Aspen Plus Full Course (Beginner to Advanced)

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About Course

Aspen Plus used for modeling, designing, and optimizing chemical processes, including energy, sustainability, and polymer systems. It enables engineers to predict process behavior using mass/energy balances and thermodynamics.

What Will You Learn?

  • 1. Introduction
  • 2. Defining the flowsheet
  • 3. Global Information for Calculations
  • 4. Customizing Your Aspen Plus Environment
  • 5. Specifying Streams
  • 6. Physical Property Methods
  • 7. Physical Property Parameters and Data
  • 8. Unit Operation Models
  • 9. Working with Plots
  • 10. Optimization
  • 11. Custom Models and External Control
  • 12. Specifying Reactions and Chemistry
  • 13. Pressure Relief Calculations
  • 14. Pressure Drop, Friction Factor, ANPSH, and Cavitation
  • 15. Polymerization Processes
  • 16. Petroleum Assays and Pseudocomponents
  • 17. Characterization of Drug-Like Molecules Using Aspen Properties
  • 18. Aspen Plus® Dynamics
  • 19. Safety and Energy Aspects of Chemical Processes
  • 20. Parallel Computing Tools: Reduced Order Models, Optimization, and High-Performance Computing169
  • 21. Design Specifications: Feedback Control
  • 22. Aspen Process Economic Analyzer (APEA)
  • 23. Course Project

Course Content

Tutorial 1: Introduction
Lets get you started strong

  • Tutorial 1: Introduction to Aspen Plus

Tutorial 2: Defining the flowsheet
This part of the course focuses on building and running complete process simulations in Aspen Plus with more detail and practical application. It starts with defining the flowsheet and understanding the problem being modeled, followed by entering and naming chemical compounds and handling binary interaction parameters for accurate thermodynamic behavior. Learners are introduced to the Simulation Environment, including the Activation Dashboard, and how to construct a flowsheet by placing blocks and material streams from the model palette. It also covers manipulating these elements, inputting data, setting project titles, and configuring report options before running simulations. The outline then explores selecting and comparing recommended property methods, incorporating experimental data (such as NIST/TDE), and improving model reliability through parameter cleaning and convergence checks. Users learn how to analyze results using stream tables, property sets, and stream condition data. Finally, the course includes reporting and documentation features—printing, viewing input summaries, and generating reports—along with a practical example of adding and operating a Flash3 separation unit, including specifying required inputs and evaluating simulation results.

Tutorial 3: Global Information for Calculations
Lets go numbers

Tutorial 3:Customizing Your Aspen Plus Environment
This section covers **customizing and managing Aspen Plus settings**. It explains how to choose and adjust settings for individual runs, set default options for all simulations, and use the window menu for navigation. It also introduces customizing application templates, working with user model libraries, and specifying components for simulations.

Tutorial 5:Specifying Streams
This section focuses on **working with different types of streams in Aspen Plus**. It covers how to specify material streams, including composition, particle size distribution, and component attributes, as well as performing mass-balance-only calculations. Learners also explore analyzing stream properties, including generating PT envelopes and using stream property analysis tools. The outline introduces stream classes, substreams, and libraries for better organization and flexibility. Additionally, it explains how to handle specialized streams such as heat, work, load, and pseudo-product streams, providing a comprehensive understanding of how energy and material flows are defined and analyzed within a simulation.

Tutorial 6:Physical Property Methods
This section provides an **overview of physical property methods in Aspen Plus**. It explains how to choose, create, and modify property methods, including those for nonconventional components, electrolytes, and supercritical systems. Learners are introduced to physical property modeling basics, retrieving property data, and performing specialized calculations such as free water analysis. The outline also includes practical applications like creating VLE diagrams and understanding processes such as pressure swing distillation.

Tutorial 7:Physical Property Parameters and Data
This section focuses on **property data, parameters, and unit operations in Aspen Plus**. It explains how to determine required property parameters, retrieve them from databanks, and input or customize them using tabular data or polynomial coefficients.

