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package Benzene_Toluene_Distillation
model Material_Streams
// //instantiation of chemsep database
import data = Simulator.Files.Chemsep_Database;
//instantiation of ethanol
parameter data.Methanol meth;
//instantiation of Acetic acid
parameter data.Water wat;
extends Simulator.Streams.Material_Stream(NOC = 2, comp = {meth, wat}, totMolFlo(each start = 1), compMolFrac(each start = 0.33), T(start = sum(comp.Tb) / NOC));
//material stream extended in which parameter NOC and comp are given values and other variables are given start values
extends Simulator.Files.Thermodynamic_Packages.Raoults_Law;
//thermodynamic package Raoults law is extended
end Material_Streams;
//Flowsheet: Methanol-Water Distillation
//Thermodynamic-Package:Raoults Law
model Flowsheet_Two
import data = Simulator.Files.Chemsep_Database;
//instantiation of Benzene
parameter data.Benzene ben;
//instantiation of Toluene
parameter data.Toluene tol;
//Number of Components
parameter Integer NOC = 2;
parameter data.General_Properties comp[NOC] = {ben, tol};
Benzene_Toluene_Distillation.Material_Streams Input(NOC = NOC, comp = comp) annotation(
Placement(visible = true, transformation(origin = {-110, 36}, extent = {{-6, -6}, {6, 6}}, rotation = 0)));
Benzene_Toluene_Distillation.Material_Streams Preheated_Feed(NOC = NOC, comp = comp, T(start = 353), compMolFrac(each start = 0.333), P(start = 101325)) annotation(
Placement(visible = true, transformation(origin = {-22, 36}, extent = {{-6, -6}, {6, 6}}, rotation = 0)));
Benzene_Toluene_Distillation.rigDist.DistColumn DC(NOC = NOC, comp = comp, noOfStages = 24, feedStages = {11}, each tray.liqMolFlo(each start = 100), each tray.vapMolFlo(each start = 150), each tray.T(start = 366)) annotation(
Placement(visible = true, transformation(origin = {20, 36}, extent = {{-24, -24}, {24, 24}}, rotation = 0)));
Benzene_Toluene_Distillation.Material_Streams Distillate(NOC = NOC, comp = comp) annotation(
Placement(visible = true, transformation(origin = {56, 54}, extent = {{-6, -6}, {6, 6}}, rotation = 0)));
Benzene_Toluene_Distillation.Material_Streams Bottoms(NOC = NOC, comp = comp, compMolFrac(each start = 0.5)) annotation(
Placement(visible = true, transformation(origin = {63, 19}, extent = {{-7, -7}, {7, 7}}, rotation = 0)));
Simulator.Streams.Energy_Stream C_Duty annotation(
Placement(visible = true, transformation(origin = {52, 72}, extent = {{-6, -6}, {6, 6}}, rotation = 0)));
Simulator.Streams.Energy_Stream R_duty annotation(
Placement(visible = true, transformation(origin = {58, -4}, extent = {{-6, -6}, {6, 6}}, rotation = 0)));
Benzene_Toluene_Distillation.Material_Streams Outlet(NOC = NOC, comp = comp) annotation(
Placement(visible = true, transformation(origin = {-23, 79}, extent = {{-7, -7}, {7, 7}}, rotation = 0)));
Simulator.Unit_Operations.Rigorous_HX rigorous_HX1(NOC=NOC,comp=comp,deltap_hot=0,deltap_cold=0,Heat_Loss=0,Calculation_Method="Outlet_Temparatures") annotation(
Placement(visible = true, transformation(origin = {-66, 56}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
equation
connect(rigorous_HX1.Hot_In, Bottoms.outlet) annotation(
Line(points = {{-74, 60}, {-124, 60}, {-124, -20}, {82, -20}, {82, 18}, {70, 18}, {70, 20}}));
connect(DC.reboiler_duty, R_duty.inlet) annotation(
Line(points = {{37, 12}, {52, 12}, {52, -4}}));
connect(rigorous_HX1.Hot_Out, Outlet.inlet) annotation(
Line(points = {{-58, 60}, {-46, 60}, {-46, 80}, {-30, 80}, {-30, 80}}));
connect(rigorous_HX1.Cold_Out, Preheated_Feed.inlet) annotation(
Line(points = {{-58, 54}, {-48, 54}, {-48, 36}, {-28, 36}, {-28, 36}, {-28, 36}}));
connect(rigorous_HX1.Cold_In, Input.outlet) annotation(
Line(points = {{-74, 54}, {-88, 54}, {-88, 36}, {-104, 36}, {-104, 36}}));
connect(DC.bottoms, Bottoms.inlet) annotation(
Line(points = {{44, 19}, {56, 19}}));
connect(DC.distillate, Distillate.inlet) annotation(
Line(points = {{44, 53}, {49, 53}, {49, 54}, {50, 54}}));
connect(C_Duty.inlet, DC.condensor_duty) annotation(
Line(points = {{46, 72}, {46, 57.5}, {34, 57.5}, {34, 59}}));
connect(Preheated_Feed.outlet, DC.feed[1]) annotation(
Line(points = {{-16, 36}, {-16, 34.5}, {-4, 34.5}, {-4, 35}}));
equation
//Design-Variables-
//Inlet mixture molar composition
Input.compMolFrac[1, :] = {0.5, 0.5};
Input.T = 298.15;
Input.totMolFlo[1] = 27.78;
//Input pressure
Input.P = 101325;
////heat exchenger data
rigorous_HX1.U=1000;
rigorous_HX1.Qactual=64017.165375;
//Distillation Column
DC.condensor.P = 101325;
DC.reboiler.P = 101325;
//Reflux Ratio
DC.refluxRatio = 10;
//Bottoms product molar flow rate
Bottoms.totMolFlo[1] = 12.5;
end Flowsheet_Two;
//===============================================================================================
package rigDist
model Condensor
extends Simulator.Unit_Operations.Distillation_Column.Cond;
extends Simulator.Files.Thermodynamic_Packages.Raoults_Law;
end Condensor;
model Tray
extends Simulator.Unit_Operations.Distillation_Column.DistTray;
extends Simulator.Files.Thermodynamic_Packages.Raoults_Law;
end Tray;
model Reboiler
extends Simulator.Unit_Operations.Distillation_Column.Reb;
extends Simulator.Files.Thermodynamic_Packages.Raoults_Law;
end Reboiler;
model DistColumn
extends Simulator.Unit_Operations.Distillation_Column.DistCol;
Condensor condensor(NOC = NOC, comp = comp, condType = condType, boolFeed = boolFeed[1], T(start = 300));
Reboiler reboiler(NOC = NOC, comp = comp, boolFeed = boolFeed[noOfStages]);
Tray tray[noOfStages - 2](each NOC = NOC, each comp = comp, boolFeed = boolFeed[2:noOfStages -1], each liqMolFlo(each start = 150), each vapMolFlo(each start = 150));
end DistColumn;
end rigDist;
end Benzene_Toluene_Distillation;
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