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Aspen Plus and chemical process simulation

2025-03-12View Original

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) Aspen Basics: 1. Overview of the functions of Aspen Plus software, areas of application, software features and functions; 2. AspenONE Integration; List of software features ; Application scope 3. User interface – Properties and simulation environment 4. Property environment – Input components and properties 5. Simulation environment – Graphical process definition and process data 6. Unit operation models – Introduction to major unit operations (fluid transfer and simple units, etc.) 7. Heat exchangers – Basic heaters, heat exchangers, and utility systems 8. Practical exercises on ethylene oxide processes * (II) Property methods and simulation 1. Criteria for selecting property methods, experience in engineering design ; Definition of property data sets (common properties used in engineering design) ; Physical property analysis (commonly used physical property analysis in engineering, adaptive analysis techniques) ; Physical property estimation (organic matter estimation, inorganic salts, organic salt estimation: molten salt systems, etc.) ; Use of several electrolyte equations ; Regression of physical property data (regression for conventional components, regression techniques for medium-high pressure mixed systems, several methods for obtaining thermodynamic equilibrium data). Introduction to NIST databases and data estimation/prediction (TDE). 2. Aspen Plus – material and energy balance calculations for gas-liquid-liquid three-phase equilibrium (assessment of the phase transition temperature using styrene as a parameter) ; Liquid-liquid equilibrium calculation for acetic acid extraction (Design Spec: adjusting solvent amount based on specified requirements) ; Liquid-solid equilibrium calculation (crystallization temperature of sodium sulfate decahydrate) ; Calculation of electrolyte solutions ; Example exercises*. (III) 1. Mastering the Aspen Plus module: gaining in-depth knowledge of strict reactor models – understanding equilibrium and kinetic reactions, as well as mastering the use of various reactor models. Distillation column models – Understand the DSTWU model and gain in-depth mastery of the flexible use of the RadFrac model. 2. Aspen Plus distillation simulation calculations; Aspen ConSep for conceptual design of processes involving azeotropic systems ; DSTWU is applied in the preliminary design of distillation columns ; Practice with examples* ; Design and Optimization of Process Parameters for RadFrac Distillation Columns ; Use the design specification Design Spec for rapid solution ; Optimize the feed plate position using sensitivity analysis ; Use Aspen Column INTERNALS for interactive design and verification of distillation column hydraulics and internals ; Simulation of complex distillation processes such as azeotropic distillation, reactive distillation, and double condensers (including off-gas condensers) ; Example exercises*. 3. Aspen Plus heat transfer simulation models the heat transfer process of water-air-ethanol. Calculate the boiler heat load and steam surplus, determine the heat exchange area and the required amount of steam (as specified in the design), and use Aspen Plus along with Aspen EDR for rapid solution to carry out the design/verification of the heat exchanger. Example exercises*. 4. Typical process examples include the application of wastewater stripping (azeotropic distillation), MTBE units (reactive distillation), C4 extraction (extractive distillation), and heat pump distillation. 5. Techniques for converging complex processes, as well as other aspects of Aspen Plus; new knowledge points are explained in line with the needs of the students in the class. (IV) 1. Application of Aspen Plus in advanced distillation processes: Design, verification, and dynamic control of distillation processes ; Strict calculation of the minimum reflux ratio and minimum number of theoretical plates ; Simulation of complex distillation processes such as azeotropic distillation, reactive distillation, and double condensers ; Combined process of extractive distillation and solvent recovery—phenol extracting toluene. 2. Application of Aspen Plus in advanced distillation processes (continued): Separation of homogeneous azeotropes — Pressure swing distillation for the separation of ethanol and benzene ; Separation of heterogeneous azeotropes—butanol dehydration ; Simulation techniques for electrolyte processes and distillation columns in petroleum refining processes ; Example exercises*. (V) 1. Aspen Plus simulation for tower fault diagnosis: including selecting convergence algorithms, addressing mass imbalance issues, resolving process specification problems, and dealing with impractically designed scenarios, with examples. 2. Aspen Plus full-process simulation was carried out for a certain plant to simulate the entire process of producing styrene through the catalytic dehydrogenation of ethylbenzene, in order to master the unit operation modules for distillation, reaction, and heat exchange as well as the techniques for achieving convergence in complex processes ; Practice*. 3. Aspen Plus is used, along with the Activation Economic Analysis Tool (APEA), to calculate the investment and operating costs associated with various design options, thereby facilitating the optimization of designs ; Use the activation energy analysis function to calculate the target device energy consumption value, and apply the pinch point principle to obtain suggestions for process modifications ; Activate the safety analysis environment to perform calculations for the flare safety valve. 4. Classification of simulated solid components in Aspen PLUS® ; Simulation of conventional solid components ; Simulation of unconventional solid components ; The concept of sub-flow and the input of solids into sub-flows. 5. Aspen Plus is used for the development of actual process packages, as well as for modeling and simulation of real industrial plants; key considerations and points to keep in mind. 6. An introduction to the \"clean production process for dimethyl sulfoxide\" is provided, enabling trainees to master the basic physical properties, reaction principles, unit operations, and ultimately the entire simulation process of this technology. Leave your method behind. Leave your method behind. Leave your method behind. Leave your method behind
Reply #22025-03-12
Aspen Plus is a process simulation software widely used in industries such as chemicals, oil, and gas. It can simulate factory operations in detail, optimize production processes, and conduct process design and analysis. Software features include: 1. Functional overview: Aspen Plus is capable of simulating complex chemical reactions and performing mass and energy balance calculations; it is suitable for various unit operations such as distillation, reaction, heating, and cooling. 2. Application fields: It is mainly used in industries such as chemicals, petroleum processing, pharmaceuticals, and energy. 3. User interface: Provides a graphical operation interface to facilitate users in defining process flows and entering process data. 4. Physical property environment: Users can enter component information and related physical property data, or use the built-in database. 5. Simulation environment: The entire production process can be defined through a graphical interface, simplifying the design and simulation processes. 6. Unit operations: Includes various templated unit operation models, such as fluid transport and heat exchangers. 7. Distillation and reaction simulation: It is possible to simulate various distillation columns and reactors, including the special design and optimization of azeotropic processes and reactive distillation. 8. Heat exchange simulation: It allows for the calculation and design of heat exchangers, including heat load and heat exchange area. 9. Economic and energy analysis: Provides tools for analyzing installation costs and operating expenses, as well as for calculating target energy consumption values. 10. Safety analysis: Includes safety-related analyses such as the calculation of flare safety valves. Aspen Plus not only helps engineers with daily process design and optimization, but it is also a highly valuable tool for research and education. .
Reply #32025-03-13
kis_ing@msn.com

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