1 | #*---------------------------------------------- |
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2 | * FlowSheet generated automaticaly by EMSO-GUI |
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3 | *----------------------------------------------*# |
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4 | |
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5 | using "streams.mso"; |
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6 | using "controllers/PIDs.mso"; |
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7 | using "mixers_splitters/splitter.mso"; |
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8 | using "pressure_changers/valve.mso"; |
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9 | using "pressure_changers/pump.mso"; |
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10 | using "controllers/heat_flow.mso"; |
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11 | using "stage_separators/condenser.mso"; |
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12 | using "stage_separators/reboiler.mso"; |
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13 | using "stage_separators/column.mso"; |
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14 | |
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15 | FlowSheet ColumnPacked_Diagram |
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16 | PARAMETERS |
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17 | PP as Plugin(Brief="Physical Properties", |
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18 | Type="PP" |
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19 | ,Components = ["propylene","propane"] |
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20 | ,LiquidModel = ["PR"] |
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21 | ,VapourModel = ["PR"] |
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22 | ); |
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23 | NComp as Integer; |
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24 | SET |
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25 | NComp = PP.NumberOfComponents; |
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26 | |
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27 | DEVICES |
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28 | feed as simple_source; |
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29 | LiquidOut as simple_sink; |
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30 | PIDT_condenser as PID; |
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31 | PIDT_reboiler as PID; |
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32 | PIDL_reboiler as PID; |
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33 | splitter_S1 as splitter_column; |
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34 | Valve_Distillate as valve_flow; |
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35 | distillate_stream as sink; |
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36 | pump_P1 as pump2; |
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37 | Valve_Bottom as valve_flow; |
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38 | PIDL_condenser as PID; |
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39 | heat_condenser as heat_flow; |
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40 | heat_reboiler as heat_flow; |
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41 | vapour_s1 as simple_sink2; |
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42 | condenser_C1 as condenser; |
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43 | reboiler_R1 as reboiler; |
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44 | PackedTower as Packed_Section_Column; |
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45 | |
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46 | CONNECTIONS |
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47 | splitter_S1.Distillate to Valve_Distillate.Inlet; |
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48 | Valve_Distillate.Outlet to distillate_stream.Inlet; |
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49 | splitter_S1.Reflux to pump_P1.Inlet; |
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50 | Valve_Bottom.Outlet to LiquidOut.Inlet; |
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51 | PIDL_reboiler.Output to Valve_Bottom.FlowFraction; |
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52 | PIDL_condenser.Output to Valve_Distillate.FlowFraction; |
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53 | PIDT_condenser.Output to heat_condenser.HeatFlowFraction; |
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54 | PIDT_reboiler.Output to heat_reboiler.HeatFlowFraction; |
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55 | condenser_C1.OutletLiquid to splitter_S1.Inlet; |
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56 | heat_condenser.HeatFlow to condenser_C1.InletQ; |
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57 | condenser_C1.TI to PIDT_condenser.Input; |
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58 | condenser_C1.LI to PIDL_condenser.Input; |
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59 | condenser_C1.OutletVapour to vapour_s1.Inlet; |
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60 | heat_reboiler.HeatFlow to reboiler_R1.InletQ; |
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61 | reboiler_R1.OutletLiquid to Valve_Bottom.Inlet; |
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62 | reboiler_R1.LI to PIDL_reboiler.Input; |
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63 | reboiler_R1.TI to PIDT_reboiler.Input; |
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64 | PackedTower.VapourOutlet to condenser_C1.InletVapour; |
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65 | pump_P1.Outlet to PackedTower.LiquidInlet; |
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66 | feed.Outlet to PackedTower.FeedStage; |
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67 | PackedTower.LiquidOutlet to reboiler_R1.InletLiquid; |
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68 | reboiler_R1.OutletVapour to PackedTower.VapourInlet; |
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69 | |
