1 / 17

Dynamic Tray Model for Separation Processes in Mosaic System

Explore the definition of system boundaries, equations, and variables in a dynamic tray model for separation processes using Mosaic system. This model includes mass, energy, component, and momentum balances, as well as auxiliary equations for phase equilibrium.

jin
Télécharger la présentation

Dynamic Tray Model for Separation Processes in Mosaic System

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Separation column in MOSAIC

  2. Definition of the system boundaries Lj-1 Xi,j-1 Lj-2 Yi,j Vj Vj-1 j-1 hj-1L j hjV Tj ; pj Vaporphase Liquidphase Vj Lj-1 j Vaporphase hjF Fj Vaporphase Interficial Area Feed Liquidphase Liquidphase Z(Y or X)i,j Lj j+1 Vj+1 Lj Vaporphase hjL Vj+1 hj+1V Xi,j Liquidphase Yi,j+1 . . . Lj+1 Vj+2 Distillate Qj Feed One Tray: Qj Bottom product

  3. Definition of the system boundaries Lj+1 Xi,j+1 Lj+2 Yi,j Vj Vj+1 j+1 hj+1L j hjV Tj ; pj Vaporphase Liquidphase Vj Lj+1 j Vaporphase hjF Fj Vaporphase Interficial Area Feed Liquidphase Liquidphase Z(Y or X)i,j Lj j-1 Vj-1 Lj Vaporphase hjL Vj-1 hj-1V Xi,j Yi,j-1 Liquidphase . . . Lj-1 Vj-2 Distillate Qj Feed One Tray: Qj Bottom product

  4. Equation system of a tray 1. Mass balance 2. Energy balance 3. Component balance 4. Momentum balance? 5. Auxiliary equations(e.g. Phase equilibrium) yj,i Lj+1 xj+1,i Vj pj+1 Tray j: hj+1L Tj+1 hjV Fj hFj Qj Tj pj HUj xFi,j Connector: V=G F=Feed In MOSAIC not theposition of Indices areimportentonly thename Vj-1 hjL Tj-1 Lj yj-1,i xj,i pj-1 hj-1V

  5. Steady State Tray Model

  6. Literature: Component Material balance 0 = Lj+1 + Gj-1 - Lj - Gj 0 = Lj+1 xLj+1,i + Gj-1 xVj-1,i - LjxLj,i - GjxVj,i + FjxF,j,i 0 = Lj+1 hLj+1,i + Gj-1 hVj-1,i - LjhLj,i - GjhVj,i + FjhF,j,i ∑ x j,i -1 = 0 ∑ y j,i -1 = 0 y j,i= Kj,ixj,i

  7. Generic equation system in MOSAIC Superscript m mass Superscript n mol

  8. Definition of the indices

  9. Instantiated equation system 10 generic equations 2 components 10 trays -> 130 Equations After instantiaton

  10. Specification of the variables

  11. Code export C++ Matlab gPROMS

  12. Dynamic Tray model

  13. Generic equation system

  14. Definition of the indices

  15. 29 generic equations 2 components 10 trays -> 323 Equations

  16. Variable definition Time horizon

  17. Code generation C++ Matlab

More Related