| 1 | #*------------------------------------------------------------------- |
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| 2 | * EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC. |
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| 3 | * |
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| 4 | * This LIBRARY is free software; you can distribute it and/or modify |
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| 5 | * it under the therms of the ALSOC FREE LICENSE as available at |
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| 6 | * http://www.enq.ufrgs.br/alsoc. |
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| 7 | * |
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| 8 | * EMSO Copyright (C) 2004 - 2007 ALSOC, original code |
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| 9 | * from http://www.rps.eng.br Copyright (C) 2002-2004. |
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| 10 | * All rights reserved. |
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| 11 | * |
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| 12 | * EMSO is distributed under the therms of the ALSOC LICENSE as |
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| 13 | * available at http://www.enq.ufrgs.br/alsoc. |
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| 14 | * |
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| 15 | *-------------------------------------------------------------------- |
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| 16 | * Sample file for model cstr |
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| 17 | *-------------------------------------------------------------------- |
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| 18 | * |
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| 19 | * This sample file needs VRTherm (www.vrtech.com.br) to run. |
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| 20 | * |
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| 21 | *---------------------------------------------------------------------- |
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| 22 | * Author: Paula B. Staudt |
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| 23 | * $Id: sample_cstr.mso 585 2008-07-28 23:31:29Z bicca $ |
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| 24 | *--------------------------------------------------------------------*# |
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| 25 | |
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| 26 | using "reactors/cstr"; |
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| 27 | |
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| 28 | FlowSheet cstr_PropyleneGlycol |
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| 29 | |
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| 30 | PARAMETERS |
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| 31 | PP as Plugin(Brief="Physical Properties", |
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| 32 | Type = "PP", |
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| 33 | Components = ["1,2-propylene oxide", "methanol","water","1,2-propylene glycol" ], |
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| 34 | LiquidModel = "PR", |
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| 35 | VapourModel = "PR" |
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| 36 | ); |
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| 37 | NComp as Integer; |
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| 38 | R as Real (Default=8.3145, Unit='J/mol/K'); |
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| 39 | |
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| 40 | DEVICES |
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| 41 | s1 as source; |
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| 42 | Reac as cstr; |
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| 43 | |
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| 44 | SET |
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| 45 | NComp = PP.NumberOfComponents; |
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| 46 | Reac.NReac = 1; |
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| 47 | Reac.stoic = [-1, 0, -1, 1]; |
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| 48 | |
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| 49 | s1.ValidPhases = "Vapour-Liquid"; |
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| 50 | s1.CompositionBasis = "Molar"; |
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| 51 | |
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| 52 | EQUATIONS |
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| 53 | |
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| 54 | Reac.Hr = -36400 * 'Btu/lbmol' - 7 * 'Btu/lbmol/degR' * (Reac.Outlet.T - 528 * 'degR'); |
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| 55 | Reac.r = 16.96e12 / 'h' * exp(- 32400 * 'Btu/lbmol'/R/Reac.Outlet.T) |
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| 56 | * Reac.C(1); |
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| 57 | |
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| 58 | SPECIFY |
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| 59 | s1.F = 52126 * 'mol/h'; |
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| 60 | s1.P = 1 * 'atm'; |
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| 61 | s1.T = 534.67* 'degR'; |
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| 62 | s1.Composition = [0.0468, 0.0783, 0.8749, 0]; |
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| 63 | |
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| 64 | Reac.Vr = 300 * 'gal'; |
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| 65 | Reac.Outlet.F = Reac.Inlet.F; |
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| 66 | |
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| 67 | Reac.q = 0 * 'J/s'; |
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| 68 | Reac.Outlet.P = 1 * 'atm'; |
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| 69 | |
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| 70 | CONNECTIONS |
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| 71 | |
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| 72 | s1.Outlet to Reac.Inlet; |
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| 73 | |
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| 74 | INITIAL |
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| 75 | |
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| 76 | Reac.Outlet.T = 533 * 'degR'; |
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| 77 | Reac.M = 100 * 'kmol'; |
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| 78 | Reac.Outlet.z(1:3) = [0.0468, 0.0783, 0.874]; |
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| 79 | |
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| 80 | OPTIONS |
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| 81 | TimeStep = 0.1; |
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| 82 | TimeEnd = 5; |
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| 83 | |
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| 84 | end |
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