Question

In the absorption of a solute by water from a dilute gas stream in air using a tray tower, if the equilibrium equation is y=0.85x, determine the absorption factor. The overall mass transfer coefficient of the gas phase is equal to 0.045.

Answer 1

To determine the absorption factor, use the equilibrium equation and the overall mass transfer coefficient of the gas phase. Substitute the given values into the absorption factor equation to find the absorption factor.

Step-by-step explanation:

The absorption factor can be determined by using the equilibrium equation and the overall mass transfer coefficient of the gas phase.

The equilibrium equation given is y = 0.85x, where y is the concentration of the solute in the liquid phase (water) and x is the concentration of the solute in the gas phase.

The absorption factor (A) can be calculated using the equation A = (Kg * x) / (Kl * y), where Kg is the overall mass transfer coefficient of the gas phase and Kl is the overall mass transfer coefficient of the liquid phase.

In this case, the given overall mass transfer coefficient of the gas phase (Kg) is 0.045. Substitute this value and the equilibrium equation into the absorption factor equation to find the absorption factor.

A = (0.045 * x) / (0.85 * y)