Tutorial 8:Unit Operation Models
One stop center for all unit operation modeling

Tutorial 9:Working with Plots
This section focuses on **data visualization and plotting in Aspen Plus**. It covers how to display simulation data and generate plots using the Plot Wizard by selecting relevant variables. Learners also explore how to customize plot appearance, update plots when results change, and add or compare data from different simulation runs. Additionally, it includes managing plots by adjusting data ranges, deleting data points or curves, changing default settings, and printing plots for reporting purposes.

Tutorial 9:Optimization
This section introduces **optimization in Aspen Plus**. It provides an overview of optimization concepts and a recommended step-by-step procedure for solving optimization problems. Learners are guided on how to define an optimization problem, including setting objective functions and using appropriate property methods such as STEAMNBS. The outline includes a practical case study involving a water transport flowsheet, where stream, pump, and pipe specifications are defined. It also highlights the use of model analysis tools like the Optimization and Sensitivity tools to evaluate and improve process performance, concluding with key insights and best practices.

Tutorial 10:Custom Models and External Control
This section covers **advanced modeling and integration features in Aspen Plus**. It introduces the basics of importing and exporting variables to control and link simulations. Learners also explore creating custom models using calculator blocks for added flexibility, and integrating Aspen Plus with Microsoft Excel for automation, data exchange, and enhanced analysis.

Tutorial 10:Specifying Reactions and Chemistry
This section focuses on **reactions and chemical processes in Aspen Plus**. It provides an overview of how to define and model chemical reactions, including both conventional and electrolyte systems. Learners are introduced to electrolyte chemistry, relevant property methods, and tools like the Electrolyte Wizard, with a practical example based on a water de-souring process and its flowsheet. The outline also covers entering feed and equipment specifications, particularly for units like strippers. Additionally, it explores different reaction models such as power law and LHHW kinetics, handling reactions involving solids, and setting up reactions in complex operations like reactive distillation. Advanced topics include using user-defined kinetics subroutines for customized reaction modeling.

Tutorial 11:Pressure Relief Calculations
Here is the course outline summary presented as plain paragraphs without any bullets or numbering. The course begins with an introduction to pressure relief calculations and the types of credible pressure relief scenarios, such as fire, blocked outlet, or utility failure. It then covers how to select the appropriate pressure relief scenario based on process conditions and safety requirements. Next, the course explains the design rules derived from industry standards like API 520 and 521, followed by guidance on specifying the venting system including backpressure and piping details. It also addresses specifying dynamic input, which involves setting time‑dependent parameters, relief device characteristics, and inlet/outlet losses. Finally, the course teaches how to examine the results of pressure relief calculations, including relief load, required orifice area, and pressure‑temperature profiles to verify compliance with design rules.

Tutorial 12:Pressure Drop, Friction Factor, ANPSH, and Cavitation
Here is the course outline summary as a plain paragraph without bullets. The course begins with a problem description involving pressure drop, friction factor, available net positive suction head (ANPSH), and cavitation. It specifies the property method “STEAMNBS” for accurate water thermodynamics. A water pumping flowsheet is then built, followed by entering specifications for pipes, the pump, and fittings. The results section covers frictional pressure drop, pump work, valve choking conditions, and a comparison between ANPSH and required net positive suction head (RNPSH). Finally, model analysis tools such as sensitivity are used to determine the onset of cavitation or valve choking.

Tutorial 13:Polymerization Processes
The course begins with the theoretical background of the high-density polyethylene (HDPE) high-temperature solution process. It then covers creating the Aspen Plus flowsheet for HDPE, with a focus on improving convergence. Next, the course addresses how to present the property distribution of the polymer. The main features and assumptions of the Aspen Plus chain polymerization model are explained, including the calculation of number average molecular weight (MWN) and weight average molecular weight.

