What is multicomponent distillation column?

Multicomponent distillation is a chemical process in which a mixture of volatile compounds separates based on their boiling points. The process occurs in a distillation column, a vertical stacking of trays or stages upon which components in their liquid and vapor phases coexist.

How do you model a distillation column?

ODE Modeling of a Distillation Column

1. Step 1) Write component material balance for each stage in the column.
2. Step 2) Write total material balances around condenser and reboiler.
3. Step 3) Define all flow rates.
4. Step 4) Define equilibrium conditions.
5. Step 5) Write component energy balances for each stage.

How are distillation columns made?

The distillation column is made up of a series of stacked plates. A liquid feed containing the mixture of two or more liquids enters the column at one or more points. The liquid flows over the plates, and vapor bubbles up through the liquid via holes in the plates. In essence, the hot mixture is pumped into the bottom.

What is petlyuk distillation column?

This design consists of an ordinary column shell with the feed and sidestream product draw divided by a vertical wall through a set of trays. One reason is probably that the Petlyuk column, compared to an ordinary distillation column, has many more degrees of freedom in both op- eration and design.

What assumption is in the modeling binary distillation column?

In order to design the distillation column model, the following assumptions are considered [16]: total condenser, no heating losses in the body column, constant pressure in the body column, liquid and vapour phases in thermodynamic equilibrium in each plate, variable relativity volatility according to the component …

What material are distillation columns made of?

Distillation Column Materials include: Titanium. Titanium clad Steel. Zirconium.

Does Fenske equation include reboiler?

The Fenske equation applies to distillation systems with constant relative volatility. Note that the form of the Fenske equation shown calculates the minimum number of plates; it does not include the reboiler (hence the -1 on the right hand side).