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Separation Technology TKP 4105

Separation Technology TKP 4105. Diffusion (binary): Fick’s law Distillation (binary): Both components A and B are volatile. Absorption (ternary): Gas component A diluted in an inert carrier gas C contacted with liquid B (which maybe volatile).

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Separation Technology TKP 4105

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  1. Separation Technology TKP 4105 • Diffusion (binary): Fick’s law • Distillation (binary): Both components A and B are volatile. • Absorption (ternary): Gas component A diluted in an inert carrier gas C contacted with liquid B (which maybe volatile). • Extraction (ternary): Three mutually soluble components.

  2. So, what’s all about? • Mass balances, mass balances, mass ... • Units, units, units ... • Distillation (constant pressure): Difference in volatility caused by changes in T. • Absorption (constant T and P): Driving force is partial pressure. • Extraction(constant T and P): Driving force is liquid mole fraction.

  3. Mass transfer (Chapter 6 and 7) • Stationary flux (Eqs. 6.2-14,15) • Stefan tube (Eq. 6.2-20) • Equimolar diffusion (Eq. 6.2-5) • Varying cross-sectional area (Eq. 6.2-32) • Chapman-Enskog relation (Eq. 6.2-44) • Unsteady state diffusion (Eq. 7.1-7)

  4. Absorption (Chapter 10) • Countercurrent stages (Eq. 10.3-13) • Kremser equations (Eqs. 10.3-22,25) • Packed towers (Eq. 10.6-4 and Fig. 11.6-7)

  5. Distillation (Chapter 11) • Phase diagrams (Figs. 11.1-1,2,3) • Flash distillation (Eq. 11.3-10) • Distillation with reflux (Eqs. 11.4-3,4) • McCabe-Thiele method (Eqs. 11.4-8,11,19 and Fig. 11.4-8) • Total & minimum reflux (Figs. 11.4-10,11)

  6. Extraction (Chapter 12) • Phase diagrams (Figs. 11.5-1,2,3,4) • Single stage operation (Eqs. 12.5-7,8,9) • Countercurrent operation (Eqs. 12.7-3,4,10 and Figs. 12.7-4,5)

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