Flash Distillation Material Balance
This calculation determines the product flow rates and compositions for a binary mixture undergoing single-stage flash distillation, based on feed conditions, vaporization fraction, and relative volatility.
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1. Define Input Parameters
2. Engineering Output
Vapor flow rate (V)
- kmol/h
- kmol/h
Liquid flow rate (L)
- kmol/h
- kmol/h
Alpha minus 1 (A)
- dimensionless
- dimensionless
Quadratic coefficient a (a_coeff)
- dimensionless
- dimensionless
Quadratic coefficient b (b_coeff)
- dimensionless
- dimensionless
Quadratic coefficient c (c_coeff)
- dimensionless
- dimensionless
Discriminant (Delta)
- dimensionless
- dimensionless
Liquid mole fraction of benzene (xB)
- dimensionless
- dimensionless
Vapor mole fraction of benzene (yB)
- dimensionless
- dimensionless
Liquid mole fraction of toluene (xT)
- dimensionless
- dimensionless
Vapor mole fraction of toluene (yT)
- dimensionless
- dimensionless
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Download Offline Excel CalculationContext & Assumptions
Flash distillation is a core process engineering operation for separating multi-component mixtures into vapor and liquid phases by reducing pressure or increasing temperature. This calculation is essential for designing separation equipment, sizing downstream piping, and determining thermal duties in various industrial applications like oil and gas processing and chemical manufacturing.
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