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70 | SET |
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71 | feed.ValidPhases = "Vapour-Liquid" ; |
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72 | PIDT_condenser.PID_Select = "Ideal_AWBT" ; |
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73 | PIDT_condenser.Action = "Reverse" ; |
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74 | PIDT_condenser.Mode = "Automatic" ; |
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75 | PIDT_condenser.Clip = "Clipped" ; |
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76 | PIDT_condenser.alpha = 0.2 ; |
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77 | PIDT_condenser.beta = 1 ; |
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78 | PIDT_condenser.bias = 0.5 ; |
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79 | PIDT_condenser.derivTime = 10 * 's' ; |
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80 | PIDT_condenser.intTime = 100 * 's' ; |
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81 | PIDT_condenser.gain = 5 ; |
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82 | PIDT_condenser.gamma = 1 ; |
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83 | PIDT_condenser.tau = 1 * 's' ; |
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84 | PIDT_condenser.tauSet = 1 * 's' ; |
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85 | PIDT_condenser.MinInput = 250 ; |
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86 | PIDT_condenser.MaxInput = 380 ; |
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87 | PIDT_condenser.MinOutput = 0 ; |
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88 | PIDT_condenser.MaxOutput = 1 ; |
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89 | PIDT_reboiler.PID_Select = "Ideal_AW" ; |
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90 | PIDT_reboiler.Action = "Reverse" ; |
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91 | PIDT_reboiler.Mode = "Automatic" ; |
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92 | PIDT_reboiler.Clip = "Clipped" ; |
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93 | PIDT_reboiler.alpha = 0.2 ; |
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94 | PIDT_reboiler.beta = 1 ; |
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95 | PIDT_reboiler.bias = 0.2 ; |
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96 | PIDT_reboiler.derivTime = 1 * 's' ; |
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97 | PIDT_reboiler.intTime = 10 * 's' ; |
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98 | PIDT_reboiler.gain = 3 ; |
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99 | PIDT_reboiler.gamma = 1 ; |
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100 | PIDT_reboiler.tau = 1 * 's' ; |
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101 | PIDT_reboiler.tauSet = 1 * 's' ; |
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102 | PIDT_reboiler.MinInput = 200 ; |
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103 | PIDT_reboiler.MaxInput = 400 ; |
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104 | PIDT_reboiler.MinOutput = 0 ; |
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105 | PIDT_reboiler.MaxOutput = 1 ; |
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106 | PIDL_reboiler.PID_Select = "Series_AWBT" ; |
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107 | PIDL_reboiler.Action = "Direct" ; |
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108 | PIDL_reboiler.Mode = "Automatic" ; |
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109 | PIDL_reboiler.Clip = "Clipped" ; |
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110 | PIDL_reboiler.alpha = 1 ; |
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111 | PIDL_reboiler.beta = 1 ; |
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112 | PIDL_reboiler.bias = 0 ; |
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113 | PIDL_reboiler.derivTime = 0 * 's' ; |
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114 | PIDL_reboiler.intTime = 20 * 's' ; |
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115 | PIDL_reboiler.gain = 5 ; |
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116 | PIDL_reboiler.gamma = 1 ; |
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117 | PIDL_reboiler.tau = 1 * 's' ; |
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118 | PIDL_reboiler.tauSet = 1 * 's' ; |
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119 | PIDL_reboiler.MinInput = 0.1 ; |
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120 | PIDL_reboiler.MaxInput = 0.8 ; |
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121 | PIDL_reboiler.MinOutput = 0 ; |
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122 | PIDL_reboiler.MaxOutput = 1 ; |
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123 | Valve_Distillate.MinFlow = 0 * 'kmol/h' ; |
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124 | Valve_Distillate.MaxFlow = 400 * 'kmol/h' ; |
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125 | Valve_Bottom.MinFlow = 0 * 'kmol/h' ; |
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126 | Valve_Bottom.MaxFlow = 6000 * 'kmol/h' ; |
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127 | PIDL_condenser.PID_Select = "Ideal_AW" ; |
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128 | PIDL_condenser.Action = "Direct" ; |
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129 | PIDL_condenser.Mode = "Automatic" ; |
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130 | PIDL_condenser.Clip = "Clipped" ; |
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131 | PIDL_condenser.alpha = 1 ; |
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132 | PIDL_condenser.beta = 1 ; |
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133 | PIDL_condenser.bias = 0 ; |
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134 | PIDL_condenser.derivTime = 0 * 's' ; |
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135 | PIDL_condenser.intTime = 20 * 's' ; |
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136 | PIDL_condenser.gain = 2 ; |
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137 | PIDL_condenser.gamma = 1 ; |