Tutorial 14:Petroleum Assays and Pseudocomponents
The course provides an overview of petroleum assays and pseudocomponents, focusing on the ADA/PCS (Aspen Data Analysis and Property Calculation System) tool. It covers how to use ADA/PCS, including creating assays, entering assay data, creating a blend, entering blend specifications, specifying assay analysis options, and modifying petroleum property definitions. The course then discusses pseudocomponents, entering specifications for pseudocomponent generation, defining pseudocomponent properties, and explaining pseudocomponent property methods. It also covers creating pseudocomponent property methods and defining a new petroleum property. Finally, the course concludes with examining ADA/PCS results.

Tutorial 15:Characterization of Drug-Like Molecules Using Aspen Properties
The course begins with an introduction and a problem description for characterizing a drug-like molecule. It then covers creating the Aspen Plus pharmaceutical template, followed by defining the molecular structure of the compound BNZMD‑UD. Next, the course addresses entering property data for the molecule. Finally, it contrasts the Aspen Plus databank entry for BNZMD‑DB with the user‑defined BNZMD‑UD to highlight differences in property predictions.

Tutorial 16:Aspen Plus® Dynamics
The course begins with an introduction and problem description, then covers preparing an Aspen Plus simulation for conversion to Aspen Plus Dynamics (APD). It explains converting a steady‑state simulation into a dynamic one, opening the dynamic file, using the Simulation Messages window, and running the initialization mode. Next, the course covers adding a temperature control (TC) unit, managing snapshots for successful old runs, using the controller faceplate, and understanding communication time for updating results. It contrasts the closed‑loop auto‑tune variation (ATV) test versus the open‑loop tune‑up test, then performs an open‑loop (manual mode) tune‑up for a liquid level controller. The closed‑loop dynamic response is examined for both liquid level load disturbance and set‑point disturbance. The course also addresses accounting for dead time and lag time in process dynamics, conducting the closed‑loop ATV test for the temperature controller, and analyzing the TC response to a temperature load disturbance. Interactions between the level controller (LC) and temperature controller (TC) are studied, along with the stability of a process without control. Cascade control is introduced, followed by monitoring variables as functions of time. The course concludes with final notes on virtual (dry) process control in APD.

Tutorial 17: Safety and Energy Aspects of Chemical Processes
The course begins with an introduction and problem description, then introduces the Safety Analysis environment. It covers adding a pressure safety valve (PSV) and a rupture disk (RD), as well as presenting safety‑related documents. Next, the course covers preparation of the flowsheet for the Energy Analysis environment, followed by activation of Energy Analysis and an overview of the Energy Analysis environment. Finally, the Aspen Energy Analyzer is introduced as the tool for evaluating energy performance.

Tutorial 18: Parallel Computing Tools: Reduced Order Models, Optimization, and High-Performance Computing169
The course begins with objectives, prerequisite knowledge, and an explanation of why parallel computing is useful for problem solving in Aspen Plus. It then covers Aspen Multi‑Case for running large parallel computing jobs, followed by running Aspen Plus from Python code using parallel computing. Finally, the course addresses particle swarm optimization in Aspen Plus with parallel computing.

Tutorial 19: Design Specifications: Feedback Control
The course provides an overview of design specifications for feedback control, including SM design specs. It explains what design specifications are, how to define a design specification, and how to troubleshoot them. Finally, the course covers EO spec groups.

Tutorial 21: Aspen Process Economic Analyzer (APEA)
The course begins with objectives, prerequisite knowledge, and an explanation of why cost estimation is useful for problem solving. It then covers using the Aspen Capital Cost Estimator as a stand‑alone product, followed by an optimized process flowsheet for acetic anhydride production. Costing options in Aspen Plus are introduced, along with integrated economics within Aspen Plus. Finally, the course presents the first route for chemical process costing and then the second round for chemical process costing.

Course Project
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