HYSYSExercise3NH3

HYSYSExercise3NH3 - HYSYS Exercise 3 mmonia synthesis...

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Unformatted text preview: HYSYS Exercise 3 mmonia synthesis process with a recycle stream for Aspen HYSYS ver. 2006.5 Flow diagram Reactor Separator Chiller Feed N 2 : 1000 lbmol/h H 2 : 2000 lbmol/h CH 4 : 8 lbmol/h N 2 (g) + 3H 2 (g) 2NH 3 (g) Liquid NH 3 Recycle 95 % Gas purge 5% 400 o C 0 o C (Equilibrium) Compute z flow rate of NH 3 product z heat duty for the reactor Q, z heat duty for chiller Q chiller Heat Q kW Q chiller kW 25 o C Pressure: 125 atm Getting started Double click on the desktop icon to launch HYSYS Click on New Case Simulation Basis Manager will appear. You will specify the components for your simulation here. Click on Add Click on the Match box, and type nitrogen until nitrogen is highlighted. Click Add Pure to add nitrogen in the selected components. Likewise, add hydrogen, ammonia, and methane Now all components are added. Close the window. Now we will define the reaction. Click on the Reactions tab. Click on the Add Rxn button. Highlight Equilibrium and click on Add Reaction button. In the Component pull-down menu, select Nitrogen Likewise, add hydrogen and ammonia In the Stoich Coeff, type -1 for nitrogen N 2 (g) + 3H 2 (g) 2NH 3 (g) Likewise, add -3 and 2 for hydrogen and ammonia. N 2 (g) + 3 H 2 (g) 2 NH 3 (g) Close the window. We will select a fluid package. Click on Fluid Pkgs tab. Click on Add Scroll down to highlight Peng-Robinson Click on the Rxn tab Confirm that the Global Rxn Set is highlighted. Click on Add Set Close the window. The simulation basis is now complete. Now click on Enter Simulation Environment Click on the Mixer icon. Drop the mixer on the flow-sheet area Double click on the mixer to open the dialog box. Click on Inlets, and type Feed Likewise, add Recycle in Inlets Click on the Outlet box, and type S-101...
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HYSYSExercise3NH3 - HYSYS Exercise 3 mmonia synthesis...

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