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138 | PIDL_condenser.tau = 1 * 's' ; |
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139 | PIDL_condenser.tauSet = 1 * 's' ; |
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140 | PIDL_condenser.MinInput = 0.1 ; |
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141 | PIDL_condenser.MaxInput = 0.8 ; |
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142 | PIDL_condenser.MinOutput = 0 ; |
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143 | PIDL_condenser.MaxOutput = 1 ; |
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144 | heat_condenser.MinHeatFlow = -20000 * 'kW' ; |
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145 | heat_condenser.MaxHeatFlow = 0 * 'kW' ; |
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146 | heat_reboiler.MinHeatFlow = 0 * 'kW' ; |
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147 | heat_reboiler.MaxHeatFlow = 20000 * 'kW' ; |
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148 | condenser_C1.Kfactor = 7 ; |
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149 | condenser_C1.Levelpercent_Initial = 0.5 ; |
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150 | condenser_C1.Initial_Temperature = 299 * 'K' ; |
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151 | reboiler_R1.Initial_Temperature = 320 * 'K' ; |
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152 | reboiler_R1.Initial_Composition(1) = 0.01 ; |
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153 | reboiler_R1.Initial_Composition(2) = 0.99 ; |
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154 | PackedTower.INITIALIZATION.TopStageTemperature = 308 * 'K' ; |
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155 | PackedTower.INITIALIZATION.BottomStageTemperature = 316 * 'K' ; |
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156 | PackedTower.INITIALIZATION.TopStageComposition(1) = 0.8 ; |
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157 | PackedTower.INITIALIZATION.TopStageComposition(2) = 0.2 ; |
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158 | PackedTower.INITIALIZATION.BottomStageComposition(1) = 0.2 ; |
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159 | PackedTower.INITIALIZATION.BottomStageComposition(2) = 0.8 ; |
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160 | PackedTower.NumberOfStages = 14 ; |
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161 | PackedTower.FeedStageLocation(1) = 9 ; |
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162 | PackedTower.PackingHeight = 22 * 'm' ; |
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163 | PackedTower.HeatSupply = 0 * 'kW' ; |
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164 | PackedTower.ColumnDiameter = 3.6 * 'm' ; |
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165 | PackedTower.VoidFraction = 0.95 ; |
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166 | PackedTower.ResistanceCoeff = 0.0763 ; |
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167 | PackedTower.AreaPerPackingVol = 112 * 'm^2/m^3' ; |
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168 | |
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169 | SPECIFY |
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170 | feed.MolarComposition(1) = 0.4 ; |
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171 | feed.MolarComposition(2) = 0.6 ; |
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172 | feed.F = 612.4 * 'kmol/h' ; |
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173 | feed.T_Cdeg = 50 * 'K' ; |
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174 | feed.P = 2068 * 'kPa' ; |
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175 | PIDT_condenser.SetPoint = (273+34) ; |
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176 | PIDT_reboiler.SetPoint = (45+273) ; |
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177 | PIDL_reboiler.SetPoint = 0.7 ; |
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178 | splitter_S1.RefluxRatio = 20 ; |
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179 | pump_P1.Pincrease = 14 * 'kPa' ; |
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180 | PIDL_condenser.SetPoint = 0.7 ; |
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181 | condenser_C1.OutletVapour.F = 0 * 'kmol/h' ; |
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182 | |
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183 | INITIAL |
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184 | |
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185 | GUESS |
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186 | |
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187 | OPTIONS |
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188 | Dynamic = true; |
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189 | TimeStep = 5; |
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190 | TimeEnd = 200; |
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191 | TimeUnit = 's'; |
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192 | Integration = "original"; |
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193 | NLASolver( |
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194 | File = "sundials", |
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195 | RelativeAccuracy = 1e-3, |
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196 | AbsoluteAccuracy = 1e-6, |
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197 | MaxIterations = 100 |
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198 | ); |
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199 | DAESolver( |
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200 | File = "dassl", |
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201 | RelativeAccuracy = 1e-3, |
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202 | AbsoluteAccuracy = 1e-6, |
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203 | EventAccuracy = 1e-2 |
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204 | ); |
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205 | |
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206 | end |
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