• Extractive Distillation
Entrainer feed (FE) NT = 41 NFE = 7 NFF = 35 IPA-water feed (FF) P = 3 atm T = 25oC F = 100 kmol/hr X IPA =0.5 X WATER =0.5
D2 XIPA=0.999 NFE NT = 24 Extractive distillation column NF2 = 9 F2 NFF NF2
• Process simulation
– pump, compressor, valve, tank, heat exchanger, CSTR, PFR, distillation column, extraction column, absorber, filter, crystallizer…etc 5
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Specification
To do this Find components in the databanks Define a custom component that is not in a databank Generate electrolyte components and reactions from components you entered Reorder the components you have specified Click this button Find User Defined Elec Wizard Reorder
Ref: /products/aspen-plus.cfm
3
What Aspen Plus provides
• Physical Property Models
– World’s largest database of pure component and phase equilibrium data for conventional chemicals, electrolytes, solids, and polymers – Regularly updated with data from U. S. National Institute of Standards and Technology (NIST)
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Data Browser
• The Data Browser is a sheet and form viewer with a hierarchical tree view of the available simulation input, results, and objects that have been defined
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Introduction to Aspen Plus – Part 1
Startup in Aspen Plus
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Start with Aspen Plus
Aspen Plus User Interface
Aspen Plus Startup
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Interface of Aspen Plus
Review databank data for components you have specified (Retrieved physical property parameters from databanks.)
Review
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Find Components
Click “Find”
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Find Components (cont’d)
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Setup – Specification
Run Type
Input mode
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Components – Specification
Input components with Component name or Formula
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Input components
Remark: If available, are
0.4 0.2 0.0 0.0
39 40
Duty ?
0.2
0.4
0.6
0.8
1.0
xWater
Outline
• Startup in Aspen Plus (Basic Input) (45 min) – User Interface – Basic Input: Setup, Components, Properties. • Properties Analysis (1 hour) – Pure Component – Mixtures (phase equilibrium) • Running Simulation (1 hour) – Blocks (Unit Operations) – Streams (flow streams) – Results
What course Aspen Plus can be employed for
• • • • • • • MASS AND ENERGY BALANCES PHYSICAL CHEMISTRY CHEMICAL ENGINEERING THERMODYNAMICS CHEMICAL REACTION ENGINEERING UNIT OPERATIONS PROCESS DESIGN PROCESS CONTROL
Introduction to Aspen Plus
Short Courses on Computer Applications for ChE Students
Speaker: Yi-Chang Wu (吳義章) d98524013@.tw
PSE Laboratory Department of Chemical Engineering Nation Taiwan University
• Comprehensive Library of Unit Operation Models
– Addresses a wide range of solid, liquid, and gas processing equipment – Extends steady-state simulation to dynamic simulation for safety and controllability studies, sizing relief valves, and optimizing transition, startup, and shutdown policies – Enables you build your own libraries using Aspen Custom Modeler or programming languages (User-defined models)
Model Library (View| Model Library Model Library (View| Model Library ) )
Stream
Status message
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More Information
Help for Commands for Controlling Simulations
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Lesson Objectives
• Familiar with the interface of Aspen Plus • Learn how to use properties analysis • Learn how to setup a basic process simulation
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Help Setup Components Properties Streams Blocks Data Browser Next
Check Result Stop Reinitialize Step Start Control Panel
Process Flowsheet Windows Process Flowsheet Windows
D2 XWater=0.999 Entrainer recovery column
B2 Entrainer recycle Entrainer makeup
What is Aspen Plus
• Aspen Plus is a market-leading process modeling tool for conceptual design, optimization, and performance monitoring for the chemical, polymer, specialty chemical, metals and minerals, and coal power industries.
(Optional)
1 2 Water xwater=0.99
1.0 0.8 0.6
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yWater
xHAc=0.99 Acetic Acid
Water Acetic Acid Saturated Feed P=1.2atm F=100 kmol/hr zwater=0.5 zHAc=0.5
Reflux ratio ?
Problem Formulation 1: Calculation the mixing properties of two stream
1 2 Mixer
1 Mole Flow kmol/hr WATER BUOH BUAC Total Flow kmol/hr Temperature C Pressure bar Enthalpy kcal/mol Entropy cal/mol-K Density kmol/cum 10 0 0 10 50 1 ? ? ? 2 0 9 6 15 80 1 ? ? ? 3 ? ? ? ? ? 1 ? ? ?
Ref: Aspen Plus® Product Brochure