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Aspen Plus – Basic Process Modeling

Learn how to model Basic Industrial and Chemical Processes!
Instructor:
Chemical Engineering Guy
849 students enrolled
English [Auto-generated]
Model basic chemical processes
Simulate basic industrial processes
Understand the concept of Flowsheet and Manipulate it
Set up the required/basic inputs for a Simulation
Choose the most adequate Method for Physical Properties Modeling
Be able to model the most important/used Unit Operations
Modify all reporting results in order to make analysis

The BASIC Aspen Plus Course will show you how to model and simulate Processes (From Petrochemical, to Ammonia Synthesis and Polymerisation). 

Analysis of Unit Operation will help you in order to optimise the Chemical Plant. 

This is helpful for students, teachers, engineers and researchers in the area of R&D and Plant Design/Operation.

The course is didactic, with a lot of applied theory and Workshops/Study cases.

At the end of the course you will be able to setup a simulation, run it, get results and more important, analysis of the process for further optimisation.

Introduction to Process Modeling!

1
Welcome to the Course!
2
Why Simulate/Modeling Processes?

Simulation help engineers to model processes faster, easier and without losing considerable amount of resources such as money and time.

It helps to cover different scenarios in order to optimise existing processes or to design new ones.

It helps process engineer to understand current operation conditions as well.

3
Slideshows and other Resources

You can find the following material here:

  • Slideshows
  • Workshops and Simulations
  • Results - Spreadsheet 
  • Problem Statement - Documents
  • Case Studies (pre/after results)

Click HERE

4
Join the Aspen Plus & HYSYS Forum (Unofficial)

Course Objectives

1
Content (INDEX)

Content of Index:

1.- Course Objectives
2.- Introduction to Aspen Plus
3.- User Interface & Getting Help
4.- Physical Properties
5.- Introduction to Flowsheet
6.- Unit Operation Models
7.- Reporting Results
8.- Case Studies I, II and III
9.- Case Study IV
10. Conclusion

2
Course Objectives

The Course Objectives (BASIC COURSE ONLINE)

General Flowsheet Concepts
Basic Requirements to set up a Simulation
Setting the adequate Physical Properties
Flowsheet “manipulation”
Major and Common Unit Operations
Workshop Practice
Reporting Results (Tables)
Technical Stuff (extensions, versions, exporting, saving, etc...)

Introduction to Aspen Plus

1
About the different Softwares for Process Modeling
2
About Aspen Plus

What is Aspen Plus? What is the basic difference between Aspen Plus V8.2 vs V8.8?

What about Aspen HYSYS and PLUS?

User Interface + Getting Help

1
Introduction to Aspen Plus Graphical User Interface
2
Starting Page - New, Open, Extensions, Templates Overview

How to interact with the Starting and Landing pages.

About the File Menu

The different Templates

3
Landing Page

The Landing Page is important for file/document manipulation

4
File Extensions & Templates

The different File Extensions, such as .bkp for backup and .aspw for documents

Templates might include SI unit, English unit or Customized Units

5
What is an Environment?

What is an Environment? The two most important environments: Physical Properties and Simulation.

6
Aspen Plus - Physical Property Environment

Aspen Plus V8.8 interaction with the Environments, specially the Physical Properties Environment which is the first one required to setup.

This is the Universe setup.

7
Simulation Environment

The Simulation Environment is the Flowsheet and all the other thigns behind it, i.e. math calculations, algorithms, operations and many other things for the Unit Operations (Blocks) and Streams.

8
Aspen Plus - the Simulation Environment

Interaction and explaining of the Simulation Environment in Aspen Plus V8.8

9
Getting Help

Many Places to get HELP in Aspen Plus V8.8 and also see the versions NEW features

10
Aspen Plus - Getting Help

How to interact with the Help Button, get help for different Blocks. The difference between Model types and how to setup such blocks

Physical Properties

1
Introduction to the Physical Property Environment
2
Setting up your Universe

Understanding the importance of the Physical Properties Environment in Aspen Plus V8.8

3
Method & Method Assistant

The Method Assistant is very helpful when you have no idea about the interactions between substances/components. It will guide you through the type of processes you are carrying out.

4
Filling up the Physical Properties Environment

An excise in which we fill up all the required data for the Physical Property Environment.

5
Physical Property Environment Closure

Introduction to the Flowsheet

1
Introduction to the Simulation environment & Flowsheet
2
Running the Simulation & Results

After the Physical Properties Environment, we need to fill up all the Simulation Environment. This is essentially just either a Stream or a Block with full input/output streams. 

3
Simulation Flow

How to interact with the Simulation Environment and the Flowsheet in Aspen Plus V8.8

4
Basic Results and Analysis

A little on Reporting Results.... More in Section 7. Basic Reporting

5
Flowsheet Closure

Unit Operations and its Models

1
Overview of the Section - Unit Operation Blocks
2
Introduction to Unit Operations

Unit Operation is not a concept of Aspen Plus, it is used in Engineering. Is any Unit able to perform any chemical/physical change to a stream/component. We use BLOCKS to model such units in Aspen Plus V8.8

3
Unit Operations in Aspen Plus

How to choose/model Unit Operations in Aspen Plus V8.8; this is a brief introduction of the Model Palette

4
Mixers/Splitter

Which are the common Mixer/Splitter units? A brief introduction to how and when to use this models in the Simulation of Aspen Plus V8.8

5
Exercise: Mixers/splitters

Interacting with Mixers/Splitters in Aspen Plus V8.8. How to setup, add/modify inputs and Requirements for the simulation to run. Getting results fro the unit Block.

