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Aspen 2013 InputLanguageGuide

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  Input Language Guide Aspen Plus  Version Number: V8.4November 2013 Copyright (c) 1981-2013 by Aspen Technology, Inc. All rights reserved.Aspen Plus®, BatchSep ™ , Aspen Batch Distillation ™ , Aspen Shell & Tube Exchanger ™ , Shell&Tube ™ , Aspen AirCooled Exchanger ™ , AirCooled ™ , Aspen Plate Exchanger ™ , Plate ™ , EDR ™ , aspenONE, the aspen leaf logo andPlantelligence and Enterprise Optimization are trademarks or registered trademarks of Aspen Technology, Inc.,Burlington, MA.All other brand and product names are trademarks or registered trademarks of their respective companies.This software includes NIST Standard Reference Database 103b: NIST Thermodata Engine Version 7.1This document is intended as a guide to using AspenTech's software. This documentation contains AspenTechproprietary and confidential information and may not be disclosed, used, or copied without the prior consent of AspenTech or as set forth in the applicable license agreement. Users are solely responsible for the proper use of the software and the application of the results obtained.Although AspenTech has tested the software and reviewed the documentation, the sole warranty for the softwaremay be found in the applicable license agreement between AspenTech and the user. ASPENTECH MAKES NOWARRANTY OR REPRESENTATION, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THIS DOCUMENTATION,ITS QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.Aspen Technology, Inc.200 Wheeler RoadBurlington, MA 01803-5501USAPhone: (1) (781) 221-6400Toll Free: (1) (888) 996-7100URL: http://www.aspentech.com  Contents iii Contents Who Should Read this Guide ...................................................................................1Introducing the Input Language Guide ...................................................................3 Related Documentation.....................................................................................3Technical Support ............................................................................................4 1 Aspen Plus Input Language.................................................................................5 Input Language Elements..................................................................................6Paragraphs............................................................................................6Sentences.............................................................................................6Data Entry.............................................................................................6Rules for Using Aspen Plus Input Language .........................................................7Rules for Writing an Aspen Plus Input File ...........................................................8 2 Running Aspen Plus.............................................................................................9 The ASPEN Run Command...............................................................................10Choosing the Simulation Environment...............................................................10Working in the Interactive Environment ............................................................10Interactive Commands..........................................................................11Simulation Results................................................................................18 3 Units..................................................................................................................21 Specifying Units.............................................................................................22Label Definitions ..................................................................................28Rules for Entering Units ........................................................................30Custom Units of Measure ................................................................................31Custom Currency Symbols ..............................................................................31 4 Components......................................................................................................33 Conventional Components...............................................................................34Nonconventional Components..........................................................................35Hypothetical Liquid Component........................................................................35Component Attributes.....................................................................................36Component Groups.........................................................................................36Component Lists ............................................................................................36 5 Chemistry and Electrolytes................................................................................39 Solution Chemistry.........................................................................................40Pitzer Ternary Parameters...............................................................................43Accessing Variables in CHEMISTRY...................................................................43Block Input..........................................................................................43  iv Contents 6 Reactions ..........................................................................................................45 Defining Reactions for Distillation Models ..........................................................46Defining Power-Law and Equilibrium Reactions for Reactors and Pressure Relief Systems........................................................................................................51Defining LHHW Reactions for Reactors and Pressure Relief Systems .....................54Note...................................................................................................59Defining User-Kinetic and Equilibrium Reactions for Reactors, Distillation Models, andPressure Relief Systems..................................................................................60Defining General Reactions..............................................................................63Defining ACM User Reactions...........................................................................69Accessing Variables in REACTIONS...................................................................73 7 Petroleum Assays and Pseudocomponents........................................................75 Specifying Assay Analysis Options....................................................................76Entering Assay Data for Petroleum Streams.......................................................77Defining a New Petroleum Property ..................................................................81Blending Assays.............................................................................................81Generating Pseudocomponents from Assays and Blends......................................82Defining Individual Pseudocomponents .............................................................84Defining and Modifying Pseudocomponent Property Correlation Option Sets...........85Entering Properties for Pseudocomponents........................................................87Entering Petroleum Properties for Light End Components ....................................88 8 Properties .........................................................................................................89 Physical Property Methods...............................................................................90Specifying Property Option Sets.............................................................90Modifying Option Sets...........................................................................92Using Special Property Models ...............................................................95Physical Property Data....................................................................................97Databanks...........................................................................................97Entering Physical Property Data ...........................................................100Tabular and Polynomial Models and Data...............................................102UNIFAC.............................................................................................108Property Parameter Estimation ......................................................................110Specifying Parameters to be Estimated .................................................110Defining Molecular Structure................................................................111Entering Experimental Data.................................................................113Report Options...................................................................................114Defining User Property Parameters.......................................................115CAPE-OPEN Property Packages.......................................................................116 9 Flowsheet and Hierarchy.................................................................................117 FLOWSHEET Paragraph.................................................................................118HIERARCHY Paragraph..................................................................................119Hierarchical Input Language................................................................120Hierarchical Input Paragraphs..............................................................122 10 Streams..........................................................................................................123 Specifying Conventional Material Streams .......................................................124Defining General Material Stream Classes........................................................125
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