Plant

• Install and converge heat exchangers.
• Use logical operations: Adjust and Balance.
• Workshop: Model a simplified version of a refrigerated gas plant.

Day 3

NGL Fractionation Train

• Model distillation columns with the assistance of the Column Input Expert.
• Manipulate column specifications to better represent process constraints.
• Evaluate utility requirements using the Process Utility Manager.
• Workshop: Model a two-column natural gas liquid NGL recovery plant.

Day 4

Oil Characterization and HP Separation

• Introduce Oil Characterization in Aspen HYSYS.
• Use the Aspen HYSYS Spreadsheet and Case Study functionality.
• Workshop: Use the Oil Environment to characterize a crude assay and then employ the Case Study and Spreadsheet operation to determine how the Gas Oil Ratio GOR varies with pressure.

Day 5

Gas Gathering System

• Simulate a gas gathering system located on varied terrain using the steady-state capabilities of Aspen HYSYS.
• Workshop: Use the pipe segment and the Hydraulics subflowsheet to model a piping network in Aspen HYSYS.

Day 6

Two-Stage Compression

• Introduce the use of the recycling operation.
• Recognize suitable recycling locations.
• Implement performance curves for rotating equipment.
• Workshop: Utilize the recycle operation to build a two-stage compression flowsheet; define and activate compressor curves.

Day 7

Natural Gas Dehydration with TEG

• Review the recommended methods to saturate single-phase and two-phase hydrocarbon streams.
• Discuss the implications of hydrate formation and the different means available to avoid hydrate problems.
• Model a typical TEG dehydration unit.
• Workshop: Model a typical TEG dehydration unit and determine the water dew point for the dry gas; use the hydrate utility to investigate the effects of methanol injection on hydrate inhibition.

Day 8

Rating Heat Exchangers

• Review heat transfer calculation models in Aspen HYSYS.
• Configure a shell and tube heat exchanger to use a built-in Rating model.
• Integrate rigorous Exchanger Design and Rating EDR calculations into an Aspen HYSYS flowsheet.
• Workshop: Use a Rating model to determine if an existing heat exchanger will meet process specifications; design and rate a heat exchanger using the EDR interface inside Aspen HYSYS

Day 9

Troubleshooting / Best Practices

• Introduce best practices for product integration and automation.
• Investigate the reasons why a simulation may produce poor results, consistency errors, etc.
• Identify appropriate thermodynamic models for common processes.
• Use suggested tips to debug simulations and columns.
• Workshop: Troubleshoot existing Aspen HYSYS cases; recognize common problem areas in an Aspen HYSYS case.

Day 10

Reporting in Aspen HYSYS

• Create a variety of customized reports using newly added functionality in the Report Manager.
• Access free Excel utilities designed to extract simulation data.
• Use Aspen Simulation Workbook to deploy models in Microsoft Excel.
• Workshop: Use the Report Manager, Excel utilities, and Aspen Simulation Workbook to obtain custom reports.