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Separation column in MOSAIC

Separation column in MOSAIC. Definition of the system boundaries. L j-1. X i,j-1. L j-2. Y i,j. V j. V j-1. j-1. h j-1 L. j. h j V. T j ; p j. Vaporphase. Liquidphase. V j. L j-1. j. Vaporphase. h j F. F j. Vaporphase. Interficial Area. Feed. Liquidphase. Liquidphase.

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Separation column in MOSAIC

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  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

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