Course Overview

• Learn to build, navigate and optimize process simulations using Aspen HYSYS
• Learn the efficient use of different HYSYS functions to build steady state process simulations

Course Benefits

• Leverage the intuitive bi-directional solver and other key features of Aspen HYSYS that allow for rapid flowsheet construction
• Use the Workbook and Process Flow Diagram (PFD) interfaces for quick and effective modeling
• Discover how multi-flowsheet integration can streamline and organize simulation efforts
• Explore different means of reporting results, including the use of Microsoft Excel VB macros
• Evaluate the performance of existing equipment by leveraging the rating capabilities of Aspen HYSYS
• Improve the convergence characteristics of columns and flowsheets; troubleshoot common problems
• Perform Case studies to determine the optimum operating point for a process
• Understand the pipeline hydraulics calculations used to assess the sizing requirements for a gas gathering system

Approach

• Instruction on basic topics
• 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 features
• Hands-on workshops using examples from the petroleum processing industry
• Detailed course notes

Getting Started

• Create and define a fluid package
• Utilize the built-in expert system to choose an appropriate thermodynamic model
• Select components, including hypotheticals
• Install streams and attach stream utilities
• Customize the Workbook
• Workshop: Introduce basic concepts necessary for creating simulations in Aspen HYSYS®.

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
• Understand how process information is propagated both forwards-and backwards
• Convert simulation cases to templates
• Workshop: Build and analyze a propane refrigeration loop simulation

Refrigerated Gas Plant

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

 
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

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

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.

Two Stage Compression

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

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 water dew point for the dry gas; use the hydrate utility to investigate the effects of methanol injection on hydrate inhibition.

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.

Troubleshooting / Best Practices

• Introduce best practices for product integration and automation
• Investigate 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.

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.

Optional Topics Per Request

Optional Topic: Acid Gas Sweetening

• Simulate amine towers; supply tray dimensions
• Discuss efficiencies for amine towers
• Use the Set operation and the Spreadsheet
• Workshop: Simulate a typical acid gas treating facility.

Optional Topic: Liquid Natural Gas (LNG)

• Use the LNG Exchanger operation to simulate multi-pass heat exchangers
• Utilize the Sub-Flowsheet to build a modularized PFD
• Model an LNG production process
• Workshop: Simulate a typical LNG facility

Appendix A: What’s New in Aspen HYSYS

• Review the latest features introduced in Aspen HYSYS V7.3.

Appendix B: Pro/II Converter

• Describe the key features of the new Pro/II file converter
• Demonstrate workflow and identify existing limitations of the file conversion tool
• Workshop: Use the new Pro/II Converter to create an Aspen HYSYS simulation based on an existing keyword file.