6
Separators

Separators are simple to model since they are equilibrium 1-stage units. That is, only one P,T and x,y to model.

Examples:

  • Flashes
  • Decanters
  • Liquid-Liquid

A brief introduction to how and when to use this models in the Simulation of Aspen Plus V8.8

7
Exercise: Separators - Flash2 & Flash3

A simulation in which we use Flash 2 as a Flashing Drum. 

How to setup, add/modify inputs and Requirements for the simulation to run. Getting results fro the unit Block in Aspen Plus V8.8

8
Exchangers

Exchangers are anything that input/outputs energy in form of heat. Examples:

  • Heat Exchanger
  • Condenser
  • Boiler
  • Multiple Heat Exchanger

A brief introduction to how and when to use this models in the Simulation of Aspen Plus V8.8

9
Exercise: Exchanger - Heater

We use a Heat-X to model a heater/cooler in a simulation

How to setup, add/modify inputs and Requirements for the simulation to run. Getting results fro the unit Block in Aspen Plus V8.8

10
Columns

Since Mass Transfer processes are very complex to model, we require Columns. There are plenty of process that can be modeled with columns:

  • Flashing
  • Distillation Column
  • Absorbers
  • Liquid-Liquid Extraction

A brief introduction to how and when to use this models in the Simulation of Aspen Plus V8.8

11
Exercise: Columns - RadFrac

Simulation using a Rigurous Distillation Column.

How to setup, add/modify inputs and Requirements for the simulation to run. Getting results fro the unit Block in Aspen Plus V8.8

12
Reactors

This is an important topic, since reactors are used widely. It must be stated that there are 3 sections:

  • Stoichiometric based
  • Equilibrium based
  • Kinetic Model base

A brief introduction to how and when to use this models in the Simulation of Aspen Plus V8.8

13
Exercise: Reactors - RStoic

We use a Stoichiometric Reactor to model how can we add reactions and input/output requirements for a Reactor (adiabatic)

How to setup, add/modify inputs and Requirements for the simulation to run. Getting results fro the unit Block in Aspen Plus V8.8

14
Pressure Changers

How and when to use a Pressure modifier/changer. It can be used for liquid, gases and in pipes/pipelines.

A brief introduction to how and when to use this models in the Simulation of Aspen Plus V8.8

15
Exercise: Pressure Changer - Pump

Simulation interacting with the Valve, Pump and Compressor.

How to setup, add/modify inputs and Requirements for the simulation to run. Getting results fro the unit Block in Aspen Plus V8.8

16
Unit Operations Wrap-up

Basic Reporting

1
Introduction to Basic Reporting Section
2
Introduction to Reporting

How to get Results, how to modify/format units. How to add/remove Streams form database. Default and Template Reporting.

3
Table Reports

How to get Results, how to modify/format units. How to add/remove Streams form database. Default and Template Reporting.

Worked Case Study

1
Introduction to the Case Studies
2
Case Study I: Statement

Case Study of a Solvent Recovery Application. It uses a set of RadFrac (Distillation Columns). We model it and get acetone, water and methanol solvents.

3
Case Study I: Solvent Recovery

Simulation of Aspen Plus V8.8 of a Case Study of a Solvent Recovery Application. It uses a set of RadFrac (Distillation Columns). We model it and get acetone, water and methanol solvents.

4
ERRATA - Solvent Recovery Case
5
Case Study II: Statement

Case Study of a Cumene Reactor with recycle application. It uses a Recycle Stream, Reactor (RSTOIC) and a flash drum (Flash2). We get a higher conversion/concentration of Cumene in product.

6
Case Study II: Cumene Production

Simulation of a Cumene Plant including the Reactor, Recycle stream and of course a Flash Separator for better production.

7
Case Study III: Statement

Case Study of a Gas Compressions and Transport. It uses a set of Valves, Pumps, Compressors and Pipes. We model this for a final product specification for transport/Storage in Aspen Plus V8.8

8
Case Study III: Gas Compression

Simulation in Aspen Plus V8.8 for a Compression/Decompression, Transportation of Gases.

Individual Case Study

1
Introduction to the Individual Case Study
2
Case Study IV - Petroleum Fractionation

Try this at home! By yourself! It is a final Case Study for the Petroleum Fractionation. BE SURE TO CHECK YOUR RESULTS IN THE ATTACHMENT/LINK BELOW!

10. Course Conclusion

1
Closure
2
Conclusion

Some recap, review and conclusion of the course. We are officially done with the Aspen Plus Course!

3
Thank you!

Ladies, Gentlemen; it was an honor to serve you! I'm really thankful! If it is not much to ask, I will love to see you reviewing this course!

I wish you the best in your Process Modeling Education/Career!

Bonus & Surprises!

1
The BONUS!
2
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Thank you!

Here is a list of some coupons you might find useful!

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