An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is ?

Related Mcqs:

The cooling effect in a cooling tower can be speeded up by _______________________?

A. Increasing the air velocity and area of exposed wet surface B. Reducing the barometric pressure C. Reducing the humidity of the air D. All A., B. and C....

Molecular sieves are regenerated by heating to ______________ °C?

A. < 150 B. 200-330 C. > 500 D. > 1000...

For water-ethanol system, the minimum reflux ratio_____________________?

A. Is computed from the slope of the upper operating line that is tangent to the equilibrium curve B. Is computed from the intercept of the operating line C. Cannot be computed D. Is the optimum reflux ratio...

At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes_____________________?

A. 1 B. 0 C. ∞ D. None of these...

Alcohol is dehydrated using _______________________ distillation?

A. Extractive B. Azeotropic C. Steam D. Molecular...