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McCabe-Thiele Calculator
Binary distillation column design using graphical McCabe-Thiele method
McCabe-Thiele Diagram
Equilibrium curve (VLE)
Operating lines (rectifying & stripping)
q-line (feed condition)
Example Presets
Vapor-Liquid Equilibrium
Relative Volatility (α)?
Feed Conditions
Feed Composition (zF)?
Feed Quality (q)?
1.00
saturated liquid
Feed Flow Rate (mol/h)
Column Specifications
Distillate (xD)?
Bottoms (xB)?
Reflux Ratio (R = L/D)?
Rmin = 1.100
11
Total Stages
5
Feed Stage
1.100
Rmin
1.818
R / Rmin
Flow Rates (mol/h)
| Stream | Flow | Composition |
|---|---|---|
| Feed (F) | 100.0 | 0.500 |
| Distillate (D) | 50.0 | 0.950 |
| Bottoms (B) | 50.0 | 0.050 |
Internal Flows (mol/h)
| Section | Liquid | Vapor |
|---|---|---|
| Rectifying | L = 100.0 | V = 150.0 |
| Stripping | L̄ = 200.0 | V̄ = 150.0 |